commit: 87583f9e386eb687f2ebb5dcd54ebeee1a152485 Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Wed Mar 13 22:04:52 2019 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Wed Mar 13 22:04:52 2019 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=87583f9e
proj/linux-patches: Linux patch 4.9.163 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1162_linux-4.9.163.patch | 3813 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 3817 insertions(+) diff --git a/0000_README b/0000_README index 44fb51a..6d74c9a 100644 --- a/0000_README +++ b/0000_README @@ -691,6 +691,10 @@ Patch: 1161_linux-4.9.162.patch From: http://www.kernel.org Desc: Linux 4.9.162 +Patch: 1162_linux-4.9.163.patch +From: http://www.kernel.org +Desc: Linux 4.9.163 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1162_linux-4.9.163.patch b/1162_linux-4.9.163.patch new file mode 100644 index 0000000..f992152 --- /dev/null +++ b/1162_linux-4.9.163.patch @@ -0,0 +1,3813 @@ +diff --git a/Makefile b/Makefile +index fce163d09139..8a5330e279ad 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 9 +-SUBLEVEL = 162 ++SUBLEVEL = 163 + EXTRAVERSION = + NAME = Roaring Lionus + +diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi +index 2a531beef4c7..51dbd8cb91cb 100644 +--- a/arch/arm/boot/dts/exynos3250.dtsi ++++ b/arch/arm/boot/dts/exynos3250.dtsi +@@ -170,6 +170,9 @@ + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; ++ clock-names = "clkout8"; ++ clocks = <&cmu CLK_FIN_PLL>; ++ #clock-cells = <1>; + }; + + mipi_phy: video-phy { +diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +index 5282d69e55bd..2d83cbf672b2 100644 +--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi ++++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +@@ -70,7 +70,7 @@ + }; + + emmc_pwrseq: pwrseq { +- pinctrl-0 = <&sd1_cd>; ++ pinctrl-0 = <&emmc_rstn>; + pinctrl-names = "default"; + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpk1 2 GPIO_ACTIVE_LOW>; +@@ -161,12 +161,6 @@ + cpu0-supply = <&buck2_reg>; + }; + +-/* RSTN signal for eMMC */ +-&sd1_cd { +- samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; +- samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; +-}; +- + &pinctrl_1 { + gpio_power_key: power_key { + samsung,pins = "gpx1-3"; +@@ -184,6 +178,11 @@ + samsung,pins = "gpx3-7"; + samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; + }; ++ ++ emmc_rstn: emmc-rstn { ++ samsung,pins = "gpk1-2"; ++ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; ++ }; + }; + + &ehci { +diff --git a/arch/arm/boot/dts/exynos5420-tmu-sensor-conf.dtsi b/arch/arm/boot/dts/exynos5420-tmu-sensor-conf.dtsi +new file mode 100644 +index 000000000000..c8771c660550 +--- /dev/null ++++ b/arch/arm/boot/dts/exynos5420-tmu-sensor-conf.dtsi +@@ -0,0 +1,25 @@ ++/* ++ * Device tree sources for Exynos5420 TMU sensor configuration ++ * ++ * Copyright (c) 2014 Lukasz Majewski <l.majew...@samsung.com> ++ * Copyright (c) 2017 Krzysztof Kozlowski <k...@kernel.org> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ */ ++ ++#include <dt-bindings/thermal/thermal_exynos.h> ++ ++#thermal-sensor-cells = <0>; ++samsung,tmu_gain = <8>; ++samsung,tmu_reference_voltage = <16>; ++samsung,tmu_noise_cancel_mode = <4>; ++samsung,tmu_efuse_value = <55>; ++samsung,tmu_min_efuse_value = <0>; ++samsung,tmu_max_efuse_value = <100>; ++samsung,tmu_first_point_trim = <25>; ++samsung,tmu_second_point_trim = <85>; ++samsung,tmu_default_temp_offset = <50>; ++samsung,tmu_cal_type = <TYPE_ONE_POINT_TRIMMING>; +diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi +index 00c4cfa54839..52f3d911f67f 100644 +--- a/arch/arm/boot/dts/exynos5420.dtsi ++++ b/arch/arm/boot/dts/exynos5420.dtsi +@@ -694,7 +694,7 @@ + interrupts = <0 65 0>; + clocks = <&clock CLK_TMU>; + clock-names = "tmu_apbif"; +- #include "exynos4412-tmu-sensor-conf.dtsi" ++ #include "exynos5420-tmu-sensor-conf.dtsi" + }; + + tmu_cpu1: tmu@10064000 { +@@ -703,7 +703,7 @@ + interrupts = <0 183 0>; + clocks = <&clock CLK_TMU>; + clock-names = "tmu_apbif"; +- #include "exynos4412-tmu-sensor-conf.dtsi" ++ #include "exynos5420-tmu-sensor-conf.dtsi" + }; + + tmu_cpu2: tmu@10068000 { +@@ -712,7 +712,7 @@ + interrupts = <0 184 0>; + clocks = <&clock CLK_TMU>, <&clock CLK_TMU>; + clock-names = "tmu_apbif", "tmu_triminfo_apbif"; +- #include "exynos4412-tmu-sensor-conf.dtsi" ++ #include "exynos5420-tmu-sensor-conf.dtsi" + }; + + tmu_cpu3: tmu@1006c000 { +@@ -721,7 +721,7 @@ + interrupts = <0 185 0>; + clocks = <&clock CLK_TMU>, <&clock CLK_TMU_GPU>; + clock-names = "tmu_apbif", "tmu_triminfo_apbif"; +- #include "exynos4412-tmu-sensor-conf.dtsi" ++ #include "exynos5420-tmu-sensor-conf.dtsi" + }; + + tmu_gpu: tmu@100a0000 { +@@ -730,7 +730,7 @@ + interrupts = <0 215 0>; + clocks = <&clock CLK_TMU_GPU>, <&clock CLK_TMU>; + clock-names = "tmu_apbif", "tmu_triminfo_apbif"; +- #include "exynos4412-tmu-sensor-conf.dtsi" ++ #include "exynos5420-tmu-sensor-conf.dtsi" + }; + + sysmmu_g2dr: sysmmu@0x10A60000 { +diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S +index 56be67ecf0fa..d69adfb3d79e 100644 +--- a/arch/arm/kernel/entry-common.S ++++ b/arch/arm/kernel/entry-common.S +@@ -32,6 +32,7 @@ + * features make this path too inefficient. + */ + ret_fast_syscall: ++__ret_fast_syscall: + UNWIND(.fnstart ) + UNWIND(.cantunwind ) + disable_irq_notrace @ disable interrupts +@@ -57,6 +58,7 @@ fast_work_pending: + * r0 first to avoid needing to save registers around each C function call. + */ + ret_fast_syscall: ++__ret_fast_syscall: + UNWIND(.fnstart ) + UNWIND(.cantunwind ) + str r0, [sp, #S_R0 + S_OFF]! @ save returned r0 +@@ -223,7 +225,7 @@ local_restart: + tst r10, #_TIF_SYSCALL_WORK @ are we tracing syscalls? + bne __sys_trace + +- invoke_syscall tbl, scno, r10, ret_fast_syscall ++ invoke_syscall tbl, scno, r10, __ret_fast_syscall + + add r1, sp, #S_OFF + 2: cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE) +diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c +index ba13f793fbce..b92673efffff 100644 +--- a/arch/arm/plat-pxa/ssp.c ++++ b/arch/arm/plat-pxa/ssp.c +@@ -237,8 +237,6 @@ static int pxa_ssp_remove(struct platform_device *pdev) + if (ssp == NULL) + return -ENODEV; + +- iounmap(ssp->mmio_base); +- + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, resource_size(res)); + +@@ -248,7 +246,6 @@ static int pxa_ssp_remove(struct platform_device *pdev) + list_del(&ssp->node); + mutex_unlock(&ssp_lock); + +- kfree(ssp); + return 0; + } + +diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi +index 2c93de7fffe5..bdea2d6fde94 100644 +--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi ++++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi +@@ -219,7 +219,7 @@ + compatible = "simple-bus"; + + intc: interrupt-controller@9bc0000 { +- compatible = "arm,gic-v3"; ++ compatible = "qcom,msm8996-gic-v3", "arm,gic-v3"; + #interrupt-cells = <3>; + interrupt-controller; + #redistributor-regions = <1>; +diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c +index 30bcae0aef2a..d2b1b624ddc3 100644 +--- a/arch/arm64/kernel/probes/kprobes.c ++++ b/arch/arm64/kernel/probes/kprobes.c +@@ -546,13 +546,13 @@ bool arch_within_kprobe_blacklist(unsigned long addr) + addr < (unsigned long)__entry_text_end) || + (addr >= (unsigned long)__idmap_text_start && + addr < (unsigned long)__idmap_text_end) || ++ (addr >= (unsigned long)__hyp_text_start && ++ addr < (unsigned long)__hyp_text_end) || + !!search_exception_tables(addr)) + return true; + + if (!is_kernel_in_hyp_mode()) { +- if ((addr >= (unsigned long)__hyp_text_start && +- addr < (unsigned long)__hyp_text_end) || +- (addr >= (unsigned long)__hyp_idmap_text_start && ++ if ((addr >= (unsigned long)__hyp_idmap_text_start && + addr < (unsigned long)__hyp_idmap_text_end)) + return true; + } +diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c +index 2b0a371b42af..24444ed456c8 100644 +--- a/arch/mips/kernel/irq.c ++++ b/arch/mips/kernel/irq.c +@@ -52,6 +52,7 @@ asmlinkage void spurious_interrupt(void) + void __init init_IRQ(void) + { + int i; ++ unsigned int order = get_order(IRQ_STACK_SIZE); + + for (i = 0; i < NR_IRQS; i++) + irq_set_noprobe(i); +@@ -62,8 +63,7 @@ void __init init_IRQ(void) + arch_init_irq(); + + for_each_possible_cpu(i) { +- int irq_pages = IRQ_STACK_SIZE / PAGE_SIZE; +- void *s = (void *)__get_free_pages(GFP_KERNEL, irq_pages); ++ void *s = (void *)__get_free_pages(GFP_KERNEL, order); + + irq_stack[i] = s; + pr_debug("CPU%d IRQ stack at 0x%p - 0x%p\n", i, +diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c +index 1cc133e7026f..fffd031dc6b6 100644 +--- a/arch/mips/kernel/process.c ++++ b/arch/mips/kernel/process.c +@@ -344,7 +344,7 @@ static inline int is_sp_move_ins(union mips_instruction *ip) + static int get_frame_info(struct mips_frame_info *info) + { + bool is_mmips = IS_ENABLED(CONFIG_CPU_MICROMIPS); +- union mips_instruction insn, *ip, *ip_end; ++ union mips_instruction insn, *ip; + const unsigned int max_insns = 128; + unsigned int last_insn_size = 0; + unsigned int i; +@@ -356,10 +356,9 @@ static int get_frame_info(struct mips_frame_info *info) + if (!ip) + goto err; + +- ip_end = (void *)ip + info->func_size; +- +- for (i = 0; i < max_insns && ip < ip_end; i++) { ++ for (i = 0; i < max_insns; i++) { + ip = (void *)ip + last_insn_size; ++ + if (is_mmips && mm_insn_16bit(ip->halfword[0])) { + insn.halfword[0] = 0; + insn.halfword[1] = ip->halfword[0]; +diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c +index ab04751a12b6..1e9f610d36a4 100644 +--- a/arch/x86/events/core.c ++++ b/arch/x86/events/core.c +@@ -1942,7 +1942,7 @@ static int x86_pmu_commit_txn(struct pmu *pmu) + */ + static void free_fake_cpuc(struct cpu_hw_events *cpuc) + { +- kfree(cpuc->shared_regs); ++ intel_cpuc_finish(cpuc); + kfree(cpuc); + } + +@@ -1954,14 +1954,11 @@ static struct cpu_hw_events *allocate_fake_cpuc(void) + cpuc = kzalloc(sizeof(*cpuc), GFP_KERNEL); + if (!cpuc) + return ERR_PTR(-ENOMEM); +- +- /* only needed, if we have extra_regs */ +- if (x86_pmu.extra_regs) { +- cpuc->shared_regs = allocate_shared_regs(cpu); +- if (!cpuc->shared_regs) +- goto error; +- } + cpuc->is_fake = 1; ++ ++ if (intel_cpuc_prepare(cpuc, cpu)) ++ goto error; ++ + return cpuc; + error: + free_fake_cpuc(cpuc); +diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c +index f0639c8ebcb6..098ab775135f 100644 +--- a/arch/x86/events/intel/core.c ++++ b/arch/x86/events/intel/core.c +@@ -2492,6 +2492,35 @@ intel_stop_scheduling(struct cpu_hw_events *cpuc) + raw_spin_unlock(&excl_cntrs->lock); + } + ++static struct event_constraint * ++dyn_constraint(struct cpu_hw_events *cpuc, struct event_constraint *c, int idx) ++{ ++ WARN_ON_ONCE(!cpuc->constraint_list); ++ ++ if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) { ++ struct event_constraint *cx; ++ ++ /* ++ * grab pre-allocated constraint entry ++ */ ++ cx = &cpuc->constraint_list[idx]; ++ ++ /* ++ * initialize dynamic constraint ++ * with static constraint ++ */ ++ *cx = *c; ++ ++ /* ++ * mark constraint as dynamic ++ */ ++ cx->flags |= PERF_X86_EVENT_DYNAMIC; ++ c = cx; ++ } ++ ++ return c; ++} ++ + static struct event_constraint * + intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event, + int idx, struct event_constraint *c) +@@ -2522,27 +2551,7 @@ intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event, + * only needed when constraint has not yet + * been cloned (marked dynamic) + */ +- if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) { +- struct event_constraint *cx; +- +- /* +- * grab pre-allocated constraint entry +- */ +- cx = &cpuc->constraint_list[idx]; +- +- /* +- * initialize dynamic constraint +- * with static constraint +- */ +- *cx = *c; +- +- /* +- * mark constraint as dynamic, so we +- * can free it later on +- */ +- cx->flags |= PERF_X86_EVENT_DYNAMIC; +- c = cx; +- } ++ c = dyn_constraint(cpuc, c, idx); + + /* + * From here on, the constraint is dynamic. +@@ -3093,7 +3102,7 @@ ssize_t intel_event_sysfs_show(char *page, u64 config) + return x86_event_sysfs_show(page, config, event); + } + +-struct intel_shared_regs *allocate_shared_regs(int cpu) ++static struct intel_shared_regs *allocate_shared_regs(int cpu) + { + struct intel_shared_regs *regs; + int i; +@@ -3125,10 +3134,9 @@ static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu) + return c; + } + +-static int intel_pmu_cpu_prepare(int cpu) +-{ +- struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + ++int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu) ++{ + if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { + cpuc->shared_regs = allocate_shared_regs(cpu); + if (!cpuc->shared_regs) +@@ -3138,7 +3146,7 @@ static int intel_pmu_cpu_prepare(int cpu) + if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { + size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint); + +- cpuc->constraint_list = kzalloc(sz, GFP_KERNEL); ++ cpuc->constraint_list = kzalloc_node(sz, GFP_KERNEL, cpu_to_node(cpu)); + if (!cpuc->constraint_list) + goto err_shared_regs; + +@@ -3163,6 +3171,11 @@ err: + return -ENOMEM; + } + ++static int intel_pmu_cpu_prepare(int cpu) ++{ ++ return intel_cpuc_prepare(&per_cpu(cpu_hw_events, cpu), cpu); ++} ++ + static void intel_pmu_cpu_starting(int cpu) + { + struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); +@@ -3218,9 +3231,8 @@ static void intel_pmu_cpu_starting(int cpu) + } + } + +-static void free_excl_cntrs(int cpu) ++static void free_excl_cntrs(struct cpu_hw_events *cpuc) + { +- struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + struct intel_excl_cntrs *c; + + c = cpuc->excl_cntrs; +@@ -3238,9 +3250,8 @@ static void intel_pmu_cpu_dying(int cpu) + fini_debug_store_on_cpu(cpu); + } + +-static void intel_pmu_cpu_dead(int cpu) ++void intel_cpuc_finish(struct cpu_hw_events *cpuc) + { +- struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + struct intel_shared_regs *pc; + + pc = cpuc->shared_regs; +@@ -3250,7 +3261,12 @@ static void intel_pmu_cpu_dead(int cpu) + cpuc->shared_regs = NULL; + } + +- free_excl_cntrs(cpu); ++ free_excl_cntrs(cpuc); ++} ++ ++static void intel_pmu_cpu_dead(int cpu) ++{ ++ intel_cpuc_finish(&per_cpu(cpu_hw_events, cpu)); + } + + static void intel_pmu_sched_task(struct perf_event_context *ctx, +@@ -4132,7 +4148,7 @@ static __init int fixup_ht_bug(void) + get_online_cpus(); + + for_each_online_cpu(c) { +- free_excl_cntrs(c); ++ free_excl_cntrs(&per_cpu(cpu_hw_events, c)); + } + + put_online_cpus(); +diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h +index 5c21680b0a69..1ce6ae35f6a2 100644 +--- a/arch/x86/events/perf_event.h ++++ b/arch/x86/events/perf_event.h +@@ -865,7 +865,8 @@ struct event_constraint * + x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event); + +-struct intel_shared_regs *allocate_shared_regs(int cpu); ++extern int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu); ++extern void intel_cpuc_finish(struct cpu_hw_events *cpuc); + + int intel_pmu_init(void); + +@@ -995,9 +996,13 @@ static inline int intel_pmu_init(void) + return 0; + } + +-static inline struct intel_shared_regs *allocate_shared_regs(int cpu) ++static inline int intel_cpuc_prepare(struct cpu_hw_event *cpuc, int cpu) ++{ ++ return 0; ++} ++ ++static inline void intel_cpuc_finish(struct cpu_hw_event *cpuc) + { +- return NULL; + } + + static inline int is_ht_workaround_enabled(void) +diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h +index c56c24347f15..98444b77fbe3 100644 +--- a/arch/x86/include/asm/cpufeatures.h ++++ b/arch/x86/include/asm/cpufeatures.h +@@ -314,6 +314,7 @@ + /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */ + #define X86_FEATURE_AVX512_4VNNIW (18*32+ 2) /* AVX-512 Neural Network Instructions */ + #define X86_FEATURE_AVX512_4FMAPS (18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */ ++#define X86_FEATURE_TSX_FORCE_ABORT (18*32+13) /* "" TSX_FORCE_ABORT */ + #define X86_FEATURE_PCONFIG (18*32+18) /* Intel PCONFIG */ + #define X86_FEATURE_SPEC_CTRL (18*32+26) /* "" Speculation Control (IBRS + IBPB) */ + #define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */ +diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h +index bbbb9b14ade1..9963e21ac443 100644 +--- a/arch/x86/include/asm/msr-index.h ++++ b/arch/x86/include/asm/msr-index.h +@@ -575,6 +575,12 @@ + + #define MSR_IA32_TSC_DEADLINE 0x000006E0 + ++ ++#define MSR_TSX_FORCE_ABORT 0x0000010F ++ ++#define MSR_TFA_RTM_FORCE_ABORT_BIT 0 ++#define MSR_TFA_RTM_FORCE_ABORT BIT_ULL(MSR_TFA_RTM_FORCE_ABORT_BIT) ++ + /* P4/Xeon+ specific */ + #define MSR_IA32_MCG_EAX 0x00000180 + #define MSR_IA32_MCG_EBX 0x00000181 +diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h +index 9215e0527647..390fdd39e0e2 100644 +--- a/arch/x86/include/asm/page_64_types.h ++++ b/arch/x86/include/asm/page_64_types.h +@@ -6,7 +6,11 @@ + #endif + + #ifdef CONFIG_KASAN ++#ifdef CONFIG_KASAN_EXTRA ++#define KASAN_STACK_ORDER 2 ++#else + #define KASAN_STACK_ORDER 1 ++#endif + #else + #define KASAN_STACK_ORDER 0 + #endif +diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c +index 4c2648b96c9a..be6d0543e626 100644 +--- a/arch/x86/kernel/cpu/amd.c ++++ b/arch/x86/kernel/cpu/amd.c +@@ -765,11 +765,9 @@ static void init_amd_bd(struct cpuinfo_x86 *c) + static void init_amd_zn(struct cpuinfo_x86 *c) + { + set_cpu_cap(c, X86_FEATURE_ZEN); +- /* +- * Fix erratum 1076: CPB feature bit not being set in CPUID. It affects +- * all up to and including B1. +- */ +- if (c->x86_model <= 1 && c->x86_stepping <= 1) ++ ++ /* Fix erratum 1076: CPB feature bit not being set in CPUID. */ ++ if (!cpu_has(c, X86_FEATURE_CPB)) + set_cpu_cap(c, X86_FEATURE_CPB); + } + +diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c +index 490f9be3fda2..167ecc270ca5 100644 +--- a/arch/x86/kernel/kexec-bzimage64.c ++++ b/arch/x86/kernel/kexec-bzimage64.c +@@ -167,6 +167,9 @@ setup_efi_state(struct boot_params *params, unsigned long params_load_addr, + struct efi_info *current_ei = &boot_params.efi_info; + struct efi_info *ei = ¶ms->efi_info; + ++ if (!efi_enabled(EFI_RUNTIME_SERVICES)) ++ return 0; ++ + if (!current_ei->efi_memmap_size) + return 0; + +diff --git a/arch/xtensa/configs/smp_lx200_defconfig b/arch/xtensa/configs/smp_lx200_defconfig +index 14e3ca353ac8..5035b86a2e49 100644 +--- a/arch/xtensa/configs/smp_lx200_defconfig ++++ b/arch/xtensa/configs/smp_lx200_defconfig +@@ -34,6 +34,7 @@ CONFIG_SMP=y + CONFIG_HOTPLUG_CPU=y + # CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is not set + # CONFIG_PCI is not set ++CONFIG_VECTORS_OFFSET=0x00002000 + CONFIG_XTENSA_PLATFORM_XTFPGA=y + CONFIG_CMDLINE_BOOL=y + CONFIG_CMDLINE="earlycon=uart8250,mmio32native,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=96M@0" +diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S +index 27c8e07ace43..29f445b410b3 100644 +--- a/arch/xtensa/kernel/head.S ++++ b/arch/xtensa/kernel/head.S +@@ -281,12 +281,13 @@ should_never_return: + + movi a2, cpu_start_ccount + 1: ++ memw + l32i a3, a2, 0 + beqi a3, 0, 1b + movi a3, 0 + s32i a3, a2, 0 +- memw + 1: ++ memw + l32i a3, a2, 0 + beqi a3, 0, 1b + wsr a3, ccount +@@ -323,11 +324,13 @@ ENTRY(cpu_restart) + rsr a0, prid + neg a2, a0 + movi a3, cpu_start_id ++ memw + s32i a2, a3, 0 + #if XCHAL_DCACHE_IS_WRITEBACK + dhwbi a3, 0 + #endif + 1: ++ memw + l32i a2, a3, 0 + dhi a3, 0 + bne a2, a0, 1b +diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c +index fc4ad21a5ed4..44805673a250 100644 +--- a/arch/xtensa/kernel/smp.c ++++ b/arch/xtensa/kernel/smp.c +@@ -80,7 +80,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) + { + unsigned i; + +- for (i = 0; i < max_cpus; ++i) ++ for_each_possible_cpu(i) + set_cpu_present(i, true); + } + +@@ -93,6 +93,11 @@ void __init smp_init_cpus(void) + pr_info("%s: Core Count = %d\n", __func__, ncpus); + pr_info("%s: Core Id = %d\n", __func__, core_id); + ++ if (ncpus > NR_CPUS) { ++ ncpus = NR_CPUS; ++ pr_info("%s: limiting core count by %d\n", __func__, ncpus); ++ } ++ + for (i = 0; i < ncpus; ++i) + set_cpu_possible(i, true); + } +@@ -192,9 +197,11 @@ static int boot_secondary(unsigned int cpu, struct task_struct *ts) + int i; + + #ifdef CONFIG_HOTPLUG_CPU +- cpu_start_id = cpu; +- system_flush_invalidate_dcache_range( +- (unsigned long)&cpu_start_id, sizeof(cpu_start_id)); ++ WRITE_ONCE(cpu_start_id, cpu); ++ /* Pairs with the third memw in the cpu_restart */ ++ mb(); ++ system_flush_invalidate_dcache_range((unsigned long)&cpu_start_id, ++ sizeof(cpu_start_id)); + #endif + smp_call_function_single(0, mx_cpu_start, (void *)cpu, 1); + +@@ -203,18 +210,21 @@ static int boot_secondary(unsigned int cpu, struct task_struct *ts) + ccount = get_ccount(); + while (!ccount); + +- cpu_start_ccount = ccount; ++ WRITE_ONCE(cpu_start_ccount, ccount); + +- while (time_before(jiffies, timeout)) { ++ do { ++ /* ++ * Pairs with the first two memws in the ++ * .Lboot_secondary. ++ */ + mb(); +- if (!cpu_start_ccount) +- break; +- } ++ ccount = READ_ONCE(cpu_start_ccount); ++ } while (ccount && time_before(jiffies, timeout)); + +- if (cpu_start_ccount) { ++ if (ccount) { + smp_call_function_single(0, mx_cpu_stop, +- (void *)cpu, 1); +- cpu_start_ccount = 0; ++ (void *)cpu, 1); ++ WRITE_ONCE(cpu_start_ccount, 0); + return -EIO; + } + } +@@ -234,6 +244,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) + pr_debug("%s: Calling wakeup_secondary(cpu:%d, idle:%p, sp: %08lx)\n", + __func__, cpu, idle, start_info.stack); + ++ init_completion(&cpu_running); + ret = boot_secondary(cpu, idle); + if (ret == 0) { + wait_for_completion_timeout(&cpu_running, +@@ -295,8 +306,10 @@ void __cpu_die(unsigned int cpu) + unsigned long timeout = jiffies + msecs_to_jiffies(1000); + while (time_before(jiffies, timeout)) { + system_invalidate_dcache_range((unsigned long)&cpu_start_id, +- sizeof(cpu_start_id)); +- if (cpu_start_id == -cpu) { ++ sizeof(cpu_start_id)); ++ /* Pairs with the second memw in the cpu_restart */ ++ mb(); ++ if (READ_ONCE(cpu_start_id) == -cpu) { + platform_cpu_kill(cpu); + return; + } +diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c +index be81e69b25bc..2251a6e0973a 100644 +--- a/arch/xtensa/kernel/time.c ++++ b/arch/xtensa/kernel/time.c +@@ -89,7 +89,7 @@ static int ccount_timer_shutdown(struct clock_event_device *evt) + container_of(evt, struct ccount_timer, evt); + + if (timer->irq_enabled) { +- disable_irq(evt->irq); ++ disable_irq_nosync(evt->irq); + timer->irq_enabled = 0; + } + return 0; +diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c +index 14790304b84b..9fcd51095d13 100644 +--- a/drivers/char/applicom.c ++++ b/drivers/char/applicom.c +@@ -32,6 +32,7 @@ + #include <linux/wait.h> + #include <linux/init.h> + #include <linux/fs.h> ++#include <linux/nospec.h> + + #include <asm/io.h> + #include <asm/uaccess.h> +@@ -386,7 +387,11 @@ static ssize_t ac_write(struct file *file, const char __user *buf, size_t count, + TicCard = st_loc.tic_des_from_pc; /* tic number to send */ + IndexCard = NumCard - 1; + +- if((NumCard < 1) || (NumCard > MAX_BOARD) || !apbs[IndexCard].RamIO) ++ if (IndexCard >= MAX_BOARD) ++ return -EINVAL; ++ IndexCard = array_index_nospec(IndexCard, MAX_BOARD); ++ ++ if (!apbs[IndexCard].RamIO) + return -EINVAL; + + #ifdef DEBUG +@@ -697,6 +702,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + unsigned char IndexCard; + void __iomem *pmem; + int ret = 0; ++ static int warncount = 10; + volatile unsigned char byte_reset_it; + struct st_ram_io *adgl; + void __user *argp = (void __user *)arg; +@@ -711,16 +717,12 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + mutex_lock(&ac_mutex); + IndexCard = adgl->num_card-1; + +- if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) { +- static int warncount = 10; +- if (warncount) { +- printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1); +- warncount--; +- } +- kfree(adgl); +- mutex_unlock(&ac_mutex); +- return -EINVAL; +- } ++ if (cmd != 6 && IndexCard >= MAX_BOARD) ++ goto err; ++ IndexCard = array_index_nospec(IndexCard, MAX_BOARD); ++ ++ if (cmd != 6 && !apbs[IndexCard].RamIO) ++ goto err; + + switch (cmd) { + +@@ -838,5 +840,16 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + kfree(adgl); + mutex_unlock(&ac_mutex); + return 0; ++ ++err: ++ if (warncount) { ++ pr_warn("APPLICOM driver IOCTL, bad board number %d\n", ++ (int)IndexCard + 1); ++ warncount--; ++ } ++ kfree(adgl); ++ mutex_unlock(&ac_mutex); ++ return -EINVAL; ++ + } + +diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c +index 61fe4bbc6dc0..a38a23f0b3f4 100644 +--- a/drivers/cpufreq/cpufreq.c ++++ b/drivers/cpufreq/cpufreq.c +@@ -528,13 +528,13 @@ EXPORT_SYMBOL_GPL(cpufreq_driver_resolve_freq); + * SYSFS INTERFACE * + *********************************************************************/ + static ssize_t show_boost(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + return sprintf(buf, "%d\n", cpufreq_driver->boost_enabled); + } + +-static ssize_t store_boost(struct kobject *kobj, struct attribute *attr, +- const char *buf, size_t count) ++static ssize_t store_boost(struct kobject *kobj, struct kobj_attribute *attr, ++ const char *buf, size_t count) + { + int ret, enable; + +diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c +index a59ae8e24d3d..f690085b1ad9 100644 +--- a/drivers/cpufreq/intel_pstate.c ++++ b/drivers/cpufreq/intel_pstate.c +@@ -659,13 +659,13 @@ static void __init intel_pstate_debug_expose_params(void) + /************************** sysfs begin ************************/ + #define show_one(file_name, object) \ + static ssize_t show_##file_name \ +- (struct kobject *kobj, struct attribute *attr, char *buf) \ ++ (struct kobject *kobj, struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%u\n", limits->object); \ + } + + static ssize_t show_turbo_pct(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + struct cpudata *cpu; + int total, no_turbo, turbo_pct; +@@ -681,7 +681,7 @@ static ssize_t show_turbo_pct(struct kobject *kobj, + } + + static ssize_t show_num_pstates(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + struct cpudata *cpu; + int total; +@@ -692,7 +692,7 @@ static ssize_t show_num_pstates(struct kobject *kobj, + } + + static ssize_t show_no_turbo(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + ssize_t ret; + +@@ -705,7 +705,7 @@ static ssize_t show_no_turbo(struct kobject *kobj, + return ret; + } + +-static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, ++static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +@@ -729,7 +729,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, + return count; + } + +-static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, ++static ssize_t store_max_perf_pct(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +@@ -753,7 +753,7 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, + return count; + } + +-static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, ++static ssize_t store_min_perf_pct(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c +index ee7b48d5243c..b222dd7afe8e 100644 +--- a/drivers/dma/at_xdmac.c ++++ b/drivers/dma/at_xdmac.c +@@ -203,6 +203,7 @@ struct at_xdmac_chan { + u32 save_cim; + u32 save_cnda; + u32 save_cndc; ++ u32 irq_status; + unsigned long status; + struct tasklet_struct tasklet; + struct dma_slave_config sconfig; +@@ -1582,8 +1583,8 @@ static void at_xdmac_tasklet(unsigned long data) + struct at_xdmac_desc *desc; + u32 error_mask; + +- dev_dbg(chan2dev(&atchan->chan), "%s: status=0x%08lx\n", +- __func__, atchan->status); ++ dev_dbg(chan2dev(&atchan->chan), "%s: status=0x%08x\n", ++ __func__, atchan->irq_status); + + error_mask = AT_XDMAC_CIS_RBEIS + | AT_XDMAC_CIS_WBEIS +@@ -1591,15 +1592,15 @@ static void at_xdmac_tasklet(unsigned long data) + + if (at_xdmac_chan_is_cyclic(atchan)) { + at_xdmac_handle_cyclic(atchan); +- } else if ((atchan->status & AT_XDMAC_CIS_LIS) +- || (atchan->status & error_mask)) { ++ } else if ((atchan->irq_status & AT_XDMAC_CIS_LIS) ++ || (atchan->irq_status & error_mask)) { + struct dma_async_tx_descriptor *txd; + +- if (atchan->status & AT_XDMAC_CIS_RBEIS) ++ if (atchan->irq_status & AT_XDMAC_CIS_RBEIS) + dev_err(chan2dev(&atchan->chan), "read bus error!!!"); +- if (atchan->status & AT_XDMAC_CIS_WBEIS) ++ if (atchan->irq_status & AT_XDMAC_CIS_WBEIS) + dev_err(chan2dev(&atchan->chan), "write bus error!!!"); +- if (atchan->status & AT_XDMAC_CIS_ROIS) ++ if (atchan->irq_status & AT_XDMAC_CIS_ROIS) + dev_err(chan2dev(&atchan->chan), "request overflow error!!!"); + + spin_lock_bh(&atchan->lock); +@@ -1654,7 +1655,7 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) + atchan = &atxdmac->chan[i]; + chan_imr = at_xdmac_chan_read(atchan, AT_XDMAC_CIM); + chan_status = at_xdmac_chan_read(atchan, AT_XDMAC_CIS); +- atchan->status = chan_status & chan_imr; ++ atchan->irq_status = chan_status & chan_imr; + dev_vdbg(atxdmac->dma.dev, + "%s: chan%d: imr=0x%x, status=0x%x\n", + __func__, i, chan_imr, chan_status); +@@ -1668,7 +1669,7 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) + at_xdmac_chan_read(atchan, AT_XDMAC_CDA), + at_xdmac_chan_read(atchan, AT_XDMAC_CUBC)); + +- if (atchan->status & (AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS)) ++ if (atchan->irq_status & (AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS)) + at_xdmac_write(atxdmac, AT_XDMAC_GD, atchan->mask); + + tasklet_schedule(&atchan->tasklet); +diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c +index ebe72a466587..7dd46cf5ed84 100644 +--- a/drivers/dma/dmatest.c ++++ b/drivers/dma/dmatest.c +@@ -583,11 +583,9 @@ static int dmatest_func(void *data) + srcs[i] = um->addr[i] + src_off; + ret = dma_mapping_error(dev->dev, um->addr[i]); + if (ret) { +- dmaengine_unmap_put(um); + result("src mapping error", total_tests, + src_off, dst_off, len, ret); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + um->to_cnt++; + } +@@ -602,11 +600,9 @@ static int dmatest_func(void *data) + DMA_BIDIRECTIONAL); + ret = dma_mapping_error(dev->dev, dsts[i]); + if (ret) { +- dmaengine_unmap_put(um); + result("dst mapping error", total_tests, + src_off, dst_off, len, ret); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + um->bidi_cnt++; + } +@@ -643,12 +639,10 @@ static int dmatest_func(void *data) + } + + if (!tx) { +- dmaengine_unmap_put(um); + result("prep error", total_tests, src_off, + dst_off, len, ret); + msleep(100); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + + done->done = false; +@@ -657,12 +651,10 @@ static int dmatest_func(void *data) + cookie = tx->tx_submit(tx); + + if (dma_submit_error(cookie)) { +- dmaengine_unmap_put(um); + result("submit error", total_tests, src_off, + dst_off, len, ret); + msleep(100); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + dma_async_issue_pending(chan); + +@@ -675,16 +667,14 @@ static int dmatest_func(void *data) + dmaengine_unmap_put(um); + result("test timed out", total_tests, src_off, dst_off, + len, 0); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } else if (status != DMA_COMPLETE) { + dmaengine_unmap_put(um); + result(status == DMA_ERROR ? + "completion error status" : + "completion busy status", total_tests, src_off, + dst_off, len, ret); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + + dmaengine_unmap_put(um); +@@ -727,6 +717,12 @@ static int dmatest_func(void *data) + verbose_result("test passed", total_tests, src_off, + dst_off, len, 0); + } ++ ++ continue; ++ ++error_unmap_continue: ++ dmaengine_unmap_put(um); ++ failed_tests++; + } + ktime = ktime_sub(ktime_get(), ktime); + ktime = ktime_sub(ktime, comparetime); +diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c +index 14042a64bdd5..132b9bae4b6a 100644 +--- a/drivers/firmware/iscsi_ibft.c ++++ b/drivers/firmware/iscsi_ibft.c +@@ -542,6 +542,7 @@ static umode_t __init ibft_check_tgt_for(void *data, int type) + case ISCSI_BOOT_TGT_NIC_ASSOC: + case ISCSI_BOOT_TGT_CHAP_TYPE: + rc = S_IRUGO; ++ break; + case ISCSI_BOOT_TGT_NAME: + if (tgt->tgt_name_len) + rc = S_IRUGO; +diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c +index 3edb09cb9ee0..1f599bc08237 100644 +--- a/drivers/gpio/gpio-vf610.c ++++ b/drivers/gpio/gpio-vf610.c +@@ -221,6 +221,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) + struct vf610_gpio_port *port; + struct resource *iores; + struct gpio_chip *gc; ++ int i; + int ret; + + port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL); +@@ -259,6 +260,10 @@ static int vf610_gpio_probe(struct platform_device *pdev) + if (ret < 0) + return ret; + ++ /* Mask all GPIO interrupts */ ++ for (i = 0; i < gc->ngpio; i++) ++ vf610_gpio_writel(0, port->base + PORT_PCR(i)); ++ + /* Clear the interrupt status register for all GPIO's */ + vf610_gpio_writel(~0, port->base + PORT_ISFR); + +diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c +index f2975a1525be..2796fea70a42 100644 +--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c ++++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c +@@ -327,6 +327,7 @@ static int sun4i_tcon_init_clocks(struct device *dev, + dev_err(dev, "Couldn't get the TCON channel 0 clock\n"); + return PTR_ERR(tcon->sclk0); + } ++ clk_prepare_enable(tcon->sclk0); + + if (tcon->quirks->has_channel_1) { + tcon->sclk1 = devm_clk_get(dev, "tcon-ch1"); +@@ -341,6 +342,7 @@ static int sun4i_tcon_init_clocks(struct device *dev, + + static void sun4i_tcon_free_clocks(struct sun4i_tcon *tcon) + { ++ clk_disable_unprepare(tcon->sclk0); + clk_disable_unprepare(tcon->clk); + } + +diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c +index 1a7ce1d740ce..292d7b6a0536 100644 +--- a/drivers/infiniband/hw/hfi1/ud.c ++++ b/drivers/infiniband/hw/hfi1/ud.c +@@ -772,7 +772,6 @@ void hfi1_ud_rcv(struct hfi1_packet *packet) + opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) { + wc.ex.imm_data = ohdr->u.ud.imm_data; + wc.wc_flags = IB_WC_WITH_IMM; +- tlen -= sizeof(u32); + } else if (opcode == IB_OPCODE_UD_SEND_ONLY) { + wc.ex.imm_data = 0; + wc.wc_flags = 0; +diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c +index f45cad1198b0..93012fba287d 100644 +--- a/drivers/infiniband/hw/qib/qib_ud.c ++++ b/drivers/infiniband/hw/qib/qib_ud.c +@@ -525,7 +525,6 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr, + opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) { + wc.ex.imm_data = ohdr->u.ud.imm_data; + wc.wc_flags = IB_WC_WITH_IMM; +- tlen -= sizeof(u32); + } else if (opcode == IB_OPCODE_UD_SEND_ONLY) { + wc.ex.imm_data = 0; + wc.wc_flags = 0; +diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c +index 25ce9047b682..16f5d5660053 100644 +--- a/drivers/input/mouse/elan_i2c_core.c ++++ b/drivers/input/mouse/elan_i2c_core.c +@@ -1241,6 +1241,7 @@ static const struct acpi_device_id elan_acpi_id[] = { + { "ELAN0000", 0 }, + { "ELAN0100", 0 }, + { "ELAN0600", 0 }, ++ { "ELAN0601", 0 }, + { "ELAN0602", 0 }, + { "ELAN0605", 0 }, + { "ELAN0608", 0 }, +diff --git a/drivers/input/tablet/wacom_serial4.c b/drivers/input/tablet/wacom_serial4.c +index 20ab802461e7..1d46b763aae6 100644 +--- a/drivers/input/tablet/wacom_serial4.c ++++ b/drivers/input/tablet/wacom_serial4.c +@@ -187,6 +187,7 @@ enum { + MODEL_DIGITIZER_II = 0x5544, /* UD */ + MODEL_GRAPHIRE = 0x4554, /* ET */ + MODEL_PENPARTNER = 0x4354, /* CT */ ++ MODEL_ARTPAD_II = 0x4B54, /* KT */ + }; + + static void wacom_handle_model_response(struct wacom *wacom) +@@ -245,6 +246,7 @@ static void wacom_handle_model_response(struct wacom *wacom) + wacom->flags = F_HAS_STYLUS2 | F_HAS_SCROLLWHEEL; + break; + ++ case MODEL_ARTPAD_II: + case MODEL_DIGITIZER_II: + wacom->dev->name = "Wacom Digitizer II"; + wacom->dev->id.version = MODEL_DIGITIZER_II; +diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c +index e984418ffa2a..ca22483d253f 100644 +--- a/drivers/iommu/amd_iommu.c ++++ b/drivers/iommu/amd_iommu.c +@@ -1896,6 +1896,7 @@ static void do_attach(struct iommu_dev_data *dev_data, + + static void do_detach(struct iommu_dev_data *dev_data) + { ++ struct protection_domain *domain = dev_data->domain; + struct amd_iommu *iommu; + u16 alias; + +@@ -1911,10 +1912,6 @@ static void do_detach(struct iommu_dev_data *dev_data) + iommu = amd_iommu_rlookup_table[dev_data->devid]; + alias = dev_data->alias; + +- /* decrease reference counters */ +- dev_data->domain->dev_iommu[iommu->index] -= 1; +- dev_data->domain->dev_cnt -= 1; +- + /* Update data structures */ + dev_data->domain = NULL; + list_del(&dev_data->list); +@@ -1924,6 +1921,16 @@ static void do_detach(struct iommu_dev_data *dev_data) + + /* Flush the DTE entry */ + device_flush_dte(dev_data); ++ ++ /* Flush IOTLB */ ++ domain_flush_tlb_pde(domain); ++ ++ /* Wait for the flushes to finish */ ++ domain_flush_complete(domain); ++ ++ /* decrease reference counters - needs to happen after the flushes */ ++ domain->dev_iommu[iommu->index] -= 1; ++ domain->dev_cnt -= 1; + } + + /* +@@ -2611,13 +2618,13 @@ out_unmap: + bus_addr = address + s->dma_address + (j << PAGE_SHIFT); + iommu_unmap_page(domain, bus_addr, PAGE_SIZE); + +- if (--mapped_pages) ++ if (--mapped_pages == 0) + goto out_free_iova; + } + } + + out_free_iova: +- free_iova_fast(&dma_dom->iovad, address, npages); ++ free_iova_fast(&dma_dom->iovad, address >> PAGE_SHIFT, npages); + + out_err: + return 0; +diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c +index 013fc9659a84..2fe2bcb63a71 100644 +--- a/drivers/irqchip/irq-mmp.c ++++ b/drivers/irqchip/irq-mmp.c +@@ -34,6 +34,9 @@ + #define SEL_INT_PENDING (1 << 6) + #define SEL_INT_NUM_MASK 0x3f + ++#define MMP2_ICU_INT_ROUTE_PJ4_IRQ (1 << 5) ++#define MMP2_ICU_INT_ROUTE_PJ4_FIQ (1 << 6) ++ + struct icu_chip_data { + int nr_irqs; + unsigned int virq_base; +@@ -190,7 +193,8 @@ static struct mmp_intc_conf mmp_conf = { + static struct mmp_intc_conf mmp2_conf = { + .conf_enable = 0x20, + .conf_disable = 0x0, +- .conf_mask = 0x7f, ++ .conf_mask = MMP2_ICU_INT_ROUTE_PJ4_IRQ | ++ MMP2_ICU_INT_ROUTE_PJ4_FIQ, + }; + + static void __exception_irq_entry mmp_handle_irq(struct pt_regs *regs) +diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c +index d4e0d1602c80..6b7eed722e43 100644 +--- a/drivers/isdn/i4l/isdn_tty.c ++++ b/drivers/isdn/i4l/isdn_tty.c +@@ -786,7 +786,7 @@ isdn_tty_suspend(char *id, modem_info *info, atemu *m) + cmd.parm.cmsg.para[3] = 4; /* 16 bit 0x0004 Suspend */ + cmd.parm.cmsg.para[4] = 0; + cmd.parm.cmsg.para[5] = l; +- strncpy(&cmd.parm.cmsg.para[6], id, l); ++ strscpy(&cmd.parm.cmsg.para[6], id, l); + cmd.command = CAPI_PUT_MESSAGE; + cmd.driver = info->isdn_driver; + cmd.arg = info->isdn_channel; +diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c +index cde43b63c3da..c630a9f8e356 100644 +--- a/drivers/media/usb/uvc/uvc_driver.c ++++ b/drivers/media/usb/uvc/uvc_driver.c +@@ -1019,11 +1019,19 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + return -EINVAL; + } + +- /* Make sure the terminal type MSB is not null, otherwise it +- * could be confused with a unit. ++ /* ++ * Reject invalid terminal types that would cause issues: ++ * ++ * - The high byte must be non-zero, otherwise it would be ++ * confused with a unit. ++ * ++ * - Bit 15 must be 0, as we use it internally as a terminal ++ * direction flag. ++ * ++ * Other unknown types are accepted. + */ + type = get_unaligned_le16(&buffer[4]); +- if ((type & 0xff00) == 0) { ++ if ((type & 0x7f00) == 0 || (type & 0x8000) != 0) { + uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol " + "interface %d INPUT_TERMINAL %d has invalid " + "type 0x%04x, skipping\n", udev->devnum, +diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c +index 883fd9809dd2..7cee3e5db56c 100644 +--- a/drivers/net/dsa/mv88e6xxx/chip.c ++++ b/drivers/net/dsa/mv88e6xxx/chip.c +@@ -798,7 +798,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, + if (s->sizeof_stat == 8) + _mv88e6xxx_stats_read(chip, s->reg + 1, &high); + } +- value = (((u64)high) << 16) | low; ++ value = (((u64)high) << 32) | low; + return value; + } + +diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c +index 0fb986ba3290..0ae723f75341 100644 +--- a/drivers/net/ethernet/altera/altera_msgdma.c ++++ b/drivers/net/ethernet/altera/altera_msgdma.c +@@ -145,7 +145,8 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv) + & 0xffff; + + if (inuse) { /* Tx FIFO is not empty */ +- ready = priv->tx_prod - priv->tx_cons - inuse - 1; ++ ready = max_t(int, ++ priv->tx_prod - priv->tx_cons - inuse - 1, 0); + } else { + /* Check for buffered last packet */ + status = csrrd32(priv->tx_dma_csr, msgdma_csroffs(status)); +diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c +index a036f7039d76..737f0f6f4075 100644 +--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c ++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c +@@ -428,6 +428,12 @@ normal_tx: + } + + length >>= 9; ++ if (unlikely(length >= ARRAY_SIZE(bnxt_lhint_arr))) { ++ dev_warn_ratelimited(&pdev->dev, "Dropped oversize %d bytes TX packet.\n", ++ skb->len); ++ i = 0; ++ goto tx_dma_error; ++ } + flags |= bnxt_lhint_arr[length]; + txbd->tx_bd_len_flags_type = cpu_to_le32(flags); + +diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c +index a2f7d0834071..ad8681cf5ef0 100644 +--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c ++++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c +@@ -2078,6 +2078,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev) + out_notify_fail: + (void)cancel_work_sync(&priv->service_task); + out_read_prop_fail: ++ /* safe for ACPI FW */ ++ of_node_put(to_of_node(priv->fwnode)); + free_netdev(ndev); + return ret; + } +@@ -2107,6 +2109,9 @@ static int hns_nic_dev_remove(struct platform_device *pdev) + set_bit(NIC_STATE_REMOVING, &priv->state); + (void)cancel_work_sync(&priv->service_task); + ++ /* safe for ACPI FW */ ++ of_node_put(to_of_node(priv->fwnode)); ++ + free_netdev(ndev); + return 0; + } +diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c +index 501eb2090ca6..de23a0ead5d7 100644 +--- a/drivers/net/ethernet/hisilicon/hns_mdio.c ++++ b/drivers/net/ethernet/hisilicon/hns_mdio.c +@@ -329,7 +329,7 @@ static int hns_mdio_read(struct mii_bus *bus, int phy_id, int regnum) + } + + hns_mdio_cmd_write(mdio_dev, is_c45, +- MDIO_C45_WRITE_ADDR, phy_id, devad); ++ MDIO_C45_READ, phy_id, devad); + } + + /* Step 5: waitting for MDIO_COMMAND_REG 's mdio_start==0,*/ +diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c +index af11781fe5f9..4ac023a37936 100644 +--- a/drivers/net/ethernet/marvell/sky2.c ++++ b/drivers/net/ethernet/marvell/sky2.c +@@ -46,6 +46,7 @@ + #include <linux/mii.h> + #include <linux/of_device.h> + #include <linux/of_net.h> ++#include <linux/dmi.h> + + #include <asm/irq.h> + +@@ -93,7 +94,7 @@ static int copybreak __read_mostly = 128; + module_param(copybreak, int, 0); + MODULE_PARM_DESC(copybreak, "Receive copy threshold"); + +-static int disable_msi = 0; ++static int disable_msi = -1; + module_param(disable_msi, int, 0); + MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); + +@@ -4923,6 +4924,24 @@ static const char *sky2_name(u8 chipid, char *buf, int sz) + return buf; + } + ++static const struct dmi_system_id msi_blacklist[] = { ++ { ++ .ident = "Dell Inspiron 1545", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1545"), ++ }, ++ }, ++ { ++ .ident = "Gateway P-79", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Gateway"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "P-79"), ++ }, ++ }, ++ {} ++}; ++ + static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + { + struct net_device *dev, *dev1; +@@ -5034,6 +5053,9 @@ static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + goto err_out_free_pci; + } + ++ if (disable_msi == -1) ++ disable_msi = !!dmi_check_system(msi_blacklist); ++ + if (!disable_msi && pci_enable_msi(pdev) == 0) { + err = sky2_test_msi(hw); + if (err) { +diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c +index 9cc02b94328a..cf34908ec8e1 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_vf.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c +@@ -158,6 +158,7 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) + struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; + struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; + struct vf_pf_resc_request *p_resc; ++ u8 retry_cnt = VF_ACQUIRE_THRESH; + bool resources_acquired = false; + struct vfpf_acquire_tlv *req; + int rc = 0, attempts = 0; +@@ -203,6 +204,15 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) + + /* send acquire request */ + rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); ++ ++ /* Re-try acquire in case of vf-pf hw channel timeout */ ++ if (retry_cnt && rc == -EBUSY) { ++ DP_VERBOSE(p_hwfn, QED_MSG_IOV, ++ "VF retrying to acquire due to VPC timeout\n"); ++ retry_cnt--; ++ continue; ++ } ++ + if (rc) + goto exit; + +diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +index d80c88bd2bba..6e61bccc90b3 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c ++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +@@ -877,8 +877,10 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) + } + + ret = phy_power_on(bsp_priv, true); +- if (ret) ++ if (ret) { ++ gmac_clk_enable(bsp_priv, false); + return ret; ++ } + + ret = gmac_clk_enable(bsp_priv, true); + if (ret) +diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c +index 53602fdf5b47..06f77ec44a15 100644 +--- a/drivers/net/hyperv/netvsc_drv.c ++++ b/drivers/net/hyperv/netvsc_drv.c +@@ -593,6 +593,14 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj, + schedule_delayed_work(&ndev_ctx->dwork, 0); + } + ++static void netvsc_comp_ipcsum(struct sk_buff *skb) ++{ ++ struct iphdr *iph = (struct iphdr *)skb->data; ++ ++ iph->check = 0; ++ iph->check = ip_fast_csum(iph, iph->ihl); ++} ++ + static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, + struct hv_netvsc_packet *packet, + struct ndis_tcp_ip_checksum_info *csum_info, +@@ -616,9 +624,17 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, + /* skb is already created with CHECKSUM_NONE */ + skb_checksum_none_assert(skb); + +- /* +- * In Linux, the IP checksum is always checked. +- * Do L4 checksum offload if enabled and present. ++ /* Incoming packets may have IP header checksum verified by the host. ++ * They may not have IP header checksum computed after coalescing. ++ * We compute it here if the flags are set, because on Linux, the IP ++ * checksum is always checked. ++ */ ++ if (csum_info && csum_info->receive.ip_checksum_value_invalid && ++ csum_info->receive.ip_checksum_succeeded && ++ skb->protocol == htons(ETH_P_IP)) ++ netvsc_comp_ipcsum(skb); ++ ++ /* Do L4 checksum offload if enabled and present. + */ + if (csum_info && (net->features & NETIF_F_RXCSUM)) { + if (csum_info->receive.tcp_checksum_succeeded || +diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c +index 707190d3ada0..16f074408813 100644 +--- a/drivers/net/phy/micrel.c ++++ b/drivers/net/phy/micrel.c +@@ -341,6 +341,17 @@ static int ksz8041_config_aneg(struct phy_device *phydev) + return genphy_config_aneg(phydev); + } + ++static int ksz8061_config_init(struct phy_device *phydev) ++{ ++ int ret; ++ ++ ret = phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_DEVID1, 0xB61A); ++ if (ret) ++ return ret; ++ ++ return kszphy_config_init(phydev); ++} ++ + static int ksz9021_load_values_from_of(struct phy_device *phydev, + const struct device_node *of_node, + u16 reg, +@@ -940,7 +951,7 @@ static struct phy_driver ksphy_driver[] = { + .phy_id_mask = MICREL_PHY_ID_MASK, + .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause), + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, +- .config_init = kszphy_config_init, ++ .config_init = ksz8061_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = kszphy_ack_interrupt, +diff --git a/drivers/net/team/team_mode_loadbalance.c b/drivers/net/team/team_mode_loadbalance.c +index b228bea7931f..de2530830d93 100644 +--- a/drivers/net/team/team_mode_loadbalance.c ++++ b/drivers/net/team/team_mode_loadbalance.c +@@ -319,6 +319,20 @@ static int lb_bpf_func_set(struct team *team, struct team_gsetter_ctx *ctx) + return 0; + } + ++static void lb_bpf_func_free(struct team *team) ++{ ++ struct lb_priv *lb_priv = get_lb_priv(team); ++ struct bpf_prog *fp; ++ ++ if (!lb_priv->ex->orig_fprog) ++ return; ++ ++ __fprog_destroy(lb_priv->ex->orig_fprog); ++ fp = rcu_dereference_protected(lb_priv->fp, ++ lockdep_is_held(&team->lock)); ++ bpf_prog_destroy(fp); ++} ++ + static int lb_tx_method_get(struct team *team, struct team_gsetter_ctx *ctx) + { + struct lb_priv *lb_priv = get_lb_priv(team); +@@ -633,6 +647,7 @@ static void lb_exit(struct team *team) + + team_options_unregister(team, lb_options, + ARRAY_SIZE(lb_options)); ++ lb_bpf_func_free(team); + cancel_delayed_work_sync(&lb_priv->ex->stats.refresh_dw); + free_percpu(lb_priv->pcpu_stats); + kfree(lb_priv->ex); +diff --git a/drivers/net/tun.c b/drivers/net/tun.c +index 7a0d5e928bec..24cc94453d38 100644 +--- a/drivers/net/tun.c ++++ b/drivers/net/tun.c +@@ -1471,9 +1471,9 @@ static struct sk_buff *tun_ring_recv(struct tun_file *tfile, int noblock, + } + + add_wait_queue(&tfile->wq.wait, &wait); +- current->state = TASK_INTERRUPTIBLE; + + while (1) { ++ set_current_state(TASK_INTERRUPTIBLE); + skb = skb_array_consume(&tfile->tx_array); + if (skb) + break; +@@ -1489,7 +1489,7 @@ static struct sk_buff *tun_ring_recv(struct tun_file *tfile, int noblock, + schedule(); + } + +- current->state = TASK_RUNNING; ++ __set_current_state(TASK_RUNNING); + remove_wait_queue(&tfile->wq.wait, &wait); + + out: +diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c +index 3b6fb5b3bdb2..6414cc6b9032 100644 +--- a/drivers/net/xen-netback/hash.c ++++ b/drivers/net/xen-netback/hash.c +@@ -435,6 +435,8 @@ void xenvif_init_hash(struct xenvif *vif) + if (xenvif_hash_cache_size == 0) + return; + ++ BUG_ON(vif->hash.cache.count); ++ + spin_lock_init(&vif->hash.cache.lock); + INIT_LIST_HEAD(&vif->hash.cache.list); + } +diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c +index 618013e7f87b..cae691486105 100644 +--- a/drivers/net/xen-netback/interface.c ++++ b/drivers/net/xen-netback/interface.c +@@ -152,6 +152,13 @@ static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb, + { + struct xenvif *vif = netdev_priv(dev); + unsigned int size = vif->hash.size; ++ unsigned int num_queues; ++ ++ /* If queues are not set up internally - always return 0 ++ * as the packet going to be dropped anyway */ ++ num_queues = READ_ONCE(vif->num_queues); ++ if (num_queues < 1) ++ return 0; + + if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE) + return fallback(dev, skb) % dev->real_num_tx_queues; +diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c +index a7bdb1ffac2e..f57815befc90 100644 +--- a/drivers/net/xen-netback/netback.c ++++ b/drivers/net/xen-netback/netback.c +@@ -1074,11 +1074,6 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s + skb_frag_size_set(&frags[i], len); + } + +- /* Copied all the bits from the frag list -- free it. */ +- skb_frag_list_init(skb); +- xenvif_skb_zerocopy_prepare(queue, nskb); +- kfree_skb(nskb); +- + /* Release all the original (foreign) frags. */ + for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) + skb_frag_unref(skb, f); +@@ -1147,6 +1142,8 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) + xenvif_fill_frags(queue, skb); + + if (unlikely(skb_has_frag_list(skb))) { ++ struct sk_buff *nskb = skb_shinfo(skb)->frag_list; ++ xenvif_skb_zerocopy_prepare(queue, nskb); + if (xenvif_handle_frag_list(queue, skb)) { + if (net_ratelimit()) + netdev_err(queue->vif->dev, +@@ -1155,6 +1152,9 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) + kfree_skb(skb); + continue; + } ++ /* Copied all the bits from the frag list -- free it. */ ++ skb_frag_list_init(skb); ++ kfree_skb(nskb); + } + + skb->dev = queue->vif->dev; +diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig +index b8a21d7b25d4..1d81149c9ea4 100644 +--- a/drivers/platform/x86/Kconfig ++++ b/drivers/platform/x86/Kconfig +@@ -945,6 +945,7 @@ config INTEL_OAKTRAIL + config SAMSUNG_Q10 + tristate "Samsung Q10 Extras" + depends on ACPI ++ depends on BACKLIGHT_LCD_SUPPORT + select BACKLIGHT_CLASS_DEVICE + ---help--- + This driver provides support for backlight control on Samsung Q10 +diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c +index 8f77fc0630ce..86a02592b982 100644 +--- a/drivers/s390/net/qeth_core_main.c ++++ b/drivers/s390/net/qeth_core_main.c +@@ -2449,11 +2449,12 @@ out: + return rc; + } + +-static void qeth_free_qdio_out_buf(struct qeth_qdio_out_q *q) ++static void qeth_free_output_queue(struct qeth_qdio_out_q *q) + { + if (!q) + return; + ++ qeth_clear_outq_buffers(q, 1); + qdio_free_buffers(q->qdio_bufs, QDIO_MAX_BUFFERS_PER_Q); + kfree(q); + } +@@ -2526,10 +2527,8 @@ out_freeoutqbufs: + card->qdio.out_qs[i]->bufs[j] = NULL; + } + out_freeoutq: +- while (i > 0) { +- qeth_free_qdio_out_buf(card->qdio.out_qs[--i]); +- qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); +- } ++ while (i > 0) ++ qeth_free_output_queue(card->qdio.out_qs[--i]); + kfree(card->qdio.out_qs); + card->qdio.out_qs = NULL; + out_freepool: +@@ -2562,10 +2561,8 @@ static void qeth_free_qdio_buffers(struct qeth_card *card) + qeth_free_buffer_pool(card); + /* free outbound qdio_qs */ + if (card->qdio.out_qs) { +- for (i = 0; i < card->qdio.no_out_queues; ++i) { +- qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); +- qeth_free_qdio_out_buf(card->qdio.out_qs[i]); +- } ++ for (i = 0; i < card->qdio.no_out_queues; i++) ++ qeth_free_output_queue(card->qdio.out_qs[i]); + kfree(card->qdio.out_qs); + card->qdio.out_qs = NULL; + } +diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c +index fe670b696251..2d9696b3d432 100644 +--- a/drivers/scsi/aacraid/commsup.c ++++ b/drivers/scsi/aacraid/commsup.c +@@ -1179,8 +1179,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) + ADD : DELETE; + break; + } +- case AifBuManagerEvent: +- aac_handle_aif_bu(dev, aifcmd); ++ break; ++ case AifBuManagerEvent: ++ aac_handle_aif_bu(dev, aifcmd); + break; + } + +diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c +index 50c71678a156..ae93f45f9cd8 100644 +--- a/drivers/scsi/libfc/fc_lport.c ++++ b/drivers/scsi/libfc/fc_lport.c +@@ -1736,14 +1736,14 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, + fc_frame_payload_op(fp) != ELS_LS_ACC) { + FC_LPORT_DBG(lport, "FLOGI not accepted or bad response\n"); + fc_lport_error(lport, fp); +- goto err; ++ goto out; + } + + flp = fc_frame_payload_get(fp, sizeof(*flp)); + if (!flp) { + FC_LPORT_DBG(lport, "FLOGI bad response\n"); + fc_lport_error(lport, fp); +- goto err; ++ goto out; + } + + mfs = ntohs(flp->fl_csp.sp_bb_data) & +@@ -1753,7 +1753,7 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, + FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, " + "lport->mfs:%hu\n", mfs, lport->mfs); + fc_lport_error(lport, fp); +- goto err; ++ goto out; + } + + if (mfs <= lport->mfs) { +diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c +index 2cc82ed6433a..91f5c951850f 100644 +--- a/drivers/soc/fsl/qbman/qman.c ++++ b/drivers/soc/fsl/qbman/qman.c +@@ -1073,18 +1073,19 @@ static void qm_mr_process_task(struct work_struct *work); + static irqreturn_t portal_isr(int irq, void *ptr) + { + struct qman_portal *p = ptr; +- +- u32 clear = QM_DQAVAIL_MASK | p->irq_sources; + u32 is = qm_in(&p->p, QM_REG_ISR) & p->irq_sources; ++ u32 clear = 0; + + if (unlikely(!is)) + return IRQ_NONE; + + /* DQRR-handling if it's interrupt-driven */ +- if (is & QM_PIRQ_DQRI) ++ if (is & QM_PIRQ_DQRI) { + __poll_portal_fast(p, QMAN_POLL_LIMIT); ++ clear = QM_DQAVAIL_MASK | QM_PIRQ_DQRI; ++ } + /* Handling of anything else that's interrupt-driven */ +- clear |= __poll_portal_slow(p, is); ++ clear |= __poll_portal_slow(p, is) & QM_PIRQ_SLOW; + qm_out(&p->p, QM_REG_ISR, clear); + return IRQ_HANDLED; + } +diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c +index d270a424ecac..22c481f2ae4f 100644 +--- a/drivers/staging/android/ion/ion_system_heap.c ++++ b/drivers/staging/android/ion/ion_system_heap.c +@@ -307,10 +307,10 @@ static int ion_system_heap_create_pools(struct ion_page_pool **pools, + bool cached) + { + int i; +- gfp_t gfp_flags = low_order_gfp_flags; + + for (i = 0; i < NUM_ORDERS; i++) { + struct ion_page_pool *pool; ++ gfp_t gfp_flags = low_order_gfp_flags; + + if (orders[i] > 4) + gfp_flags = high_order_gfp_flags; +diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c +index 0dcb826a9f1f..723bdd2c2c74 100644 +--- a/drivers/staging/comedi/drivers/ni_660x.c ++++ b/drivers/staging/comedi/drivers/ni_660x.c +@@ -606,6 +606,7 @@ static int ni_660x_set_pfi_routing(struct comedi_device *dev, + case NI_660X_PFI_OUTPUT_DIO: + if (chan > 31) + return -EINVAL; ++ break; + default: + return -EINVAL; + } +diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c +index 2e5e3b368532..b7203867ea9d 100644 +--- a/drivers/staging/wilc1000/linux_wlan.c ++++ b/drivers/staging/wilc1000/linux_wlan.c +@@ -1263,8 +1263,8 @@ int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type, + vif->wilc = *wilc; + vif->ndev = ndev; + wl->vif[i] = vif; +- wl->vif_num = i; +- vif->idx = wl->vif_num; ++ wl->vif_num = i + 1; ++ vif->idx = i; + + ndev->netdev_ops = &wilc_netdev_ops; + +diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig +index 125cea1c3c8d..19ce615455c1 100644 +--- a/drivers/usb/phy/Kconfig ++++ b/drivers/usb/phy/Kconfig +@@ -20,7 +20,7 @@ config AB8500_USB + + config FSL_USB2_OTG + bool "Freescale USB OTG Transceiver Driver" +- depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM && PM ++ depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM=y && PM + depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y' + select USB_PHY + help +diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c +index c2b120021443..7bbf2ca73f68 100644 +--- a/drivers/usb/serial/cp210x.c ++++ b/drivers/usb/serial/cp210x.c +@@ -58,6 +58,7 @@ static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */ + { USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */ + { USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */ ++ { USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */ + { USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */ + { USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */ + { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ +diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c +index 2e2f736384ab..b88a72220acd 100644 +--- a/drivers/usb/serial/ftdi_sio.c ++++ b/drivers/usb/serial/ftdi_sio.c +@@ -1020,6 +1020,8 @@ static const struct usb_device_id id_table_combined[] = { + { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) }, + { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) }, + { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, ++ /* EZPrototypes devices */ ++ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, + { } /* Terminating entry */ + }; + +diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h +index 76a10b222ff9..ddf5ab983dc9 100644 +--- a/drivers/usb/serial/ftdi_sio_ids.h ++++ b/drivers/usb/serial/ftdi_sio_ids.h +@@ -1307,6 +1307,12 @@ + #define IONICS_VID 0x1c0c + #define IONICS_PLUGCOMPUTER_PID 0x0102 + ++/* ++ * EZPrototypes (PID reseller) ++ */ ++#define EZPROTOTYPES_VID 0x1c40 ++#define HJELMSLUND_USB485_ISO_PID 0x0477 ++ + /* + * Dresden Elektronik Sensor Terminal Board + */ +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index 7bc2c9fef605..b2b7c12e5c86 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -1147,6 +1147,8 @@ static const struct usb_device_id option_ids[] = { + .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), + .driver_info = NCTRL(0) | RSVD(3) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */ ++ .driver_info = NCTRL(0) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), +diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c +index d8e6d421c27f..2e1f50e467f1 100644 +--- a/fs/autofs4/expire.c ++++ b/fs/autofs4/expire.c +@@ -563,7 +563,6 @@ int autofs4_expire_run(struct super_block *sb, + pkt.len = dentry->d_name.len; + memcpy(pkt.name, dentry->d_name.name, pkt.len); + pkt.name[pkt.len] = '\0'; +- dput(dentry); + + if (copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire))) + ret = -EFAULT; +@@ -576,6 +575,8 @@ int autofs4_expire_run(struct super_block *sb, + complete_all(&ino->expire_complete); + spin_unlock(&sbi->fs_lock); + ++ dput(dentry); ++ + return ret; + } + +diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c +index ce0c6ea96a87..d9a3264909d0 100644 +--- a/fs/autofs4/inode.c ++++ b/fs/autofs4/inode.c +@@ -259,8 +259,10 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) + } + root_inode = autofs4_get_inode(s, S_IFDIR | 0755); + root = d_make_root(root_inode); +- if (!root) ++ if (!root) { ++ ret = -ENOMEM; + goto fail_ino; ++ } + pipe = NULL; + + root->d_fsdata = ino; +diff --git a/fs/buffer.c b/fs/buffer.c +index 5d8f496d624e..e0d46d47e358 100644 +--- a/fs/buffer.c ++++ b/fs/buffer.c +@@ -207,6 +207,7 @@ __find_get_block_slow(struct block_device *bdev, sector_t block) + struct buffer_head *head; + struct page *page; + int all_mapped = 1; ++ static DEFINE_RATELIMIT_STATE(last_warned, HZ, 1); + + index = block >> (PAGE_SHIFT - bd_inode->i_blkbits); + page = find_get_page_flags(bd_mapping, index, FGP_ACCESSED); +@@ -234,15 +235,15 @@ __find_get_block_slow(struct block_device *bdev, sector_t block) + * file io on the block device and getblk. It gets dealt with + * elsewhere, don't buffer_error if we had some unmapped buffers + */ +- if (all_mapped) { +- printk("__find_get_block_slow() failed. " +- "block=%llu, b_blocknr=%llu\n", +- (unsigned long long)block, +- (unsigned long long)bh->b_blocknr); +- printk("b_state=0x%08lx, b_size=%zu\n", +- bh->b_state, bh->b_size); +- printk("device %pg blocksize: %d\n", bdev, +- 1 << bd_inode->i_blkbits); ++ ratelimit_set_flags(&last_warned, RATELIMIT_MSG_ON_RELEASE); ++ if (all_mapped && __ratelimit(&last_warned)) { ++ printk("__find_get_block_slow() failed. block=%llu, " ++ "b_blocknr=%llu, b_state=0x%08lx, b_size=%zu, " ++ "device %pg blocksize: %d\n", ++ (unsigned long long)block, ++ (unsigned long long)bh->b_blocknr, ++ bh->b_state, bh->b_size, bdev, ++ 1 << bd_inode->i_blkbits); + } + out_unlock: + spin_unlock(&bd_mapping->private_lock); +diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h +index 1e1449ad00e8..1af7afae3ad1 100644 +--- a/fs/cifs/smb2pdu.h ++++ b/fs/cifs/smb2pdu.h +@@ -84,8 +84,8 @@ + + #define NUMBER_OF_SMB2_COMMANDS 0x0013 + +-/* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */ +-#define MAX_SMB2_HDR_SIZE 0x00b0 ++/* 52 transform hdr + 64 hdr + 88 create rsp */ ++#define MAX_SMB2_HDR_SIZE 204 + + #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) + #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) +diff --git a/fs/drop_caches.c b/fs/drop_caches.c +index d72d52b90433..280460fef066 100644 +--- a/fs/drop_caches.c ++++ b/fs/drop_caches.c +@@ -20,8 +20,13 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused) + spin_lock(&sb->s_inode_list_lock); + list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { + spin_lock(&inode->i_lock); ++ /* ++ * We must skip inodes in unusual state. We may also skip ++ * inodes without pages but we deliberately won't in case ++ * we need to reschedule to avoid softlockups. ++ */ + if ((inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW)) || +- (inode->i_mapping->nrpages == 0)) { ++ (inode->i_mapping->nrpages == 0 && !need_resched())) { + spin_unlock(&inode->i_lock); + continue; + } +@@ -29,6 +34,7 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused) + spin_unlock(&inode->i_lock); + spin_unlock(&sb->s_inode_list_lock); + ++ cond_resched(); + invalidate_mapping_pages(inode->i_mapping, 0, -1); + iput(toput_inode); + toput_inode = inode; +diff --git a/fs/exec.c b/fs/exec.c +index fcd8642ef2d2..81477116035d 100644 +--- a/fs/exec.c ++++ b/fs/exec.c +@@ -938,7 +938,7 @@ int kernel_read_file(struct file *file, void **buf, loff_t *size, + i_size - pos); + if (bytes < 0) { + ret = bytes; +- goto out; ++ goto out_free; + } + + if (bytes == 0) +diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c +index f53c139c312e..001487b230b5 100644 +--- a/fs/hugetlbfs/inode.c ++++ b/fs/hugetlbfs/inode.c +@@ -861,6 +861,18 @@ static int hugetlbfs_migrate_page(struct address_space *mapping, + rc = migrate_huge_page_move_mapping(mapping, newpage, page); + if (rc != MIGRATEPAGE_SUCCESS) + return rc; ++ ++ /* ++ * page_private is subpool pointer in hugetlb pages. Transfer to ++ * new page. PagePrivate is not associated with page_private for ++ * hugetlb pages and can not be set here as only page_huge_active ++ * pages can be migrated. ++ */ ++ if (page_private(page)) { ++ set_page_private(newpage, page_private(page)); ++ set_page_private(page, 0); ++ } ++ + migrate_page_copy(newpage, page); + + return MIGRATEPAGE_SUCCESS; +diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c +index 0a3f9b594602..37779ed3f790 100644 +--- a/fs/ncpfs/ioctl.c ++++ b/fs/ncpfs/ioctl.c +@@ -233,7 +233,7 @@ ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg) + len = strlen(server->nls_vol->charset); + if (len > NCP_IOCSNAME_LEN) + len = NCP_IOCSNAME_LEN; +- strncpy(user.codepage, server->nls_vol->charset, len); ++ strscpy(user.codepage, server->nls_vol->charset, NCP_IOCSNAME_LEN); + user.codepage[len] = 0; + } + +@@ -243,7 +243,7 @@ ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg) + len = strlen(server->nls_io->charset); + if (len > NCP_IOCSNAME_LEN) + len = NCP_IOCSNAME_LEN; +- strncpy(user.iocharset, server->nls_io->charset, len); ++ strscpy(user.iocharset, server->nls_io->charset, NCP_IOCSNAME_LEN); + user.iocharset[len] = 0; + } + mutex_unlock(&server->root_setup_lock); +diff --git a/fs/nfs/super.c b/fs/nfs/super.c +index 35aef192a13f..659ad12e33ba 100644 +--- a/fs/nfs/super.c ++++ b/fs/nfs/super.c +@@ -1904,6 +1904,11 @@ static int nfs_parse_devname(const char *dev_name, + size_t len; + char *end; + ++ if (unlikely(!dev_name || !*dev_name)) { ++ dfprintk(MOUNT, "NFS: device name not specified\n"); ++ return -EINVAL; ++ } ++ + /* Is the host name protected with square brakcets? */ + if (*dev_name == '[') { + end = strchr(++dev_name, ']'); +diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h +index cebecff536a3..c5fb6f871930 100644 +--- a/include/drm/drm_cache.h ++++ b/include/drm/drm_cache.h +@@ -41,6 +41,24 @@ static inline bool drm_arch_can_wc_memory(void) + return false; + #elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3) + return false; ++#elif defined(CONFIG_ARM) || defined(CONFIG_ARM64) ++ /* ++ * The DRM driver stack is designed to work with cache coherent devices ++ * only, but permits an optimization to be enabled in some cases, where ++ * for some buffers, both the CPU and the GPU use uncached mappings, ++ * removing the need for DMA snooping and allocation in the CPU caches. ++ * ++ * The use of uncached GPU mappings relies on the correct implementation ++ * of the PCIe NoSnoop TLP attribute by the platform, otherwise the GPU ++ * will use cached mappings nonetheless. On x86 platforms, this does not ++ * seem to matter, as uncached CPU mappings will snoop the caches in any ++ * case. However, on ARM and arm64, enabling this optimization on a ++ * platform where NoSnoop is ignored results in loss of coherency, which ++ * breaks correct operation of the device. Since we have no way of ++ * detecting whether NoSnoop works or not, just disable this ++ * optimization entirely for ARM and arm64. ++ */ ++ return false; + #else + return true; + #endif +diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h +index 32dc0cbd51ca..9d9e0b54f831 100644 +--- a/include/linux/cpufreq.h ++++ b/include/linux/cpufreq.h +@@ -234,20 +234,12 @@ __ATTR(_name, _perm, show_##_name, NULL) + static struct freq_attr _name = \ + __ATTR(_name, 0644, show_##_name, store_##_name) + +-struct global_attr { +- struct attribute attr; +- ssize_t (*show)(struct kobject *kobj, +- struct attribute *attr, char *buf); +- ssize_t (*store)(struct kobject *a, struct attribute *b, +- const char *c, size_t count); +-}; +- + #define define_one_global_ro(_name) \ +-static struct global_attr _name = \ ++static struct kobj_attribute _name = \ + __ATTR(_name, 0444, show_##_name, NULL) + + #define define_one_global_rw(_name) \ +-static struct global_attr _name = \ ++static struct kobj_attribute _name = \ + __ATTR(_name, 0644, show_##_name, store_##_name) + + +diff --git a/include/net/icmp.h b/include/net/icmp.h +index 3ef2743a8eec..8665bf24e3b7 100644 +--- a/include/net/icmp.h ++++ b/include/net/icmp.h +@@ -22,6 +22,7 @@ + + #include <net/inet_sock.h> + #include <net/snmp.h> ++#include <net/ip.h> + + struct icmp_err { + int errno; +@@ -39,7 +40,13 @@ struct net_proto_family; + struct sk_buff; + struct net; + +-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info); ++void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, ++ const struct ip_options *opt); ++static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) ++{ ++ __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt); ++} ++ + int icmp_rcv(struct sk_buff *skb); + void icmp_err(struct sk_buff *skb, u32 info); + int icmp_init(void); +diff --git a/include/net/ip.h b/include/net/ip.h +index 8646da034851..f06cd30bb44c 100644 +--- a/include/net/ip.h ++++ b/include/net/ip.h +@@ -570,6 +570,8 @@ static inline int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb) + } + + void ip_options_fragment(struct sk_buff *skb); ++int __ip_options_compile(struct net *net, struct ip_options *opt, ++ struct sk_buff *skb, __be32 *info); + int ip_options_compile(struct net *net, struct ip_options *opt, + struct sk_buff *skb); + int ip_options_get(struct net *net, struct ip_options_rcu **optp, +diff --git a/kernel/events/core.c b/kernel/events/core.c +index 17339506f9f8..5cbb2eda80b5 100644 +--- a/kernel/events/core.c ++++ b/kernel/events/core.c +@@ -428,18 +428,18 @@ int perf_proc_update_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) + { +- int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); +- +- if (ret || !write) +- return ret; +- ++ int ret; ++ int perf_cpu = sysctl_perf_cpu_time_max_percent; + /* + * If throttling is disabled don't allow the write: + */ +- if (sysctl_perf_cpu_time_max_percent == 100 || +- sysctl_perf_cpu_time_max_percent == 0) ++ if (write && (perf_cpu == 100 || perf_cpu == 0)) + return -EINVAL; + ++ ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); ++ if (ret || !write) ++ return ret; ++ + max_samples_per_tick = DIV_ROUND_UP(sysctl_perf_event_sample_rate, HZ); + perf_sample_period_ns = NSEC_PER_SEC / sysctl_perf_event_sample_rate; + update_perf_cpu_limits(); +diff --git a/kernel/futex.c b/kernel/futex.c +index 053d7be08be5..30fe0432c46d 100644 +--- a/kernel/futex.c ++++ b/kernel/futex.c +@@ -2966,10 +2966,13 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, + */ + WARN_ON(!q.pi_state); + pi_mutex = &q.pi_state->pi_mutex; +- ret = rt_mutex_finish_proxy_lock(pi_mutex, to, &rt_waiter); +- debug_rt_mutex_free_waiter(&rt_waiter); ++ ret = rt_mutex_wait_proxy_lock(pi_mutex, to, &rt_waiter); + + spin_lock(q.lock_ptr); ++ if (ret && !rt_mutex_cleanup_proxy_lock(pi_mutex, &rt_waiter)) ++ ret = 0; ++ ++ debug_rt_mutex_free_waiter(&rt_waiter); + /* + * Fixup the pi_state owner and possibly acquire the lock if we + * haven't already. +diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c +index 196cc460e38d..7615e7722258 100644 +--- a/kernel/locking/rtmutex.c ++++ b/kernel/locking/rtmutex.c +@@ -1746,21 +1746,23 @@ struct task_struct *rt_mutex_next_owner(struct rt_mutex *lock) + } + + /** +- * rt_mutex_finish_proxy_lock() - Complete lock acquisition ++ * rt_mutex_wait_proxy_lock() - Wait for lock acquisition + * @lock: the rt_mutex we were woken on + * @to: the timeout, null if none. hrtimer should already have + * been started. + * @waiter: the pre-initialized rt_mutex_waiter + * +- * Complete the lock acquisition started our behalf by another thread. ++ * Wait for the the lock acquisition started on our behalf by ++ * rt_mutex_start_proxy_lock(). Upon failure, the caller must call ++ * rt_mutex_cleanup_proxy_lock(). + * + * Returns: + * 0 - success + * <0 - error, one of -EINTR, -ETIMEDOUT + * +- * Special API call for PI-futex requeue support ++ * Special API call for PI-futex support + */ +-int rt_mutex_finish_proxy_lock(struct rt_mutex *lock, ++int rt_mutex_wait_proxy_lock(struct rt_mutex *lock, + struct hrtimer_sleeper *to, + struct rt_mutex_waiter *waiter) + { +@@ -1773,9 +1775,6 @@ int rt_mutex_finish_proxy_lock(struct rt_mutex *lock, + /* sleep on the mutex */ + ret = __rt_mutex_slowlock(lock, TASK_INTERRUPTIBLE, to, waiter); + +- if (unlikely(ret)) +- remove_waiter(lock, waiter); +- + /* + * try_to_take_rt_mutex() sets the waiter bit unconditionally. We might + * have to fix that up. +@@ -1786,3 +1785,42 @@ int rt_mutex_finish_proxy_lock(struct rt_mutex *lock, + + return ret; + } ++ ++/** ++ * rt_mutex_cleanup_proxy_lock() - Cleanup failed lock acquisition ++ * @lock: the rt_mutex we were woken on ++ * @waiter: the pre-initialized rt_mutex_waiter ++ * ++ * Attempt to clean up after a failed rt_mutex_wait_proxy_lock(). ++ * ++ * Unless we acquired the lock; we're still enqueued on the wait-list and can ++ * in fact still be granted ownership until we're removed. Therefore we can ++ * find we are in fact the owner and must disregard the ++ * rt_mutex_wait_proxy_lock() failure. ++ * ++ * Returns: ++ * true - did the cleanup, we done. ++ * false - we acquired the lock after rt_mutex_wait_proxy_lock() returned, ++ * caller should disregards its return value. ++ * ++ * Special API call for PI-futex support ++ */ ++bool rt_mutex_cleanup_proxy_lock(struct rt_mutex *lock, ++ struct rt_mutex_waiter *waiter) ++{ ++ bool cleanup = false; ++ ++ raw_spin_lock_irq(&lock->wait_lock); ++ /* ++ * Unless we're the owner; we're still enqueued on the wait_list. ++ * So check if we became owner, if not, take us off the wait_list. ++ */ ++ if (rt_mutex_owner(lock) != current) { ++ remove_waiter(lock, waiter); ++ fixup_rt_mutex_waiters(lock); ++ cleanup = true; ++ } ++ raw_spin_unlock_irq(&lock->wait_lock); ++ ++ return cleanup; ++} +diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h +index 50848b460851..14cbafed0014 100644 +--- a/kernel/locking/rtmutex_common.h ++++ b/kernel/locking/rtmutex_common.h +@@ -107,9 +107,11 @@ extern void rt_mutex_proxy_unlock(struct rt_mutex *lock, + extern int rt_mutex_start_proxy_lock(struct rt_mutex *lock, + struct rt_mutex_waiter *waiter, + struct task_struct *task); +-extern int rt_mutex_finish_proxy_lock(struct rt_mutex *lock, +- struct hrtimer_sleeper *to, +- struct rt_mutex_waiter *waiter); ++extern int rt_mutex_wait_proxy_lock(struct rt_mutex *lock, ++ struct hrtimer_sleeper *to, ++ struct rt_mutex_waiter *waiter); ++extern bool rt_mutex_cleanup_proxy_lock(struct rt_mutex *lock, ++ struct rt_mutex_waiter *waiter); + extern int rt_mutex_timed_futex_lock(struct rt_mutex *l, struct hrtimer_sleeper *to); + extern bool rt_mutex_futex_unlock(struct rt_mutex *lock, + struct wake_q_head *wqh); +diff --git a/mm/hugetlb.c b/mm/hugetlb.c +index 3e50fcfe6ad8..8b682da98d95 100644 +--- a/mm/hugetlb.c ++++ b/mm/hugetlb.c +@@ -3579,7 +3579,6 @@ retry_avoidcopy: + copy_user_huge_page(new_page, old_page, address, vma, + pages_per_huge_page(h)); + __SetPageUptodate(new_page); +- set_page_huge_active(new_page); + + mmun_start = address & huge_page_mask(h); + mmun_end = mmun_start + huge_page_size(h); +@@ -3601,6 +3600,7 @@ retry_avoidcopy: + make_huge_pte(vma, new_page, 1)); + page_remove_rmap(old_page, true); + hugepage_add_new_anon_rmap(new_page, vma, address); ++ set_page_huge_active(new_page); + /* Make the old page be freed below */ + new_page = old_page; + } +@@ -3683,6 +3683,7 @@ static int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma, + struct page *page; + pte_t new_pte; + spinlock_t *ptl; ++ bool new_page = false; + + /* + * Currently, we are forced to kill the process in the event the +@@ -3716,7 +3717,7 @@ retry: + } + clear_huge_page(page, address, pages_per_huge_page(h)); + __SetPageUptodate(page); +- set_page_huge_active(page); ++ new_page = true; + + if (vma->vm_flags & VM_MAYSHARE) { + int err = huge_add_to_page_cache(page, mapping, idx); +@@ -3788,6 +3789,15 @@ retry: + } + + spin_unlock(ptl); ++ ++ /* ++ * Only make newly allocated pages active. Existing pages found ++ * in the pagecache could be !page_huge_active() if they have been ++ * isolated for migration. ++ */ ++ if (new_page) ++ set_page_huge_active(page); ++ + unlock_page(page); + out: + return ret; +diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c +index e4c271298074..b4c8d7b9ab82 100644 +--- a/mm/memory_hotplug.c ++++ b/mm/memory_hotplug.c +@@ -1471,7 +1471,8 @@ static struct page *next_active_pageblock(struct page *page) + bool is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) + { + struct page *page = pfn_to_page(start_pfn); +- struct page *end_page = page + nr_pages; ++ unsigned long end_pfn = min(start_pfn + nr_pages, zone_end_pfn(page_zone(page))); ++ struct page *end_page = pfn_to_page(end_pfn); + + /* Check the starting page of each pageblock within the range */ + for (; page < end_page; page = next_active_pageblock(page)) { +@@ -1511,6 +1512,9 @@ int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn, + i++; + if (i == MAX_ORDER_NR_PAGES || pfn + i >= end_pfn) + continue; ++ /* Check if we got outside of the zone */ ++ if (zone && !zone_spans_pfn(zone, pfn + i)) ++ return 0; + page = pfn_to_page(pfn + i); + if (zone && page_zone(page) != zone) + return 0; +diff --git a/mm/migrate.c b/mm/migrate.c +index b08c1a4a1c22..b810ac1359f0 100644 +--- a/mm/migrate.c ++++ b/mm/migrate.c +@@ -1234,6 +1234,16 @@ static int unmap_and_move_huge_page(new_page_t get_new_page, + lock_page(hpage); + } + ++ /* ++ * Check for pages which are in the process of being freed. Without ++ * page_mapping() set, hugetlbfs specific move page routine will not ++ * be called and we could leak usage counts for subpools. ++ */ ++ if (page_private(hpage) && !page_mapping(hpage)) { ++ rc = -EBUSY; ++ goto out_unlock; ++ } ++ + if (PageAnon(hpage)) + anon_vma = page_get_anon_vma(hpage); + +@@ -1265,6 +1275,7 @@ put_anon: + set_page_owner_migrate_reason(new_hpage, reason); + } + ++out_unlock: + unlock_page(hpage); + out: + if (rc != -EAGAIN) +diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c +index 6e4f34721080..3333693d8052 100644 +--- a/net/core/net-sysfs.c ++++ b/net/core/net-sysfs.c +@@ -1380,6 +1380,9 @@ static int register_queue_kobjects(struct net_device *dev) + error: + netdev_queue_update_kobjects(dev, txq, 0); + net_rx_queue_update_kobjects(dev, rxq, 0); ++#ifdef CONFIG_SYSFS ++ kset_unregister(dev->queues_kset); ++#endif + return error; + } + +diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c +index 571d079e262f..71bcab94c5c7 100644 +--- a/net/ipv4/cipso_ipv4.c ++++ b/net/ipv4/cipso_ipv4.c +@@ -667,7 +667,8 @@ static int cipso_v4_map_lvl_valid(const struct cipso_v4_doi *doi_def, u8 level) + case CIPSO_V4_MAP_PASS: + return 0; + case CIPSO_V4_MAP_TRANS: +- if (doi_def->map.std->lvl.cipso[level] < CIPSO_V4_INV_LVL) ++ if ((level < doi_def->map.std->lvl.cipso_size) && ++ (doi_def->map.std->lvl.cipso[level] < CIPSO_V4_INV_LVL)) + return 0; + break; + } +@@ -1735,13 +1736,26 @@ validate_return: + */ + void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway) + { ++ unsigned char optbuf[sizeof(struct ip_options) + 40]; ++ struct ip_options *opt = (struct ip_options *)optbuf; ++ + if (ip_hdr(skb)->protocol == IPPROTO_ICMP || error != -EACCES) + return; + ++ /* ++ * We might be called above the IP layer, ++ * so we can not use icmp_send and IPCB here. ++ */ ++ ++ memset(opt, 0, sizeof(struct ip_options)); ++ opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr); ++ if (__ip_options_compile(dev_net(skb->dev), opt, skb, NULL)) ++ return; ++ + if (gateway) +- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0); ++ __icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, opt); + else +- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0); ++ __icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0, opt); + } + + /** +diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c +index 31f17f0bbd1c..172d3dfed0c4 100644 +--- a/net/ipv4/icmp.c ++++ b/net/ipv4/icmp.c +@@ -565,7 +565,8 @@ relookup_failed: + * MUST reply to only the first fragment. + */ + +-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) ++void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, ++ const struct ip_options *opt) + { + struct iphdr *iph; + int room; +@@ -679,7 +680,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) + iph->tos; + mark = IP4_REPLY_MARK(net, skb_in->mark); + +- if (ip_options_echo(&icmp_param->replyopts.opt.opt, skb_in)) ++ if (__ip_options_echo(&icmp_param->replyopts.opt.opt, skb_in, opt)) + goto out_unlock; + + +@@ -731,7 +732,7 @@ out_free: + kfree(icmp_param); + out:; + } +-EXPORT_SYMBOL(icmp_send); ++EXPORT_SYMBOL(__icmp_send); + + + static void icmp_socket_deliver(struct sk_buff *skb, u32 info) +diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c +index 4d158ff1def1..4cd3b5ad9cee 100644 +--- a/net/ipv4/ip_options.c ++++ b/net/ipv4/ip_options.c +@@ -253,8 +253,9 @@ static void spec_dst_fill(__be32 *spec_dst, struct sk_buff *skb) + * If opt == NULL, then skb->data should point to IP header. + */ + +-int ip_options_compile(struct net *net, +- struct ip_options *opt, struct sk_buff *skb) ++int __ip_options_compile(struct net *net, ++ struct ip_options *opt, struct sk_buff *skb, ++ __be32 *info) + { + __be32 spec_dst = htonl(INADDR_ANY); + unsigned char *pp_ptr = NULL; +@@ -470,11 +471,22 @@ eol: + return 0; + + error: +- if (skb) { +- icmp_send(skb, ICMP_PARAMETERPROB, 0, htonl((pp_ptr-iph)<<24)); +- } ++ if (info) ++ *info = htonl((pp_ptr-iph)<<24); + return -EINVAL; + } ++ ++int ip_options_compile(struct net *net, ++ struct ip_options *opt, struct sk_buff *skb) ++{ ++ int ret; ++ __be32 info; ++ ++ ret = __ip_options_compile(net, opt, skb, &info); ++ if (ret != 0 && skb) ++ icmp_send(skb, ICMP_PARAMETERPROB, 0, info); ++ return ret; ++} + EXPORT_SYMBOL(ip_options_compile); + + /* +diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c +index cbff0d6ff1ac..270e79f4d40e 100644 +--- a/net/ipv4/ip_vti.c ++++ b/net/ipv4/ip_vti.c +@@ -74,6 +74,33 @@ drop: + return 0; + } + ++static int vti_input_ipip(struct sk_buff *skb, int nexthdr, __be32 spi, ++ int encap_type) ++{ ++ struct ip_tunnel *tunnel; ++ const struct iphdr *iph = ip_hdr(skb); ++ struct net *net = dev_net(skb->dev); ++ struct ip_tunnel_net *itn = net_generic(net, vti_net_id); ++ ++ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY, ++ iph->saddr, iph->daddr, 0); ++ if (tunnel) { ++ if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) ++ goto drop; ++ ++ XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = tunnel; ++ ++ skb->dev = tunnel->dev; ++ ++ return xfrm_input(skb, nexthdr, spi, encap_type); ++ } ++ ++ return -EINVAL; ++drop: ++ kfree_skb(skb); ++ return 0; ++} ++ + static int vti_rcv(struct sk_buff *skb) + { + XFRM_SPI_SKB_CB(skb)->family = AF_INET; +@@ -82,6 +109,14 @@ static int vti_rcv(struct sk_buff *skb) + return vti_input(skb, ip_hdr(skb)->protocol, 0, 0); + } + ++static int vti_rcv_ipip(struct sk_buff *skb) ++{ ++ XFRM_SPI_SKB_CB(skb)->family = AF_INET; ++ XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr); ++ ++ return vti_input_ipip(skb, ip_hdr(skb)->protocol, ip_hdr(skb)->saddr, 0); ++} ++ + static int vti_rcv_cb(struct sk_buff *skb, int err) + { + unsigned short family; +@@ -439,6 +474,12 @@ static struct xfrm4_protocol vti_ipcomp4_protocol __read_mostly = { + .priority = 100, + }; + ++static struct xfrm_tunnel ipip_handler __read_mostly = { ++ .handler = vti_rcv_ipip, ++ .err_handler = vti4_err, ++ .priority = 0, ++}; ++ + static int __net_init vti_init_net(struct net *net) + { + int err; +@@ -622,6 +663,13 @@ static int __init vti_init(void) + if (err < 0) + goto xfrm_proto_comp_failed; + ++ msg = "ipip tunnel"; ++ err = xfrm4_tunnel_register(&ipip_handler, AF_INET); ++ if (err < 0) { ++ pr_info("%s: cant't register tunnel\n",__func__); ++ goto xfrm_tunnel_failed; ++ } ++ + msg = "netlink interface"; + err = rtnl_link_register(&vti_link_ops); + if (err < 0) +@@ -631,6 +679,8 @@ static int __init vti_init(void) + + rtnl_link_failed: + xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP); ++xfrm_tunnel_failed: ++ xfrm4_tunnel_deregister(&ipip_handler, AF_INET); + xfrm_proto_comp_failed: + xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH); + xfrm_proto_ah_failed: +diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c +index ad597b4b22a0..41f67629ae59 100644 +--- a/net/ipv6/ip6mr.c ++++ b/net/ipv6/ip6mr.c +@@ -1992,10 +1992,10 @@ int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg) + + static inline int ip6mr_forward2_finish(struct net *net, struct sock *sk, struct sk_buff *skb) + { +- __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), +- IPSTATS_MIB_OUTFORWDATAGRAMS); +- __IP6_ADD_STATS(net, ip6_dst_idev(skb_dst(skb)), +- IPSTATS_MIB_OUTOCTETS, skb->len); ++ IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), ++ IPSTATS_MIB_OUTFORWDATAGRAMS); ++ IP6_ADD_STATS(net, ip6_dst_idev(skb_dst(skb)), ++ IPSTATS_MIB_OUTOCTETS, skb->len); + return dst_output(net, sk, skb); + } + +diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c +index 4381ea53fa91..75de3dd8b862 100644 +--- a/net/ipv6/sit.c ++++ b/net/ipv6/sit.c +@@ -1851,6 +1851,7 @@ static int __net_init sit_init_net(struct net *net) + + err_reg_dev: + ipip6_dev_free(sitn->fb_tunnel_dev); ++ free_netdev(sitn->fb_tunnel_dev); + err_alloc_dev: + return err; + } +diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c +index 8382b7880b24..8037b25ddb76 100644 +--- a/net/netfilter/ipvs/ip_vs_ctl.c ++++ b/net/netfilter/ipvs/ip_vs_ctl.c +@@ -2258,6 +2258,18 @@ static int ip_vs_set_timeout(struct netns_ipvs *ipvs, struct ip_vs_timeout_user + u->tcp_fin_timeout, + u->udp_timeout); + ++#ifdef CONFIG_IP_VS_PROTO_TCP ++ if (u->tcp_timeout < 0 || u->tcp_timeout > (INT_MAX / HZ) || ++ u->tcp_fin_timeout < 0 || u->tcp_fin_timeout > (INT_MAX / HZ)) { ++ return -EINVAL; ++ } ++#endif ++ ++#ifdef CONFIG_IP_VS_PROTO_UDP ++ if (u->udp_timeout < 0 || u->udp_timeout > (INT_MAX / HZ)) ++ return -EINVAL; ++#endif ++ + #ifdef CONFIG_IP_VS_PROTO_TCP + if (u->tcp_timeout) { + pd = ip_vs_proto_data_get(ipvs, IPPROTO_TCP); +diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c +index 19b3f4fbea52..df1d5618b008 100644 +--- a/net/netfilter/nf_conntrack_core.c ++++ b/net/netfilter/nf_conntrack_core.c +@@ -855,6 +855,22 @@ nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, + } + + if (nf_ct_key_equal(h, tuple, zone, net)) { ++ /* Tuple is taken already, so caller will need to find ++ * a new source port to use. ++ * ++ * Only exception: ++ * If the *original tuples* are identical, then both ++ * conntracks refer to the same flow. ++ * This is a rare situation, it can occur e.g. when ++ * more than one UDP packet is sent from same socket ++ * in different threads. ++ * ++ * Let nf_ct_resolve_clash() deal with this later. ++ */ ++ if (nf_ct_tuple_equal(&ignored_conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple, ++ &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple)) ++ continue; ++ + NF_CT_STAT_INC_ATOMIC(net, found); + rcu_read_unlock(); + return 1; +diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c +index 28c56b95fb7f..cb9d1d1210cb 100644 +--- a/net/netlabel/netlabel_kapi.c ++++ b/net/netlabel/netlabel_kapi.c +@@ -903,7 +903,8 @@ int netlbl_bitmap_walk(const unsigned char *bitmap, u32 bitmap_len, + (state == 0 && (byte & bitmask) == 0)) + return bit_spot; + +- bit_spot++; ++ if (++bit_spot >= bitmap_len) ++ return -1; + bitmask >>= 1; + if (bitmask == 0) { + byte = bitmap[++byte_offset]; +diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c +index 04759a0c3273..6ba829f2df91 100644 +--- a/net/nfc/llcp_commands.c ++++ b/net/nfc/llcp_commands.c +@@ -419,6 +419,10 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock) + sock->service_name, + sock->service_name_len, + &service_name_tlv_length); ++ if (!service_name_tlv) { ++ err = -ENOMEM; ++ goto error_tlv; ++ } + size += service_name_tlv_length; + } + +@@ -429,9 +433,17 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock) + + miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&miux, 0, + &miux_tlv_length); ++ if (!miux_tlv) { ++ err = -ENOMEM; ++ goto error_tlv; ++ } + size += miux_tlv_length; + + rw_tlv = nfc_llcp_build_tlv(LLCP_TLV_RW, &rw, 0, &rw_tlv_length); ++ if (!rw_tlv) { ++ err = -ENOMEM; ++ goto error_tlv; ++ } + size += rw_tlv_length; + + pr_debug("SKB size %d SN length %zu\n", size, sock->service_name_len); +@@ -484,9 +496,17 @@ int nfc_llcp_send_cc(struct nfc_llcp_sock *sock) + + miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&miux, 0, + &miux_tlv_length); ++ if (!miux_tlv) { ++ err = -ENOMEM; ++ goto error_tlv; ++ } + size += miux_tlv_length; + + rw_tlv = nfc_llcp_build_tlv(LLCP_TLV_RW, &rw, 0, &rw_tlv_length); ++ if (!rw_tlv) { ++ err = -ENOMEM; ++ goto error_tlv; ++ } + size += rw_tlv_length; + + skb = llcp_allocate_pdu(sock, LLCP_PDU_CC, size); +diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c +index e69786c6804c..a121d796fa51 100644 +--- a/net/nfc/llcp_core.c ++++ b/net/nfc/llcp_core.c +@@ -532,10 +532,10 @@ static u8 nfc_llcp_reserve_sdp_ssap(struct nfc_llcp_local *local) + + static int nfc_llcp_build_gb(struct nfc_llcp_local *local) + { +- u8 *gb_cur, *version_tlv, version, version_length; +- u8 *lto_tlv, lto_length; +- u8 *wks_tlv, wks_length; +- u8 *miux_tlv, miux_length; ++ u8 *gb_cur, version, version_length; ++ u8 lto_length, wks_length, miux_length; ++ u8 *version_tlv = NULL, *lto_tlv = NULL, ++ *wks_tlv = NULL, *miux_tlv = NULL; + __be16 wks = cpu_to_be16(local->local_wks); + u8 gb_len = 0; + int ret = 0; +@@ -543,17 +543,33 @@ static int nfc_llcp_build_gb(struct nfc_llcp_local *local) + version = LLCP_VERSION_11; + version_tlv = nfc_llcp_build_tlv(LLCP_TLV_VERSION, &version, + 1, &version_length); ++ if (!version_tlv) { ++ ret = -ENOMEM; ++ goto out; ++ } + gb_len += version_length; + + lto_tlv = nfc_llcp_build_tlv(LLCP_TLV_LTO, &local->lto, 1, <o_length); ++ if (!lto_tlv) { ++ ret = -ENOMEM; ++ goto out; ++ } + gb_len += lto_length; + + pr_debug("Local wks 0x%lx\n", local->local_wks); + wks_tlv = nfc_llcp_build_tlv(LLCP_TLV_WKS, (u8 *)&wks, 2, &wks_length); ++ if (!wks_tlv) { ++ ret = -ENOMEM; ++ goto out; ++ } + gb_len += wks_length; + + miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&local->miux, 0, + &miux_length); ++ if (!miux_tlv) { ++ ret = -ENOMEM; ++ goto out; ++ } + gb_len += miux_length; + + gb_len += ARRAY_SIZE(llcp_magic); +diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c +index 2e417c907a28..e9812e21dbc9 100644 +--- a/net/sched/sch_netem.c ++++ b/net/sched/sch_netem.c +@@ -441,6 +441,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, + int nb = 0; + int count = 1; + int rc = NET_XMIT_SUCCESS; ++ int rc_drop = NET_XMIT_DROP; + + /* Do not fool qdisc_drop_all() */ + skb->prev = NULL; +@@ -480,6 +481,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, + q->duplicate = 0; + rootq->enqueue(skb2, rootq, to_free); + q->duplicate = dupsave; ++ rc_drop = NET_XMIT_SUCCESS; + } + + /* +@@ -492,7 +494,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, + if (skb_is_gso(skb)) { + segs = netem_segment(skb, sch, to_free); + if (!segs) +- return NET_XMIT_DROP; ++ return rc_drop; + } else { + segs = skb; + } +@@ -515,8 +517,10 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, + 1<<(prandom_u32() % 8); + } + +- if (unlikely(sch->q.qlen >= sch->limit)) +- return qdisc_drop_all(skb, sch, to_free); ++ if (unlikely(sch->q.qlen >= sch->limit)) { ++ qdisc_drop_all(skb, sch, to_free); ++ return rc_drop; ++ } + + qdisc_qstats_backlog_inc(sch, skb); + +diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c +index 936d7eee62d0..f66a6010ae07 100644 +--- a/net/vmw_vsock/virtio_transport.c ++++ b/net/vmw_vsock/virtio_transport.c +@@ -71,6 +71,9 @@ static u32 virtio_transport_get_local_cid(void) + { + struct virtio_vsock *vsock = virtio_vsock_get(); + ++ if (!vsock) ++ return VMADDR_CID_ANY; ++ + return vsock->guest_cid; + } + +@@ -495,10 +498,6 @@ static int virtio_vsock_probe(struct virtio_device *vdev) + + virtio_vsock_update_guest_cid(vsock); + +- ret = vsock_core_init(&virtio_transport.transport); +- if (ret < 0) +- goto out_vqs; +- + vsock->rx_buf_nr = 0; + vsock->rx_buf_max_nr = 0; + atomic_set(&vsock->queued_replies, 0); +@@ -526,8 +525,6 @@ static int virtio_vsock_probe(struct virtio_device *vdev) + mutex_unlock(&the_virtio_vsock_mutex); + return 0; + +-out_vqs: +- vsock->vdev->config->del_vqs(vsock->vdev); + out: + kfree(vsock); + mutex_unlock(&the_virtio_vsock_mutex); +@@ -544,6 +541,9 @@ static void virtio_vsock_remove(struct virtio_device *vdev) + flush_work(&vsock->event_work); + flush_work(&vsock->send_pkt_work); + ++ /* Reset all connected sockets when the device disappear */ ++ vsock_for_each_connected_socket(virtio_vsock_reset_sock); ++ + vdev->config->reset(vdev); + + mutex_lock(&vsock->rx_lock); +@@ -567,7 +567,6 @@ static void virtio_vsock_remove(struct virtio_device *vdev) + + mutex_lock(&the_virtio_vsock_mutex); + the_virtio_vsock = NULL; +- vsock_core_exit(); + mutex_unlock(&the_virtio_vsock_mutex); + + vdev->config->del_vqs(vdev); +@@ -600,14 +599,28 @@ static int __init virtio_vsock_init(void) + virtio_vsock_workqueue = alloc_workqueue("virtio_vsock", 0, 0); + if (!virtio_vsock_workqueue) + return -ENOMEM; ++ + ret = register_virtio_driver(&virtio_vsock_driver); + if (ret) +- destroy_workqueue(virtio_vsock_workqueue); ++ goto out_wq; ++ ++ ret = vsock_core_init(&virtio_transport.transport); ++ if (ret) ++ goto out_vdr; ++ ++ return 0; ++ ++out_vdr: ++ unregister_virtio_driver(&virtio_vsock_driver); ++out_wq: ++ destroy_workqueue(virtio_vsock_workqueue); + return ret; ++ + } + + static void __exit virtio_vsock_exit(void) + { ++ vsock_core_exit(); + unregister_virtio_driver(&virtio_vsock_driver); + destroy_workqueue(virtio_vsock_workqueue); + } +diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c +index 2c0b52264a46..a625cb1500f9 100644 +--- a/tools/perf/util/cpumap.c ++++ b/tools/perf/util/cpumap.c +@@ -129,7 +129,12 @@ struct cpu_map *cpu_map__new(const char *cpu_list) + if (!cpu_list) + return cpu_map__read_all_cpu_map(); + +- if (!isdigit(*cpu_list)) ++ /* ++ * must handle the case of empty cpumap to cover ++ * TOPOLOGY header for NUMA nodes with no CPU ++ * ( e.g., because of CPU hotplug) ++ */ ++ if (!isdigit(*cpu_list) && *cpu_list != '\0') + goto out; + + while (isdigit(*cpu_list)) { +@@ -176,8 +181,10 @@ struct cpu_map *cpu_map__new(const char *cpu_list) + + if (nr_cpus > 0) + cpus = cpu_map__trim_new(nr_cpus, tmp_cpus); +- else ++ else if (*cpu_list != '\0') + cpus = cpu_map__default_new(); ++ else ++ cpus = cpu_map__dummy_new(); + invalid: + free(tmp_cpus); + out: +diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c +index adbc6c02c3aa..20ba5a9aeae4 100644 +--- a/tools/perf/util/symbol-elf.c ++++ b/tools/perf/util/symbol-elf.c +@@ -85,6 +85,11 @@ static inline uint8_t elf_sym__type(const GElf_Sym *sym) + return GELF_ST_TYPE(sym->st_info); + } + ++static inline uint8_t elf_sym__visibility(const GElf_Sym *sym) ++{ ++ return GELF_ST_VISIBILITY(sym->st_other); ++} ++ + #ifndef STT_GNU_IFUNC + #define STT_GNU_IFUNC 10 + #endif +@@ -109,7 +114,9 @@ static inline int elf_sym__is_label(const GElf_Sym *sym) + return elf_sym__type(sym) == STT_NOTYPE && + sym->st_name != 0 && + sym->st_shndx != SHN_UNDEF && +- sym->st_shndx != SHN_ABS; ++ sym->st_shndx != SHN_ABS && ++ elf_sym__visibility(sym) != STV_HIDDEN && ++ elf_sym__visibility(sym) != STV_INTERNAL; + } + + static bool elf_sym__is_a(GElf_Sym *sym, enum map_type type) +diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile +index 47ed6cef93fb..c9ff2b47bd1c 100644 +--- a/tools/testing/selftests/netfilter/Makefile ++++ b/tools/testing/selftests/netfilter/Makefile +@@ -1,6 +1,6 @@ + # SPDX-License-Identifier: GPL-2.0 + # Makefile for netfilter selftests + +-TEST_PROGS := nft_trans_stress.sh ++TEST_PROGS := nft_trans_stress.sh nft_nat.sh + + include ../lib.mk +diff --git a/tools/testing/selftests/netfilter/config b/tools/testing/selftests/netfilter/config +index 1017313e41a8..59caa8f71cd8 100644 +--- a/tools/testing/selftests/netfilter/config ++++ b/tools/testing/selftests/netfilter/config +@@ -1,2 +1,2 @@ + CONFIG_NET_NS=y +-NF_TABLES_INET=y ++CONFIG_NF_TABLES_INET=y +diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh +new file mode 100755 +index 000000000000..8ec76681605c +--- /dev/null ++++ b/tools/testing/selftests/netfilter/nft_nat.sh +@@ -0,0 +1,762 @@ ++#!/bin/bash ++# ++# This test is for basic NAT functionality: snat, dnat, redirect, masquerade. ++# ++ ++# Kselftest framework requirement - SKIP code is 4. ++ksft_skip=4 ++ret=0 ++ ++nft --version > /dev/null 2>&1 ++if [ $? -ne 0 ];then ++ echo "SKIP: Could not run test without nft tool" ++ exit $ksft_skip ++fi ++ ++ip -Version > /dev/null 2>&1 ++if [ $? -ne 0 ];then ++ echo "SKIP: Could not run test without ip tool" ++ exit $ksft_skip ++fi ++ ++ip netns add ns0 ++ip netns add ns1 ++ip netns add ns2 ++ ++ip link add veth0 netns ns0 type veth peer name eth0 netns ns1 ++ip link add veth1 netns ns0 type veth peer name eth0 netns ns2 ++ ++ip -net ns0 link set lo up ++ip -net ns0 link set veth0 up ++ip -net ns0 addr add 10.0.1.1/24 dev veth0 ++ip -net ns0 addr add dead:1::1/64 dev veth0 ++ ++ip -net ns0 link set veth1 up ++ip -net ns0 addr add 10.0.2.1/24 dev veth1 ++ip -net ns0 addr add dead:2::1/64 dev veth1 ++ ++for i in 1 2; do ++ ip -net ns$i link set lo up ++ ip -net ns$i link set eth0 up ++ ip -net ns$i addr add 10.0.$i.99/24 dev eth0 ++ ip -net ns$i route add default via 10.0.$i.1 ++ ip -net ns$i addr add dead:$i::99/64 dev eth0 ++ ip -net ns$i route add default via dead:$i::1 ++done ++ ++bad_counter() ++{ ++ local ns=$1 ++ local counter=$2 ++ local expect=$3 ++ ++ echo "ERROR: $counter counter in $ns has unexpected value (expected $expect)" 1>&2 ++ ip netns exec $ns nft list counter inet filter $counter 1>&2 ++} ++ ++check_counters() ++{ ++ ns=$1 ++ local lret=0 ++ ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0in | grep -q "packets 1 bytes 84") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0in "packets 1 bytes 84" ++ lret=1 ++ fi ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0out | grep -q "packets 1 bytes 84") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0out "packets 1 bytes 84" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0in6 | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0in6 "$expect" ++ lret=1 ++ fi ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0out6 | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0out6 "$expect" ++ lret=1 ++ fi ++ ++ return $lret ++} ++ ++check_ns0_counters() ++{ ++ local ns=$1 ++ local lret=0 ++ ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0in | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0in "packets 0 bytes 0" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0in6 | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0in6 "packets 0 bytes 0" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0out | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0out "packets 0 bytes 0" ++ lret=1 ++ fi ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0out6 | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0out6 "packets 0 bytes 0" ++ lret=1 ++ fi ++ ++ for dir in "in" "out" ; do ++ expect="packets 1 bytes 84" ++ cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 $ns$dir "$expect" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir}6 | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 $ns$dir6 "$expect" ++ lret=1 ++ fi ++ done ++ ++ return $lret ++} ++ ++reset_counters() ++{ ++ for i in 0 1 2;do ++ ip netns exec ns$i nft reset counters inet > /dev/null ++ done ++} ++ ++test_local_dnat6() ++{ ++ local lret=0 ++ip netns exec ns0 nft -f - <<EOF ++table ip6 nat { ++ chain output { ++ type nat hook output priority 0; policy accept; ++ ip6 daddr dead:1::99 dnat to dead:2::99 ++ } ++} ++EOF ++ if [ $? -ne 0 ]; then ++ echo "SKIP: Could not add add ip6 dnat hook" ++ return $ksft_skip ++ fi ++ ++ # ping netns1, expect rewrite to netns2 ++ ip netns exec ns0 ping -q -c 1 dead:1::99 > /dev/null ++ if [ $? -ne 0 ]; then ++ lret=1 ++ echo "ERROR: ping6 failed" ++ return $lret ++ fi ++ ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 0 count in ns1 ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 1 packet in ns2 ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ test $lret -eq 0 && echo "PASS: ipv6 ping to ns1 was NATted to ns2" ++ ip netns exec ns0 nft flush chain ip6 nat output ++ ++ return $lret ++} ++ ++test_local_dnat() ++{ ++ local lret=0 ++ip netns exec ns0 nft -f - <<EOF ++table ip nat { ++ chain output { ++ type nat hook output priority 0; policy accept; ++ ip daddr 10.0.1.99 dnat to 10.0.2.99 ++ } ++} ++EOF ++ # ping netns1, expect rewrite to netns2 ++ ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null ++ if [ $? -ne 0 ]; then ++ lret=1 ++ echo "ERROR: ping failed" ++ return $lret ++ fi ++ ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 0 count in ns1 ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 1 packet in ns2 ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ test $lret -eq 0 && echo "PASS: ping to ns1 was NATted to ns2" ++ ++ ip netns exec ns0 nft flush chain ip nat output ++ ++ reset_counters ++ ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null ++ if [ $? -ne 0 ]; then ++ lret=1 ++ echo "ERROR: ping failed" ++ return $lret ++ fi ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 1 count in ns1 ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 0 packet in ns2 ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ test $lret -eq 0 && echo "PASS: ping to ns1 OK after nat output chain flush" ++ ++ return $lret ++} ++ ++ ++test_masquerade6() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 via ipv6" ++ return 1 ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add masquerading rule ++ip netns exec ns0 nft -f - <<EOF ++table ip6 nat { ++ chain postrouting { ++ type nat hook postrouting priority 0; policy accept; ++ meta oif veth0 masquerade ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerading" ++ lret=1 ++ fi ++ ++ # ns1 should have seen packets from ns0, due to masquerade ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns1 should not have seen packets from ns2, due to masquerade ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft flush chain ip6 nat postrouting ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not flush ip6 nat postrouting" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IPv6 masquerade for ns2" ++ ++ return $lret ++} ++ ++test_masquerade() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null ++ ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: canot ping ns1 from ns2" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add masquerading rule ++ip netns exec ns0 nft -f - <<EOF ++table ip nat { ++ chain postrouting { ++ type nat hook postrouting priority 0; policy accept; ++ meta oif veth0 masquerade ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ip masquerading" ++ lret=1 ++ fi ++ ++ # ns1 should have seen packets from ns0, due to masquerade ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns1 should not have seen packets from ns2, due to masquerade ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft flush chain ip nat postrouting ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not flush nat postrouting" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IP masquerade for ns2" ++ ++ return $lret ++} ++ ++test_redirect6() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannnot ping ns1 from ns2 via ipv6" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add redirect rule ++ip netns exec ns0 nft -f - <<EOF ++table ip6 nat { ++ chain prerouting { ++ type nat hook prerouting priority 0; policy accept; ++ meta iif veth1 meta l4proto icmpv6 ip6 saddr dead:2::99 ip6 daddr dead:1::99 redirect ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ip6 redirect" ++ lret=1 ++ fi ++ ++ # ns1 should have seen no packets from ns2, due to redirection ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns0 should have seen packets from ns2, due to masquerade ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft delete table ip6 nat ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not delete ip6 nat table" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IPv6 redirection for ns2" ++ ++ return $lret ++} ++ ++test_redirect() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null ++ ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add redirect rule ++ip netns exec ns0 nft -f - <<EOF ++table ip nat { ++ chain prerouting { ++ type nat hook prerouting priority 0; policy accept; ++ meta iif veth1 ip protocol icmp ip saddr 10.0.2.99 ip daddr 10.0.1.99 redirect ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ip redirect" ++ lret=1 ++ fi ++ ++ # ns1 should have seen no packets from ns2, due to redirection ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns0 should have seen packets from ns2, due to masquerade ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft delete table ip nat ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not delete nat table" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IP redirection for ns2" ++ ++ return $lret ++} ++ ++ ++# ip netns exec ns0 ping -c 1 -q 10.0.$i.99 ++for i in 0 1 2; do ++ip netns exec ns$i nft -f - <<EOF ++table inet filter { ++ counter ns0in {} ++ counter ns1in {} ++ counter ns2in {} ++ ++ counter ns0out {} ++ counter ns1out {} ++ counter ns2out {} ++ ++ counter ns0in6 {} ++ counter ns1in6 {} ++ counter ns2in6 {} ++ ++ counter ns0out6 {} ++ counter ns1out6 {} ++ counter ns2out6 {} ++ ++ map nsincounter { ++ type ipv4_addr : counter ++ elements = { 10.0.1.1 : "ns0in", ++ 10.0.2.1 : "ns0in", ++ 10.0.1.99 : "ns1in", ++ 10.0.2.99 : "ns2in" } ++ } ++ ++ map nsincounter6 { ++ type ipv6_addr : counter ++ elements = { dead:1::1 : "ns0in6", ++ dead:2::1 : "ns0in6", ++ dead:1::99 : "ns1in6", ++ dead:2::99 : "ns2in6" } ++ } ++ ++ map nsoutcounter { ++ type ipv4_addr : counter ++ elements = { 10.0.1.1 : "ns0out", ++ 10.0.2.1 : "ns0out", ++ 10.0.1.99: "ns1out", ++ 10.0.2.99: "ns2out" } ++ } ++ ++ map nsoutcounter6 { ++ type ipv6_addr : counter ++ elements = { dead:1::1 : "ns0out6", ++ dead:2::1 : "ns0out6", ++ dead:1::99 : "ns1out6", ++ dead:2::99 : "ns2out6" } ++ } ++ ++ chain input { ++ type filter hook input priority 0; policy accept; ++ counter name ip saddr map @nsincounter ++ icmpv6 type { "echo-request", "echo-reply" } counter name ip6 saddr map @nsincounter6 ++ } ++ chain output { ++ type filter hook output priority 0; policy accept; ++ counter name ip daddr map @nsoutcounter ++ icmpv6 type { "echo-request", "echo-reply" } counter name ip6 daddr map @nsoutcounter6 ++ } ++} ++EOF ++done ++ ++sleep 3 ++# test basic connectivity ++for i in 1 2; do ++ ip netns exec ns0 ping -c 1 -q 10.0.$i.99 > /dev/null ++ if [ $? -ne 0 ];then ++ echo "ERROR: Could not reach other namespace(s)" 1>&2 ++ ret=1 ++ fi ++ ++ ip netns exec ns0 ping -c 1 -q dead:$i::99 > /dev/null ++ if [ $? -ne 0 ];then ++ echo "ERROR: Could not reach other namespace(s) via ipv6" 1>&2 ++ ret=1 ++ fi ++ check_counters ns$i ++ if [ $? -ne 0 ]; then ++ ret=1 ++ fi ++ ++ check_ns0_counters ns$i ++ if [ $? -ne 0 ]; then ++ ret=1 ++ fi ++ reset_counters ++done ++ ++if [ $ret -eq 0 ];then ++ echo "PASS: netns routing/connectivity: ns0 can reach ns1 and ns2" ++fi ++ ++reset_counters ++test_local_dnat ++test_local_dnat6 ++ ++reset_counters ++test_masquerade ++test_masquerade6 ++ ++reset_counters ++test_redirect ++test_redirect6 ++ ++for i in 0 1 2; do ip netns del ns$i;done ++ ++exit $ret
