[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Changed in: linux (Ubuntu Disco) Status: Fix Committed => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Released Status in linux source package in Bionic: Fix Released Status in linux source package in Disco: Won't Fix Status in linux source package in Eoan: Fix Released Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Released Status in linux source package in Bionic: Fix Released Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Released Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
This bug was fixed in the package linux - 4.4.0-176.206 --- linux (4.4.0-176.206) xenial; urgency=medium * xenial/linux: 4.4.0-176.206 -proposed tracker (LP: #1865106) * CVE-2020-2732 - x86/vdso: Use RDPID in preference to LSL when available - KVM: x86: emulate RDPID - KVM: nVMX: Don't emulate instructions in guest mode - KVM: nVMX: Refactor IO bitmap checks into helper function - KVM: nVMX: Check IO instruction VM-exit conditions linux (4.4.0-175.205) xenial; urgency=medium * xenial/linux: 4.4.0-175.205 -proposed tracker (LP: #1863338) * run_afpackettests in ubuntu_kernel_selftests failed with "./in_netns.sh: Permission denied" (LP: #1861973) - [Debian] autoreconstruct - add resoration of execute permissions * pty03 from pty in ubuntu_ltp failed on Eoan (LP: #1862114) - can, slip: Protect tty->disc_data in write_wakeup and close with RCU -- Khalid Elmously Thu, 27 Feb 2020 23:41:44 -0500 ** Changed in: linux (Ubuntu Xenial) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Fix Released Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Released Status in linux source package in Bionic: Fix Released Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Released Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
This bug was fixed in the package linux - 4.15.0-91.92 --- linux (4.15.0-91.92) bionic; urgency=medium * bionic/linux: 4.15.0-91.92 -proposed tracker (LP: #1865109) * CVE-2020-2732 - KVM: x86: emulate RDPID - KVM: nVMX: Don't emulate instructions in guest mode - KVM: nVMX: Refactor IO bitmap checks into helper function - KVM: nVMX: Check IO instruction VM-exit conditions linux (4.15.0-90.91) bionic; urgency=medium * bionic/linux: 4.15.0-90.91 -proposed tracker (LP: #1864753) * dkms artifacts may expire from the pool (LP: #1850958) - [Packaging] autoreconstruct -- manage executable debian files - [packaging] handle downloads from the librarian better linux (4.15.0-90.90) bionic; urgency=medium * bionic/linux: 4.15.0-90.90 -proposed tracker (LP: #1864753) * vm-segv from ubuntu_stress_smoke_test failed on B (LP: #1864063) - Revert "apparmor: don't try to replace stale label in ptrace access check" linux (4.15.0-89.89) bionic; urgency=medium * bionic/linux: 4.15.0-89.89 -proposed tracker (LP: #1863350) * [SRU][B/OEM-B] Fix multitouch support on some devices (LP: #1862567) - HID: core: move the dynamic quirks handling in core - HID: quirks: move the list of special devices into a quirk - HID: core: move the list of ignored devices in hid-quirks.c - HID: core: remove the absolute need of hid_have_special_driver[] * [linux] Patch to prevent possible data corruption (LP: #1848739) - blk-mq: silence false positive warnings in hctx_unlock() * Add bpftool to linux-tools-common (LP: #1774815) - tools/bpftool: fix bpftool build with bintutils >= 2.9 - bpftool: make libbfd optional - [Debian] Remove binutils-dev build dependency - [Debian] package bpftool in linux-tools-common * Root can lift kernel lockdown via USB/IP (LP: #1861238) - Revert "UBUNTU: SAUCE: (efi-lockdown) Add a SysRq option to lift kernel lockdown" * [Bionic] i915 incomplete fix for CVE-2019-14615 (LP: #1862840) // CVE-2020-8832 - drm/i915: Use same test for eviction and submitting kernel context - drm/i915: Define an engine class enum for the uABI - drm/i915: Force the switch to the i915->kernel_context - drm/i915: Move GT powersaving init to i915_gem_init() - drm/i915: Move intel_init_clock_gating() to i915_gem_init() - drm/i915: Inline intel_modeset_gem_init() - drm/i915: Mark the context state as dirty/written - drm/i915: Record the default hw state after reset upon load * Bionic update: upstream stable patchset 2020-02-12 (LP: #1863019) - xfs: Sanity check flags of Q_XQUOTARM call - mfd: intel-lpss: Add default I2C device properties for Gemini Lake - powerpc/archrandom: fix arch_get_random_seed_int() - tipc: fix wrong timeout input for tipc_wait_for_cond() - mt7601u: fix bbp version check in mt7601u_wait_bbp_ready - crypto: sun4i-ss - fix big endian issues - drm/sti: do not remove the drm_bridge that was never added - drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset() - ALSA: hda: fix unused variable warning - apparmor: don't try to replace stale label in ptrace access check - PCI: iproc: Remove PAXC slot check to allow VF support - drm/hisilicon: hibmc: Don't overwrite fb helper surface depth - IB/rxe: replace kvfree with vfree - IB/hfi1: Add mtu check for operational data VLs - ALSA: usb-audio: update quirk for B PX to remove microphone - staging: comedi: ni_mio_common: protect register write overflow - pwm: lpss: Release runtime-pm reference from the driver's remove callback - drm/sun4i: hdmi: Fix double flag assignation - mlxsw: reg: QEEC: Add minimum shaper fields - NTB: ntb_hw_idt: replace IS_ERR_OR_NULL with regular NULL checks - pcrypt: use format specifier in kobject_add - exportfs: fix 'passing zero to ERR_PTR()' warning - drm/dp_mst: Skip validating ports during destruction, just ref - net: phy: Fix not to call phy_resume() if PHY is not attached - IB/rxe: Fix incorrect cache cleanup in error flow - staging: bcm2835-camera: Abort probe if there is no camera - switchtec: Remove immediate status check after submitting MRPC command - pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group - pinctrl: sh-pfc: r8a7740: Add missing LCD0 marks to lcd0_data24_1 group - pinctrl: sh-pfc: r8a7791: Remove bogus ctrl marks from qspi_data4_b group - pinctrl: sh-pfc: r8a7791: Remove bogus marks from vin1_b_data18 group - pinctrl: sh-pfc: sh73a0: Add missing TO pin to tpu4_to3 group - pinctrl: sh-pfc: r8a7794: Remove bogus IPSR9 field - pinctrl: sh-pfc: sh7734: Add missing IPSR11 field - pinctrl: sh-pfc: r8a77995: Remove bogus SEL_PWM[0-3]_3 configurations - pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field - pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value - vxlan: changelink: Fix handling of default remotes -
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
This bug was fixed in the package linux - 5.3.0-42.34 --- linux (5.3.0-42.34) eoan; urgency=medium * eoan/linux: 5.3.0-42.34 -proposed tracker (LP: #1865111) * CVE-2020-2732 - KVM: nVMX: Don't emulate instructions in guest mode - KVM: nVMX: Refactor IO bitmap checks into helper function - KVM: nVMX: Check IO instruction VM-exit conditions linux (5.3.0-41.33) eoan; urgency=medium * eoan/linux: 5.3.0-41.33 -proposed tracker (LP: #1863294) * CVE-2019-3016 - x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit - x86/kvm: Introduce kvm_(un)map_gfn() - x86/kvm: Cache gfn to pfn translation - x86/KVM: Make sure KVM_VCPU_FLUSH_TLB flag is not missed - x86/KVM: Clean up host's steal time structure * Reduce s2idle power consumption when ethernet cable is connected on e1000e (LP: #1859126) - e1000e: Add support for S0ix * alsa/sof: let legacy hda driver and sof driver co-exist (LP: #1837828) - ASoC: Intel: Skylake: move NHLT header to common directory - ALSA: hda: move parts of NHLT code to new module - ALSA: hda: intel-nhlt: handle NHLT VENDOR_DEFINED DMIC geometry - ASoC: Intel: Skylake: use common NHLT module - ALSA: hda/intel: stop probe if DMICS are detected on Skylake+ platforms - [Config] Enable SND_HDA_INTEL_DETECT_DMIC * USB key cannot be detected by hotplug on Sunix USB Type-A 3.1 Gen 2 card [1b21:2142] (LP: #1858988) - SAUCE: PCI: Avoid ASMedia XHCI USB PME# from D0 defect * ipsec interfaces: fix sending with bpf_redirect() / AF_PACKET sockets (LP: #1860969) - vti[6]: fix packet tx through bpf_redirect() - xfrm interface: fix packet tx through bpf_redirect() * peripheral devices on Dell WD19TB cannot be detected after suspend resume (LP: #1859407) - PCI: irq: Introduce rearm_wake_irq() - ACPICA: Return u32 from acpi_dispatch_gpe() - ACPI: EC: Return bool from acpi_ec_dispatch_gpe() - ACPI: PM: Set s2idle_wakeup earlier and clear it later - PM: sleep: Simplify suspend-to-idle control flow - ACPI: EC: Rework flushing of pending work * Dell XPS 13 (7390) Display Flickering - 19.10 (LP: #1849947) - SAUCE: drm/i915: Disable PSR by default on all platforms * Root can lift kernel lockdown via USB/IP (LP: #1861238) - Revert "UBUNTU: SAUCE: (efi-lockdown) Add a SysRq option to lift kernel lockdown" * [CML-H] Add intel_thermal_pch driver support Comet Lake -H (LP: #1853219) - thermal: intel: intel_pch_thermal: Add Comet Lake (CML) platform support * Eoan update: upstream stable patchset 2020-02-07 (LP: #1862429) - ARM: dts: meson8: fix the size of the PMU registers - clk: qcom: gcc-sdm845: Add missing flag to votable GDSCs - dt-bindings: reset: meson8b: fix duplicate reset IDs - ARM: dts: imx6q-dhcom: fix rtc compatible - clk: Don't try to enable critical clocks if prepare failed - ASoC: msm8916-wcd-digital: Reset RX interpolation path after use - iio: buffer: align the size of scan bytes to size of the largest element - USB: serial: simple: Add Motorola Solutions TETRA MTP3xxx and MTP85xx - USB: serial: option: Add support for Quectel RM500Q - USB: serial: opticon: fix control-message timeouts - USB: serial: option: add support for Quectel RM500Q in QDL mode - USB: serial: suppress driver bind attributes - USB: serial: ch341: handle unbound port at reset_resume - USB: serial: io_edgeport: handle unbound ports on URB completion - USB: serial: io_edgeport: add missing active-port sanity check - USB: serial: keyspan: handle unbound ports - USB: serial: quatech2: handle unbound ports - scsi: fnic: fix invalid stack access - scsi: mptfusion: Fix double fetch bug in ioctl - ASoC: msm8916-wcd-analog: Fix selected events for MIC BIAS External1 - ASoC: msm8916-wcd-analog: Fix MIC BIAS Internal1 - ARM: dts: imx6q-dhcom: Fix SGTL5000 VDDIO regulator connection - ALSA: dice: fix fallback from protocol extension into limited functionality - ALSA: seq: Fix racy access for queue timer in proc read - ALSA: usb-audio: fix sync-ep altsetting sanity check - arm64: dts: allwinner: a64: olinuxino: Fix SDIO supply regulator - Fix built-in early-load Intel microcode alignment - block: fix an integer overflow in logical block size - ARM: dts: am571x-idk: Fix gpios property to have the correct gpio number - ptrace: reintroduce usage of subjective credentials in ptrace_has_cap() - usb: core: hub: Improved device recognition on remote wakeup - x86/resctrl: Fix an imbalance in domain_remove_cpu() - x86/CPU/AMD: Ensure clearing of SME/SEV features is maintained - x86/efistub: Disable paging at mixed mode entry - drm/i915: Add missing include file - x86/resctrl: Fix potential memory leak - perf hists: Fix variable name's inconsistency in hists__for_each() macro - perf report: Fix incorrectly added dimensions
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Tags added: sru-20200217 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Fix Released Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
Passed with Xenial 4.4.0-176-generic ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial ** Changed in: ubuntu-kernel-tests Status: In Progress => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Fix Released Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
Passed with Eoan 5.3.0-42.34 pty03.c:127: PASS: Did not crash with GSM TTY discipline Summary: passed 9 failed 0 skipped 0 warnings 0 tag=pty03 stime=1583154902 dur=186 exit=exited stat=0 core=no cu=19624 cs=7948 ** Tags removed: verification-needed-eoan ** Tags added: verification-done-eoan -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
Passed with amd64 node amaura on 4.15.0-89.89 ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- eoan' to 'verification-done-eoan'. If the problem still exists, change the tag 'verification-needed-eoan' to 'verification-failed-eoan'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-eoan -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- bionic' to 'verification-done-bionic'. If the problem still exists, change the tag 'verification-needed-bionic' to 'verification-failed- bionic'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- xenial' to 'verification-done-xenial'. If the problem still exists, change the tag 'verification-needed-xenial' to 'verification-failed- xenial'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Changed in: linux (Ubuntu Xenial) Status: In Progress => Fix Committed ** Changed in: linux (Ubuntu Bionic) Status: In Progress => Fix Committed ** Changed in: linux (Ubuntu Disco) Status: In Progress => Fix Committed ** Changed in: linux (Ubuntu Eoan) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: Fix Committed Status in linux source package in Bionic: Fix Committed Status in linux source package in Disco: Fix Committed Status in linux source package in Eoan: Fix Committed Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 == Fixes == Indicated by the test case, this issue can be fixed by: * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU) This patch can be cherry-picked into all of our kernels. == Test == Test kernels could be found here: https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ Tested on KVM nodes and the patched kernels work as expected, there will be no more kernel null pointer dereference issue, and the test can finish properly. == Regression potential == Low, changes limited to two specific drivers for serial line TTY. This issue can be reproduced quite easily and the patched kernels show positive results. == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
https://lists.ubuntu.com/archives/kernel-team/2020-February/107284.html ** Description changed: + == Justification == + The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL + pointer dereference: + + [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 + [ 951.309960] #PF: supervisor write access in kernel mode + [ 951.312130] #PF: error_code(0x0002) - not-present page + [ 951.314227] PGD 0 P4D 0 + [ 951.315278] Oops: 0002 [#1] SMP PTI + [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu + [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 + [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 + + [ 951.352494] Call Trace: + [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] + [ 951.354600] tty_wakeup+0x5b/0x70 + [ 951.355539] pty_unthrottle+0x19/0x30 + [ 951.356560] tty_unthrottle+0x42/0x60 + [ 951.357566] __tty_perform_flush+0x87/0x90 + [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 + [ 951.359955] n_tty_ioctl+0x2d/0x100 + [ 951.360930] tty_ioctl+0x3c0/0x8e0 + [ 951.361882] ? __switch_to_asm+0x34/0x70 + [ 951.363049] ? __switch_to_asm+0x40/0x70 + [ 951.364191] ? __switch_to_asm+0x34/0x70 + [ 951.365261] ? __switch_to_asm+0x40/0x70 + [ 951.366382] ? __switch_to_asm+0x34/0x70 + [ 951.367452] ? __switch_to_asm+0x40/0x70 + [ 951.368523] ? __switch_to_asm+0x34/0x70 + [ 951.369693] ? __switch_to_asm+0x40/0x70 + [ 951.370829] ? __switch_to_asm+0x34/0x70 + [ 951.371923] ? __switch_to_asm+0x40/0x70 + [ 951.372998] ? __switch_to_asm+0x34/0x70 + [ 951.374097] ? __switch_to_asm+0x40/0x70 + [ 951.375183] ? __switch_to_asm+0x34/0x70 + [ 951.376288] ? __switch_to_asm+0x40/0x70 + [ 951.377390] ? __switch_to+0x110/0x470 + [ 951.378863] do_vfs_ioctl+0x407/0x670 + [ 951.380269] ? __schedule+0x2eb/0x740 + [ 951.381761] ksys_ioctl+0x67/0x90 + [ 951.383076] __x64_sys_ioctl+0x1a/0x20 + [ 951.384510] do_syscall_64+0x57/0x190 + [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 + + == Fixes == + Indicated by the test case, this issue can be fixed by: + * 0ace17d5 (can, slip: Protect tty->disc_data in write_wakeup and + close with RCU) + + This patch can be cherry-picked into all of our kernels. + + == Test == + Test kernels could be found here: + https://people.canonical.com/~phlin/kernel/lp-1862114-pty03/ + + Tested on KVM nodes and the patched kernels work as expected, there + will be no more kernel null pointer dereference issue, and the test + can finish properly. + + == Regression potential == + Low, changes limited to two specific drivers for serial line TTY. This + issue can be reproduced quite easily and the patched kernels show + positive results. + + + == Original Bug Report == startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: linux (Ubuntu Eoan) Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: linux (Ubuntu Disco) Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: linux (Ubuntu Xenial) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Disco) Status: New => In Progress ** Changed in: linux (Ubuntu Eoan) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Disco: In Progress Status in linux source package in Eoan: In Progress Bug description: == Justification == The test case pty03 from pty in ubuntu_ltp is failing with kernel NULL pointer dereference: [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Changed in: linux (Ubuntu Bionic) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: ubuntu-kernel-tests Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: ubuntu-kernel-tests Status: Confirmed => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: Confirmed Status in linux source package in Xenial: Confirmed Status in linux source package in Bionic: In Progress Status in linux source package in Disco: New Status in linux source package in Eoan: Confirmed Bug description: startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Also affects: linux (Ubuntu Disco) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Confirmed Status in linux package in Ubuntu: Confirmed Status in linux source package in Xenial: Confirmed Status in linux source package in Bionic: Confirmed Status in linux source package in Disco: New Status in linux source package in Eoan: Confirmed Bug description: startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: Confirmed Status in linux package in Ubuntu: Confirmed Status in linux source package in Xenial: Confirmed Status in linux source package in Bionic: Confirmed Status in linux source package in Eoan: Confirmed Bug description: startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
dmesg output on focal: [ 951.293174] LTP: starting pty03 [ 951.305037] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 951.305038] CSLIP: code copyright 1989 Regents of the University of California. [ 951.305039] SLIP linefill/keepalive option. [ 951.306823] BUG: kernel NULL pointer dereference, address: 0020 [ 951.309960] #PF: supervisor write access in kernel mode [ 951.312130] #PF: error_code(0x0002) - not-present page [ 951.314227] PGD 0 P4D 0 [ 951.315278] Oops: 0002 [#1] SMP PTI [ 951.316705] CPU: 1 PID: 39102 Comm: pty03 Not tainted 5.4.0-12-generic #15-Ubuntu [ 951.319737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 951.322713] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.324175] Code: 75 01 01 e8 b2 05 fe ff 0f 0b e9 c3 fc ff ff 0f 1f 44 00 00 55 48 89 e5 53 9c 58 0f 1f 44 00 00 48 89 c3 fa 66 0f 1f 44 00 00 48 0f ba 2a 00 73 13 45 31 c0 48 89 df 57 9d 0f 1f 44 00 00 44 [ 951.329576] RSP: 0018:ab9380557cb8 EFLAGS: 00010002 [ 951.331197] RAX: 0202 RBX: 0202 RCX: [ 951.58] RDX: 0020 RSI: 8c65fb00ae00 RDI: 2000 [ 951.335566] RBP: ab9380557cc0 R08: 0001 R09: 0006 [ 951.337743] R10: 8c65f8f4cb00 R11: R12: 8c65ea61f550 [ 951.339955] R13: R14: 8c65eda51400 R15: 8c65f9002a00 [ 951.342084] FS: 7f808362a700() GS:8c65fbb0() knlGS: [ 951.32] CS: 0010 DS: ES: CR0: 80050033 [ 951.346163] CR2: 0020 CR3: 00012a64c000 CR4: 06e0 [ 951.348264] DR0: DR1: DR2: [ 951.350422] DR3: DR6: fffe0ff0 DR7: 0400 [ 951.352494] Call Trace: [ 951.353244] slip_write_wakeup+0x25/0x30 [slip] [ 951.354600] tty_wakeup+0x5b/0x70 [ 951.355539] pty_unthrottle+0x19/0x30 [ 951.356560] tty_unthrottle+0x42/0x60 [ 951.357566] __tty_perform_flush+0x87/0x90 [ 951.358768] n_tty_ioctl_helper+0xcc/0x150 [ 951.359955] n_tty_ioctl+0x2d/0x100 [ 951.360930] tty_ioctl+0x3c0/0x8e0 [ 951.361882] ? __switch_to_asm+0x34/0x70 [ 951.363049] ? __switch_to_asm+0x40/0x70 [ 951.364191] ? __switch_to_asm+0x34/0x70 [ 951.365261] ? __switch_to_asm+0x40/0x70 [ 951.366382] ? __switch_to_asm+0x34/0x70 [ 951.367452] ? __switch_to_asm+0x40/0x70 [ 951.368523] ? __switch_to_asm+0x34/0x70 [ 951.369693] ? __switch_to_asm+0x40/0x70 [ 951.370829] ? __switch_to_asm+0x34/0x70 [ 951.371923] ? __switch_to_asm+0x40/0x70 [ 951.372998] ? __switch_to_asm+0x34/0x70 [ 951.374097] ? __switch_to_asm+0x40/0x70 [ 951.375183] ? __switch_to_asm+0x34/0x70 [ 951.376288] ? __switch_to_asm+0x40/0x70 [ 951.377390] ? __switch_to+0x110/0x470 [ 951.378863] do_vfs_ioctl+0x407/0x670 [ 951.380269] ? __schedule+0x2eb/0x740 [ 951.381761] ksys_ioctl+0x67/0x90 [ 951.383076] __x64_sys_ioctl+0x1a/0x20 [ 951.384510] do_syscall_64+0x57/0x190 [ 951.385896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 951.387655] RIP: 0033:0x7f808374568b [ 951.389147] Code: 0f 1e fa 48 8b 05 05 28 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d d5 27 0d 00 f7 d8 64 89 01 48 [ 951.395021] RSP: 002b:7f8083629ec8 EFLAGS: 0246 ORIG_RAX: 0010 [ 951.397467] RAX: ffda RBX: 000a RCX: 7f808374568b [ 951.399824] RDX: RSI: 540b RDI: 0006 [ 951.402105] RBP: 5627b8f404c6 R08: 7ffee1d0c1b0 R09: 5627b8f4b320 [ 951.404415] R10: 5627b8f4b318 R11: 0246 R12: [ 951.406754] R13: 7ffee1c03cbf R14: 7ffee1c03cc0 R15: 7f8083629fc0 [ 951.409192] Modules linked in: slip serport dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua kvm_intel joydev kvm input_leds serio_raw mac_hid qemu_fw_cfg sch_fq_codel ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear cirrus drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm virtio_net net_failover failover virtio_blk psmouse i2c_piix4 pata_acpi floppy [ 951.424165] CR2: 0020 [ 951.425788] ---[ end trace 41434fc402e37fd0 ]--- [ 951.427905] RIP: 0010:queue_work_on+0x1b/0x50 [ 951.429933] Code: 75 01 01 e8 b2 05 fe ff 0f 0b e9 c3 fc ff ff 0f 1f 44 00 00 55 48 89 e5 53 9c 58 0f 1f 44 00 00 48 89 c3 fa 66 0f 1f 44 00 00 48 0f ba 2a 00 73 13 45 31 c0 48 89 df 57 9d 0f 1f 44 00 00 44 [ 951.437519] RSP: 0018:ab9380557cb8 EFLAGS: 00010002 [ 951.439860] RAX: 0202 RBX: 0202 RCX: [ 951.442897] RDX: 0020 RSI: 8c65fb00ae00 RDI: 2000 [
[Kernel-packages] [Bug 1862114] Re: pty03 from pty in ubuntu_ltp failed on Eoan
** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1862114 Title: pty03 from pty in ubuntu_ltp failed on Eoan Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: New Status in linux source package in Eoan: Confirmed Bug description: startup='Thu Feb 6 02:45:23 2020' tst_test.c:1215: INFO: Timeout per run is 0h 05m 00s pty03.c:101: INFO: Creating PTY with SLIP line discipline Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Test timeouted, sending SIGKILL! Cannot kill test processes! Congratulation, likely test hit a kernel bug. Exitting uncleanly... tag=pty03 stime=1580957123 dur=350 exit=exited stat=1 core=no cu=0 cs=0 This is a new test case, so it's not a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1862114/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
