+ attachment failed resending with trim version of log file.

On Wed, 11 Jan 2023 at 11:46, Naresh Kamboju naresh.kamboju@linaro.org wrote:

On Tue, 10 Jan 2023 at 23:36, Greg Kroah-Hartman gregkh@linuxfoundation.org wrote:

...

This is the start of the stable review cycle for the 6.0.19 release. There are 148 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

NOTE, this will probably be the LAST 6.0.y release. If there is anything preventing you from moving to 6.1.y right now, please let me know.

Responses should be made by Thu, 12 Jan 2023 17:59:42 +0000. Anything received after that time might be too late.

The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.0.19-rc1.... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.0.y and the diffstat can be found below.

thanks,

greg k-h

Results from Linaro’s test farm. Regressions on arm64 Raspberry Pi 4 Model B.

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

While running LTP controllers cgroup_fj_stress_blkio test cases the Insufficient stack space to handle exception! occurred and followed by kernel panic on arm64 Raspberry Pi 4 Model B with clang-15 built kernel Image.

The full boot and test log attached to this email and build and Kconfig links provided in the bottom of this email.

I will try to reproduce this reported issue and get back to you.

test log:

[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083] [ 0.000000] Linux version 6.0.19-rc1 (tuxmake@tuxmake) (Debian clang version 15.0.6, Debian LLD 15.0.6) #1 SMP PREEMPT @1673381411 [ 0.000000] Machine model: Raspberry Pi 4 Model B ... cgroup_fj_stress_blkio_2_9_one 1 TINFO: Attaching task 315404 to /sys/fs/cgroup/blkio/ltp/1/1/1/2/2/2/1/1/2 cgroup_fj_stress_blkio_2_9_one 1 TINFO: Attaching task 315404 to /sys/fs/cgroup/blkio/ltp/1/1/1/2/2/2/1/1 cgroup_fj_stress_blkio_2_9_one 1 TINFO: Attaching task 315404 to /sys/fs/cgroup/blkio/ltp/1/1/1/2/2/2/1/2 [ 2893.044339] Insufficient stack space to handle exception! [ 2893.044351] ESR: 0x0000000096000047 -- DABT (current EL) [ 2893.044360] FAR: 0xffff8000128180d0 [ 2893.044364] Task stack: [0xffff800012a18000..0xffff800012a1c000] [ 2893.044370] IRQ stack: [0xffff80000a798000..0xffff80000a79c000] [ 2893.044375] Overflow stack: [0xffff0000f77c4310..0xffff0000f77c5310] [ 2893.044383] CPU: 2 PID: 315758 Comm: cgroup_fj_stres Not tainted 6.0.19-rc1 #1 [ 2893.044396] Hardware name: Raspberry Pi 4 Model B (DT) [ 2893.044401] pstate: 400003c5 (nZcv DAIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 2893.044413] pc : el1h_64_sync+0x0/0x68 [ 2893.044430] lr : wp_page_copy+0xf8/0x90c [ 2893.044445] sp : ffff8000128180d0 [ 2893.044450] x29: ffff800012a1bc30 x28: ffff800009e25000 x27: 0000000000000a55 [ 2893.044468] x26: ffff000066a5f000 x25: ffff000066a5f000 x24: 00000000342f5000 [ 2893.044481] x23: ffff00005033d2c0 x22: ffff000066a5f000 x21: fffffc00012a0d00 [ 2893.044494] x20: ffff800012a1bcf0 x19: fffffc00016402c0 x18: 0000000000000000 [ 2893.044506] x17: 72705f6a665f7075 x16: 6f72676320202020 x15: 0a292022656e6f22 [ 2893.044519] x14: 0a6e69206e6f6974 x13: 617265706f5f6863 x12: 6174746124206573 [ 2893.044531] x11: 61630a0a2273656d x10: 697420746e756f63 x9 : ffff800008304b84 [ 2893.044544] x8 : 0000000000000000 x7 : 464e4954206d7365 x6 : 725f7473740a0a30 [ 2893.044556] x5 : 2022687461705f74 x4 : 7261747324222073 x3 : 70756f7267627573 [ 2893.044568] x2 : 0000000000000cc0 x1 : ffff00005033d2c0 x0 : fffffc00012a0d00 [ 2893.044584] Kernel panic - not syncing: kernel stack overflow [ 2893.044590] CPU: 2 PID: 315758 Comm: cgroup_fj_stres Not tainted 6.0.19-rc1 #1 [ 2893.044600] Hardware name: Raspberry Pi 4 Model B (DT) [ 2893.044605] Call trace: [ 2893.044608] dump_backtrace+0xf4/0x144 [ 2893.044619] show_stack+0x24/0x58 [ 2893.044627] dump_stack_lvl+0x7c/0xa0 [ 2893.044638] dump_stack+0x18/0x44 [ 2893.044646] panic+0x168/0x374 [ 2893.044658] test_taint+0x0/0x38 [ 2893.044667] panic_bad_stack+0x110/0x124 [ 2893.044675] handle_bad_stack+0x34/0x48 [ 2893.044685] __bad_stack+0x78/0x7c [ 2893.044692] el1h_64_sync+0x0/0x68 [ 2893.044700] do_wp_page+0x4a0/0x5c8 [ 2893.044708] handle_mm_fault+0x7fc/0x14dc [ 2893.044718] do_page_fault+0x29c/0x450 [ 2893.044727] do_mem_abort+0x4c/0xf8 [ 2893.044741] el0_da+0x48/0xa8 [ 2893.044750] el0t_64_sync_handler+0xcc/0xf0 [ 2893.044759] el0t_64_sync+0x18c/0x190 [ 2893.044769] SMP: stopping secondary CPUs [ 2893.044780] Kernel Offset: disabled [ 2893.044783] CPU features: 0x4000,0800f020,00001086 [ 2893.044790] Memory Limit: none [ 2893.278874] ---[ end Kernel panic - not syncing: kernel stack overflow ]--- [ 2893.285971] ------------[ cut here ]------------ [ 2893.285975] WARNING: CPU: 2 PID: 315758 at kernel/sched/core.c:3119 set_task_cpu+0x14c/0x208 [ 2893.285996] Modules linked in: btrfs xor xor_neon raid6_pq zstd_compress libcrc32c algif_hash aes_neon_bs aes_neon_blk xhci_pci raspberrypi_cpufreq xhci_pci_renesas brcmfmac hci_uart brcmutil btqca btbcm cfg80211 bluetooth clk_raspberrypi raspberrypi_hwmon reset_raspberrypi pwm_bcm2835 rfkill vc4 crct10dif_ce bcm2711_thermal snd_soc_hdmi_codec i2c_bcm2835 iproc_rng200 rng_core cec v3d drm_display_helper pcie_brcmstb gpu_sched drm_cma_helper drm_shmem_helper drm_kms_helper fuse drm [ 2893.286117] CPU: 2 PID: 315758 Comm: cgroup_fj_stres Not tainted 6.0.19-rc1 #1 [ 2893.286127] Hardware name: Raspberry Pi 4 Model B (DT) [ 2893.286131] pstate: 400000c5 (nZcv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 2893.286142] pc : set_task_cpu+0x14c/0x208 [ 2893.286151] lr : try_to_wake_up+0x230/0x5b8 [ 2893.286160] sp : ffff0000f77c4af0 [ 2893.286164] x29: ffff0000f77c4af0 x28: ffff00004106b7a8 x27: ffff80000a1d29c8 [ 2893.286177] x26: 0000000000000000 x25: ffff80000a1b3248 x24: ffff000063d16300 [ 2893.286190] x23: 0000000000000001 x22: 00000000000000c0 x21: 0000000000000001 [ 2893.286202] x20: 0000000000000001 x19: ffff000041d70000 x18: 00007fffffffffff [ 2893.286214] x17: 0000000000000011 x16: ffffffffffffffff x15: 0000000000000004 [ 2893.286227] x14: 0000000000000fff x13: ffff80000a1eaad8 x12: 000000000000000f [ 2893.286239] x11: 0000000000000917 x10: 0000000000000001 x9 : 0000000000000002 [ 2893.286251] x8 : ffff80000a1aea80 x7 : 205d343738383732 x6 : 322e33393832205b [ 2893.286263] x5 : ffff80000a6c752f x4 : 0000000000000008 x3 : 0000000000000000 [ 2893.286275] x2 : 0000000000000008 x1 : 0000000000000001 x0 : ffff000041d70000 [ 2893.286287] Call trace: [ 2893.286290] set_task_cpu+0x14c/0x208 [ 2893.286300] try_to_wake_up+0x230/0x5b8 [ 2893.286309] default_wake_function+0x28/0x3c [ 2893.286321] autoremove_wake_function+0x24/0x4c [ 2893.286332] __wake_up_common_lock+0x108/0x18c [ 2893.286341] __wake_up+0x24/0x30 [ 2893.286350] wake_up_klogd_work_func+0x94/0x23c [ 2893.286364] irq_work_tick+0x98/0xfc [ 2893.286378] update_process_times+0x8c/0xa8 [ 2893.286387] tick_sched_timer+0xd0/0x14c [ 2893.286399] __hrtimer_run_queues+0x158/0x378 [ 2893.286408] hrtimer_interrupt+0xe8/0x3a8 [ 2893.286416] arch_timer_handler_phys+0x44/0x54 [ 2893.286427] handle_percpu_devid_irq+0x90/0x220 [ 2893.286439] generic_handle_domain_irq+0x38/0x50 [ 2893.286447] gic_handle_irq+0x68/0xe8 [ 2893.286455] el1_interrupt+0x88/0xc8 [ 2893.286464] el1h_64_irq_handler+0x18/0x24 [ 2893.286474] el1h_64_irq+0x64/0x68 [ 2893.286482] panic+0x2d8/0x374 [ 2893.286494] test_taint+0x0/0x38 [ 2893.286502] panic_bad_stack+0x110/0x124 [ 2893.286509] handle_bad_stack+0x34/0x48 [ 2893.286519] __bad_stack+0x78/0x7c [ 2893.286526] el1h_64_sync+0x0/0x68 [ 2893.286533] do_wp_page+0x4a0/0x5c8 [ 2893.286542] handle_mm_fault+0x7fc/0x14dc [ 2893.286551] do_page_fault+0x29c/0x450 [ 2893.286560] do_mem_abort+0x4c/0xf8 [ 2893.286572] el0_da+0x48/0xa8 [ 2893.286581] el0t_64_sync_handler+0xcc/0xf0 [ 2893.286590] el0t_64_sync+0x18c/0x190 [ 2893.286598] ---[ end trace 0000000000000000 ]---

https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.0.y/build/v6.0.18... https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.0.y/build/v6.0.18...

metadata: git_ref: linux-6.0.y git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc git_sha: a7ffaeeaf9bb7ab13e00a589d0910efb9119479c git_describe: v6.0.18-149-ga7ffaeeaf9bb kernel_version: 6.0.19-rc1 kernel-config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2K9JDtix2mHMoYRjNkBef... build-url: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc/-/pipelines/74... artifact-location: https://storage.tuxsuite.com/public/linaro/lkft/builds/2K9JDtix2mHMoYRjNkBef... toolchain: clang-15

-- Linaro LKFT https://lkft.linaro.org