This bug was fixed in the package linux - 3.13.0-101.148
---------------
linux (3.13.0-101.148) trusty; urgency=low
[ Seth Forshee ]
* Release Tracking Bug
- LP: #1635430
* [arm64] nova instances can't boot with 3.13.0-92 (LP: #1608854)
- Revert "efi: Disable interrupts around EFI calls, not in the epilog/prolog
calls"
- Revert "x86/efi: Use all 64 bit of efi_memmap in setup_e820()"
- Revert "x86/efi: Store upper bits of command line buffer address in
ext_cmd_line_ptr"
- Revert "efivarfs: Ensure VariableName is NUL-terminated"
- Revert "efi/libstub: Fix boundary checking in efi_high_alloc()"
- Revert "arm64: efi: only attempt efi map setup if booting via EFI"
- Revert "UBUNTU: arm64: Implement efi_enabled()"
- Revert "efi/arm64: ignore dtb= when UEFI SecureBoot is enabled"
- Revert "doc: arm64: add description of EFI stub support"
- Revert "UBUNTU: Move get_dram_base to arm private file"
- Revert "arm64: efi: add EFI stub"
- Revert "arm64: add EFI runtime services"
- Revert "efi: Add shared FDT related functions for ARM/ARM64"
- Revert "efi: add helper function to get UEFI params from FDT"
- Revert "doc: efi-stub.txt updates for ARM"
- Revert "efi: Add get_dram_base() helper function"
- Revert "efi: create memory map iteration helper"
- Revert "x86, ia64: Move EFI_FB vga_default_device() initialization to
pci_vga_fixup()"
- Revert "firmware: Do not use WARN_ON(!spin_is_locked())"
- Revert "efi-pstore: Fix an overflow on 32-bit builds"
- Revert "x86/efi: Fix 32-bit fallout"
- Revert "x86/efi: Check krealloc return value"
- Revert "x86/efi: Runtime services virtual mapping"
- Revert "x86/efi: Fix off-by-one bug in EFI Boot Services reservation"
- x86/efi: Simplify EFI_DEBUG
- x86/efi: Runtime services virtual mapping
- x86/efi: Check krealloc return value
- SAUCE: Merge tag 'efi-next' of
git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/efi
- doc: Fix trivial spelling mistake in efi-stub.txt
- x86/efi: Remove unused variables in __map_region()
- x86/efi: Add a wrapper function efi_map_region_fixed()
- x86/efi: Fix off-by-one bug in EFI Boot Services reservation
- x86/efi: Cleanup efi_enter_virtual_mode() function
- efi: Export more EFI table variables to sysfs
- [Config] CONFIG_EFI_RUNTIME_MAP=y
- efi: Export EFI runtime memory mapping to sysfs
- x86/efi: Pass necessary EFI data for kexec via setup_data
- x86/efi: Delete superfluous global variables
- x86/efi: parse_efi_setup() build fix
- SAUCE: Merge tag 'v3.13-rc7' into x86/efi-kexec to resolve conflicts
- x86/efi: Allow mapping BGRT on x86-32
- x86/efi: Fix 32-bit fallout
- x86/efi: Check status field to validate BGRT header
- x86/efi: Quirk out SGI UV
- v3.14 - Bacported EFI up to v3.14
- efi: Move facility flags to struct efi
- efi: Set feature flags inside feature init functions
- efivarfs: 'efivarfs_file_write' function reorganization
- x86/efi: Delete out-of-date comments of efi_query_variable_store
- x86/efi: Style neatening
- x86/efi: Dump the EFI page table
- x86, pageattr: Export page unmapping interface
- x86/efi: Make efi virtual runtime map passing more robust
- x86/efi: Split efi_enter_virtual_mode
- ia64/efi: Implement efi_enabled()
- efi: Use NULL instead of 0 for pointer
- x86, tools: Consolidate #ifdef code
- x86/efi: Delete dead code when checking for non-native
- efi: Add separate 32-bit/64-bit definitions
- x86/efi: Build our own EFI services pointer table
- x86/efi: Add early thunk code to go from 64-bit to 32-bit
- x86/efi: Firmware agnostic handover entry points
- [Config] CONFIG_EFI_MIXED=y
- x86/efi: Wire up CONFIG_EFI_MIXED
- x86/efi: Re-disable interrupts after calling firmware services
- SAUCE: Merge remote-tracking branch 'tip/x86/efi-mixed' into efi-for-mingo
- x86, tools: Fix up compiler warnings
- x86/efi: Preserve segment registers in mixed mode
- x86/efi: Rip out phys_efi_get_time()
- x86/efi: Restore 'attr' argument to query_variable_info()
- SAUCE: merge with v3.15
- fs/efivarfs/super.c: use static const for dentry_operations
- SAUCE: merge with v3.16
- efi: efi-stub-helper cleanup
- efi: create memory map iteration helper
- efi: Add shared printk wrapper for consistent prefixing
- efi: Add get_dram_base() helper function
- efi: x86: Handle arbitrary Unicode characters
- x86/efi: Delete most of the efi_call* macros
- x86/efi: Implement a __efi_call_virt macro
- x86/efi: Save and restore FPU context around efi_calls (x86_64)
- x86/efi: Save and restore FPU context around efi_calls (i386)
- efivars: Use local variables instead of a pointer dereference
- efivars: Check size of user object
- efivars: Stop passing a struct argument to efivar_validate()
- efivars: Refactor sanity checking code into separate function
- efivars: Add compatibility code for compat tasks
- doc: efi-stub.txt updates for ARM
- efi: add helper function to get UEFI params from FDT
- efi: Add shared FDT related functions for ARM/ARM64
- [Config] CONFIG_LIBFDT=y
- arm64: add EFI runtime services
- arm64: efi: add EFI stub
- doc: arm64: add description of EFI stub support
- efi/arm64: ignore dtb= when UEFI SecureBoot is enabled
- arm64: efi: only attempt efi map setup if booting via EFI
- efi-pstore: Fix an overflow on 32-bit builds
- firmware: Do not use WARN_ON(!spin_is_locked())
- x86, ia64: Move EFI_FB vga_default_device() initialization to
pci_vga_fixup()
- efivarfs: Ensure VariableName is NUL-terminated
- x86/efi: Store upper bits of command line buffer address in
ext_cmd_line_ptr
- x86/efi: Use all 64 bit of efi_memmap in setup_e820()
- efi: Disable interrupts around EFI calls, not in the epilog/prolog calls
- x86/efi: Fix boot failure with EFI stub
- x86/efi: Fix boot crash by mapping EFI memmap entries bottom-up at
runtime,
instead of top-down
- efi/libstub: Fix boundary checking in efi_high_alloc()
- efi: Fix compiler warnings (unused, const, type)
- efi: fdt: Do not report an error during boot if UEFI is not available
- efi: Make our variable validation list include the guid
- lib/ucs2_string: Add ucs2 -> utf8 helper functions
- efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
- efi/reboot: Add generic wrapper around EfiResetSystem()
- efi/arm64: efistub: remove local copy of linux_banner
- x86/reboot: Add EFI reboot quirk for ACPI Hardware Reduced flag
- efi/reboot: Allow powering off machines using EFI
- efi: Fix error handling in add_sysfs_runtime_map_entry()
- efi: Small leak on error in runtime map code
- arm64/efi: map the entire UEFI vendor string before reading it
- arm64/efi: add missing call to early_ioremap_reset()
- efi/arm64: Store Runtime Services revision
- SAUCE: UEFI: Add secure_modules() call
- SAUCE: UEFI: PCI: Lock down BAR access when module security is enabled
- SAUCE: UEFI: x86: Lock down IO port access when module security is enabled
- SAUCE: UEFI: ACPI: Limit access to custom_method
- SAUCE: UEFI: asus-wmi: Restrict debugfs interface when module loading is
restricted
- SAUCE: UEFI: Restrict /dev/mem and /dev/kmem when module loading is
restricted
- SAUCE: UEFI: acpi: Ignore acpi_rsdp kernel parameter when module loading
is
restricted
- SAUCE: UEFI: kexec: Disable at runtime if the kernel enforces module
loading
restrictions
- SAUCE: UEFI: x86: Restrict MSR access when module loading is restricted
- [Config] CONFIG_EFI_SECURE_BOOT_SIG_ENFORCE=y
- SAUCE: UEFI: Add option to automatically enforce module signatures when in
Secure Boot mode
- SAUCE: UEFI: efi: Make EFI_SECURE_BOOT_SIG_ENFORCE depend on EFI
- SAUCE: UEFI MODSIGN: Import certificates from UEFI Secure Boot
- SAUCE: UEFI: efi: Disable secure boot if shim is in insecure mode
- SAUCE: UEFI: Display MOKSBState when disabled
- SAUCE: UEFI: Add secure boot and MOK SB State disabled sysctl
- SAUCE: UEFI: Set EFI_SECURE_BOOT bit in x86_efi_facility
- Revert "x86/efi: Save and restore FPU context around efi_calls (x86_64)"
- [Config] CONFIG_RTC_DRV_EFI=y
* proc_keys_show crash when reading /proc/keys (LP: #1634496)
- KEYS: ensure xbuf is large enough to fix buffer overflow in proc_keys_show
(LP: #1634496)
* [Trusty->Yakkety] powerpc/64: Fix incorrect return value from
__copy_tofrom_user (LP: #1632462)
- SAUCE: (no-up) powerpc/64: Fix incorrect return value from
__copy_tofrom_user
* Ubuntu 16.10: Oops panic in move_page_tables/page_remove_rmap after running
memory_stress_ng. (LP: #1628976)
- SAUCE: (no-up) powerpc/pseries: Fix stack corruption in htpe code
* sha1-powerpc returning wrong results (LP: #1629977)
- crypto: sha1-powerpc - little-endian support
* linux: Implement secure boot state variables (LP: #1593075)
- SAUCE: UEFI: Add secure boot and MOK SB State disabled sysctl
- SAUCE: UEFI: Set EFI_SECURE_BOOT bit in x86_efi_facility
* linux: MokSBState is ignored (LP: #1571691)
- SAUCE: UEFI MODSIGN: Import certificates from UEFI Secure Boot
- SAUCE: UEFI: efi: Disable secure boot if shim is in insecure mode
- SAUCE: UEFI: Display MOKSBState when disabled
* linux: Enforce signed module loading when UEFI secure boot (LP: #1566221)
- SAUCE: UEFI: Add secure_modules() call
- SAUCE: UEFI: PCI: Lock down BAR access when module security is enabled
- SAUCE: UEFI: x86: Lock down IO port access when module security is enabled
- SAUCE: UEFI: ACPI: Limit access to custom_method
- SAUCE: UEFI: asus-wmi: Restrict debugfs interface when module loading is
restricted
- SAUCE: UEFI: Restrict /dev/mem and /dev/kmem when module loading is
restricted
- SAUCE: UEFI: acpi: Ignore acpi_rsdp kernel parameter when module loading
is
restricted
- SAUCE: UEFI: kexec: Disable at runtime if the kernel enforces module
loading
restrictions
- SAUCE: UEFI: x86: Restrict MSR access when module loading is restricted
- SAUCE: UEFI: Add option to automatically enforce module signatures when in
Secure Boot mode
- SAUCE: UEFI: efi: Make EFI_SECURE_BOOT_SIG_ENFORCE depend on EFI
- SAUCE: UEFI MODSIGN: Import certificates from UEFI Secure Boot
- SAUCE: UEFI: efi: Disable secure boot if shim is in insecure mode
- SAUCE: UEFI: Display MOKSBState when disabled
* Utopic update to 3.16.7-ckt5 stable release (LP: #1419125)
- arm64/efi: add missing call to early_ioremap_reset()
* Trusty update to 3.16.7-ckt17 stable release (LP: #1500484)
- arm64/efi: map the entire UEFI vendor string before reading it
* Utopic update to 3.16.7-ckt8 stable release (LP: #1434595)
- efi: Small leak on error in runtime map code
* Utopic update to 3.16.7-ckt12 stable release (LP: #1465613)
- efi/reboot: Add generic wrapper around EfiResetSystem()
- x86/reboot: Add EFI reboot quirk for ACPI Hardware Reduced flag
- efi/reboot: Allow powering off machines using EFI
- efi: Fix error handling in add_sysfs_runtime_map_entry()
* Trusty update to 3.16.7-ckt26 stable release (LP: #1563345)
- efi: Make our variable validation list include the guid
- lib/ucs2_string: Add ucs2 -> utf8 helper functions
- efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
* Utopic update to 3.16.7-ckt9 stable release (LP: #1441317)
- efi/libstub: Fix boundary checking in efi_high_alloc()
* Trusty update to 3.16.7-ckt19 stable release (LP: #1514911)
- x86/efi: Fix boot crash by mapping EFI memmap entries bottom-up at
runtime,
instead of top-down
* Boot failure with EFI stub (LP: #1603476)
- x86/efi: Fix boot failure with EFI stub
* Trusty update to v3.13.11-ckt33 stable release (LP: #1538756)
- efi: Disable interrupts around EFI calls, not in the epilog/prolog calls
* Trusty update to 3.13.11-ckt26 stable release (LP: #1493305)
- x86/efi: Use all 64 bit of efi_memmap in setup_e820()
* Trusty update to v3.13.11.9 stable release (LP: #1381234)
- x86, ia64: Move EFI_FB vga_default_device() initialization to
pci_vga_fixup()
* CVE-2015-7833
- usbvision: revert commit 588afcc1
* CVE-2014-9904
- ALSA: compress: fix an integer overflow check
* CVE-2015-3288
- mm: avoid setting up anonymous pages into file mapping
* CVE-2016-3961 (LP: #1571020)
- mm: hugetlb: allow hugepages_supported to be architecture specific
- s390/hugetlb: add hugepages_supported define
- x86/mm/xen: Suppress hugetlbfs in PV guests
-- Seth Forshee <seth.fors...@canonical.com> Thu, 20 Oct 2016 16:50:48
-0500
** Changed in: linux (Ubuntu Trusty)
Status: Fix Committed => Fix Released
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2014-9904
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-3288
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-7833
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3961
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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1628976
Title:
Ubuntu 16.10: Oops panic in move_page_tables/page_remove_rmap after
running memory_stress_ng.
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Xenial:
Fix Committed
Status in linux source package in Yakkety:
Fix Committed
Bug description:
FYI Canonical:
We have been seeing various page handling issues during memory stress
in the 4.8 kernels. The following is the most recent issue resulting
in system panics on this host after the 4.8.0-17 update:
== Comment: #17 - PAVITHRA R. PRAKASH - 2016-09-28 06:26:21 ==
Hi,
Tried running on 4.8.0-17-generic kernel. Getting below call trace and
system crashes. Attaching logs.
[ 2959.364333] Unable to handle kernel paging request for data at address
0xf000000002fe4020
[ 2959.364345] Faulting instruction address: 0xc0000000002bb2a0
[ 2959.364356] Oops: Kernel access of bad area, sig: 11 [#1]
[ 2959.364364] SMP NR_CPUS=2048 NUMA pSeries
[ 2959.364377] Modules linked in: rpadlpar_io rpaphp dccp_diag dccp tcp_diag
udp_diag inet_diag unix_diag af_packet_diag netlink_diag bnx2x mdio libcrc32c
pseries_rng vmx_crypto binfmt_misc ip_tables x_tables autofs4 ibmvscsi
crc32c_vpmsum
[ 2959.364441] CPU: 13 PID: 108 Comm: oom_reaper Not tainted 4.8.0-17-generic
#19-Ubuntu
[ 2959.364452] task: c0000004fbdf9c00 task.stack: c0000004fbe00000
[ 2959.364461] NIP: c0000000002bb2a0 LR: c000000000300618 CTR:
c00000000009ca40
[ 2959.364471] REGS: c0000004fbe036e0 TRAP: 0300 Not tainted
(4.8.0-17-generic)
[ 2959.364481] MSR: 800000010280b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE,TM[E]>
CR: 24028844 XER: 2000000c
[ 2959.364526] CFAR: c000000000300614 DAR: f000000002fe4020 DSISR: 40000000
SOFTE: 1
GPR00: c000000000300618 c0000004fbe03960 c0000000014e5e00
f000000002fe4000
GPR04: 0000000000000001 0000000000000800 0000000000000000
c000000001665e00
GPR08: 00000000f900a196 0000000000000001 0000000002fe4000
0000000000000000
GPR12: 0000000000008800 c000000001b37500 0008000000000000
c1ffffffffffe7ff
GPR16: c0000004f62a55f0 00003fff9a000000 00003fff99000000
0000000000000000
GPR20: c0000004fbe03b80 c0000004e0713800 8e017c33020000c0
0000000000010000
GPR24: c0000000fb3614c8 c0000000fce9d990 c0000000fce9d6e4
96a100f90b000040
GPR28: f000000002fe4000 c0000000fb3614c8 0000000000000001
f000000002fe4000
[ 2959.364673] NIP [c0000000002bb2a0] page_remove_rmap+0x30/0x4b0
[ 2959.364685] LR [c000000000300618] zap_huge_pmd+0xf8/0x480
[ 2959.364692] Call Trace:
[ 2959.364699] [c0000004fbe03960] [c0000004fbe039a0] 0xc0000004fbe039a0
(unreliable)
[ 2959.364714] [c0000004fbe039a0] [c000000000300618] zap_huge_pmd+0xf8/0x480
[ 2959.364726] [c0000004fbe039f0] [c0000000002a68d8]
unmap_page_range+0xd08/0xee0
[ 2959.364740] [c0000004fbe03b20] [c00000000025c474]
__oom_reap_task+0x204/0x2c0
[ 2959.364752] [c0000004fbe03c80] [c00000000025cda8] oom_reaper+0x1e8/0x300
[ 2959.364765] [c0000004fbe03d80] [c0000000000fd120] kthread+0x110/0x130
[ 2959.364778] [c0000004fbe03e30] [c0000000000098f0]
ret_from_kernel_thread+0x5c/0x6c
[ 2959.364788] Instruction dump:
[ 2959.364796] 3c4c0123 3842ab90 7c0802a6 fba1ffe8 fbc1fff0 fbe1fff8 f8010010
f821ffc1
[ 2959.364821] 7c7f1b78 7c9e2378 60000000 60000000 <e95f0020> 71480001
392affff 40820008
[ 2959.364871] ---[ end trace 178b14c6911b70dc ]---
[ 2959.372762]
[ 2959.372798] Sending IPI to other CPUs
[ 2959.373834] IPI complete
Thanks,
Pavithra
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