Re: [PATCH 5.15 00/78] 5.15.55-rc1 review

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On Wed, 13 Jul 2022 at 00:17, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> This is the start of the stable review cycle for the 5.15.55 release.
> There are 78 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.
>
> Responses should be made by Thu, 14 Jul 2022 18:32:19 +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/v5.x/stable-review/patch-5.15.55-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Results from Linaro’s test farm.
Regressions on x86_64.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

1) Kernel panic noticed on device x86_6 while running kvm-unit-tests.
   - APIC base relocation is unsupported by KVM

2) while booting qemu-x86_64 the following warning noticed.
  - WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:557
apply_returns+0x19c/0x1d0

kernel panic log:
   -  https://lkft.validation.linaro.org/scheduler/job/5278112#L1703
TESTNAME=emulator TIMEOUT=90s ACCEL= ./x86/run x86/emulator.flat -smp 1
[   67.774572] APIC base relocation is unsupported by KVM
[  105.643057] kvm: emulating exchange as write
[  105.653717] int3: 0000 [#1] SMP PTI
[  105.653720] CPU: 3 PID: 3747 Comm: qemu-system-x86 Not tainted 5.15.55-rc1 #1
[  105.653721] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[  105.653722] RIP: 0010:xaddw_ax_dx+0x9/0x10
[  105.653727] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
cc cc
[  105.653728] RSP: 0018:ffffb98bc5157ce8 EFLAGS: 00000206
[  105.653729] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
[  105.653730] RDX: 0000000076543210 RSI: ffffffff8ea56000 RDI: 0000000000000204
[  105.653731] RBP: ffffb98bc5157cf0 R08: ffffa306c6cf5df0 R09: 0000000000000002
[  105.653732] R10: ffffa306c6cf5df0 R11: 0000000000000000 R12: ffffa306c6cf5df0
[  105.653733] R13: ffffffff900090c0 R14: 0000000000000000 R15: 0000000000000000
[  105.653734] FS:  00007f30ab0df700(0000) GS:ffffa30a1fd80000(0000)
knlGS:0000000000000000
[  105.653735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.653736] CR2: 0000000000000000 CR3: 000000014e0d0003 CR4: 00000000003726e0
[  105.653736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  105.653737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  105.653738] Call Trace:
[  105.653738]  <TASK>
[  105.653739]  ? fastop+0x5d/0xa0
[  105.653741]  x86_emulate_insn+0x7c9/0xf20
[  105.653743]  x86_emulate_instruction+0x2e3/0x790
[  105.653746]  complete_emulated_mmio+0x238/0x310
[  105.653748]  kvm_arch_vcpu_ioctl_run+0x11ba/0x1a70
[  105.653750]  ? vfs_writev+0xcb/0x140
[  105.653753]  kvm_vcpu_ioctl+0x281/0x6b0
[  105.653755]  ? clockevents_program_event+0x98/0x100
[  105.653757]  ? selinux_file_ioctl+0xae/0x140
[  105.653760]  ? selinux_file_ioctl+0xae/0x140
[  105.653762]  __x64_sys_ioctl+0x95/0xd0
[  105.653764]  do_syscall_64+0x3b/0x90
[  105.653767]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  105.653769] RIP: 0033:0x7f30aca698f7
[  105.653770] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
01 48
[  105.653771] RSP: 002b:00007f30ab0dea28 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  105.653772] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f30aca698f7
[  105.653773] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
[  105.653774] RBP: 000055fb7fb6faf0 R08: 000055fb7d67c450 R09: 00000000ffffffff
[  105.653775] R10: 00000000000216a8 R11: 0000000000000246 R12: 0000000000000000
[  105.653775] R13: 00007f30aed99000 R14: 0000000000000006 R15: 000055fb7fb6faf0
[  105.653776]  </TASK>
[  105.653777] Modules linked in: x86_pkg_temp_thermal
[  105.902123] ---[ end trace cec99cae36bcbfd7 ]---
[  105.902124] RIP: 0010:xaddw_ax_dx+0x9/0x10
[  105.902126] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
cc cc
[  105.902127] RSP: 0018:ffffb98bc5157ce8 EFLAGS: 00000206
[  105.902127] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
[  105.902128] RDX: 0000000076543210 RSI: ffffffff8ea56000 RDI: 0000000000000204
[  105.902129] RBP: ffffb98bc5157cf0 R08: ffffa306c6cf5df0 R09: 0000000000000002
[  105.902129] R10: ffffa306c6cf5df0 R11: 0000000000000000 R12: ffffa306c6cf5df0
[  105.902130] R13: ffffffff900090c0 R14: 0000000000000000 R15: 0000000000000000
[  105.902130] FS:  00007f30ab0df700(0000) GS:ffffa30a1fd80000(0000)
knlGS:0000000000000000
[  105.902131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.902132] CR2: 0000000000000000 CR3: 000000014e0d0003 CR4: 00000000003726e0
[  105.902133] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  105.902133] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  105.902134] Kernel panic - not syncing: Fatal exception in interrupt
[  105.902170] Kernel Offset: 0xda00000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  106.022663] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt ]---
[  106.030224] ------------[ cut here ]------------
[  106.030224] sched: Unexpected reschedule of offline CPU#0!
[  106.030226] WARNING: CPU: 3 PID: 3747 at
arch/x86/kernel/apic/ipi.c:68 native_smp_send_reschedule+0x3e/0x50
[  106.030229] Modules linked in: x86_pkg_temp_thermal
[  106.030230] CPU: 3 PID: 3747 Comm: qemu-system-x86 Tainted: G
D           5.15.55-rc1 #1
[  106.030231] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[  106.030232] RIP: 0010:native_smp_send_reschedule+0x3e/0x50
[  106.030234] Code: 1b 48 8b 05 d4 70 a6 01 be fd 00 00 00 48 8b 40
30 e8 66 dc 31 01 5d c3 cc cc cc cc 89 fe 48 c7 c7 a0 e9 41 90 e8 1e
c3 ea 00 <0f> 0b 5d c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
44 00
[  106.030234] RSP: 0018:ffffb98bc0160c60 EFLAGS: 00010086
[  106.030235] RAX: 0000000000000000 RBX: ffffa30a1fc29b00 RCX: 0000000000000027
[  106.030236] RDX: ffffa30a1fd9b4b8 RSI: 0000000000000001 RDI: ffffa30a1fd9b4b0
[  106.030237] RBP: ffffb98bc0160c60 R08: ffffffff90b65665 R09: 0000000000000000
[  106.030237] R10: 0000000000000030 R11: ffffffff90b65665 R12: ffffa306c097c100
[  106.030238] R13: ffffb98bc0160d00 R14: ffffb98bc0160d00 R15: 0000000000000009
[  106.030239] FS:  00007f30ab0df700(0000) GS:ffffa30a1fd80000(0000)
knlGS:0000000000000000
[  106.030239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.030240] CR2: 0000000000000000 CR3: 000000014e0d0003 CR4: 00000000003726e0
[  106.030241] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  106.030241] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  106.030242] Call Trace:
[  106.030242]  <IRQ>
[  106.030243]  resched_curr+0x52/0xb0
[  106.030245]  check_preempt_curr+0x3b/0x70
[  106.030247]  ttwu_do_wakeup+0x1c/0x160
[  106.030249]  ttwu_do_activate+0x94/0x190
[  106.030251]  try_to_wake_up+0x1c4/0x480
[  106.030253]  default_wake_function+0x1a/0x40
[  106.030254]  autoremove_wake_function+0x12/0x40
[  106.030256]  __wake_up_common+0x7d/0x140
[  106.030258]  __wake_up_common_lock+0x7c/0xc0
[  106.030261]  __wake_up+0x13/0x20
[  106.030263]  wake_up_klogd_work_func+0x7b/0x90
[  106.030265]  irq_work_single+0x46/0x80
[  106.030267]  irq_work_run_list+0x2a/0x40
[  106.030269]  irq_work_tick+0x3b/0x50
[  106.030270]  update_process_times+0xba/0xd0
[  106.030272]  tick_sched_handle+0x38/0x50
[  106.030274]  tick_sched_timer+0x8c/0xc0
[  106.030276]  ? can_stop_idle_tick+0xa0/0xa0
[  106.030278]  __hrtimer_run_queues+0xa6/0x2b0
[  106.030280]  hrtimer_interrupt+0x101/0x220
[  106.030281]  __sysvec_apic_timer_interrupt+0x61/0xe0
[  106.030283]  sysvec_apic_timer_interrupt+0x7b/0x90
[  106.030285]  </IRQ>
[  106.030285]  <TASK>
[  106.030286]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  106.030288] RIP: 0010:panic+0x277/0x2b6
[  106.030290] Code: e8 65 ac 25 ff 48 c7 c6 80 04 b5 90 48 c7 c7 80
3f 42 90 e8 6a 58 00 00 c7 05 cc 8e f5 00 01 00 00 00 e8 d3 80 33 ff
fb 31 db <4c> 39 eb 7c 1d 41 83 f4 01 48 8b 05 a0 d2 1b 01 44 89 e7 e8
18 16
[  106.030291] RSP: 0018:ffffb98bc5157b10 EFLAGS: 00000246
[  106.030292] RAX: ffffb98bc5157b80 RBX: 0000000000000000 RCX: 0000000000000027
[  106.030292] RDX: 0000000000000000 RSI: ffffffff8f98de8f RDI: ffffffff8f99314d
[  106.030293] RBP: ffffb98bc5157b80 R08: ffffffff90b655fa R09: 0000000090b655d6
[  106.030293] R10: ffffffffffffffff R11: ffffffffffffffff R12: 0000000000000000
[  106.030294] R13: 0000000000000000 R14: ffffffff904131e0 R15: 0000000000000000
[  106.030295]  ? oops_end.cold+0xc/0x18
[  106.030297]  ? panic+0x274/0x2b6
[  106.030299]  oops_end.cold+0xc/0x18
[  106.030300]  die+0x43/0x60
[  106.030302]  exc_int3+0x137/0x160
[  106.030303]  asm_exc_int3+0x39/0x40
[  106.030305] RIP: 0010:xaddw_ax_dx+0x9/0x10
[  106.030307] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
cc cc
[  106.030308] RSP: 0018:ffffb98bc5157ce8 EFLAGS: 00000206
[  106.030308] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
[  106.030309] RDX: 0000000076543210 RSI: ffffffff8ea56000 RDI: 0000000000000204
[  106.030310] RBP: ffffb98bc5157cf0 R08: ffffa306c6cf5df0 R09: 0000000000000002
[  106.030310] R10: ffffa306c6cf5df0 R11: 0000000000000000 R12: ffffa306c6cf5df0
[  106.030311] R13: ffffffff900090c0 R14: 0000000000000000 R15: 0000000000000000
[  106.030312]  ? xaddw_ax_dx+0x8/0x10
[  106.030314]  ? xaddw_ax_dx+0x9/0x10
[  106.030315]  ? xaddw_ax_dx+0x8/0x10
[  106.030317]  ? fastop+0x5d/0xa0
[  106.030319]  x86_emulate_insn+0x7c9/0xf20
[  106.030321]  x86_emulate_instruction+0x2e3/0x790
[  106.030323]  complete_emulated_mmio+0x238/0x310
[  106.030325]  kvm_arch_vcpu_ioctl_run+0x11ba/0x1a70
[  106.030327]  ? vfs_writev+0xcb/0x140
[  106.030330]  kvm_vcpu_ioctl+0x281/0x6b0
[  106.030331]  ? clockevents_program_event+0x98/0x100
[  106.030333]  ? selinux_file_ioctl+0xae/0x140
[  106.030335]  ? selinux_file_ioctl+0xae/0x140
[  106.030337]  __x64_sys_ioctl+0x95/0xd0
[  106.030339]  do_syscall_64+0x3b/0x90
[  106.030340]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  106.030342] RIP: 0033:0x7f30aca698f7
[  106.030343] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
01 48
[  106.030343] RSP: 002b:00007f30ab0dea28 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  106.030344] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f30aca698f7
[  106.030345] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
[  106.030346] RBP: 000055fb7fb6faf0 R08: 000055fb7d67c450 R09: 00000000ffffffff
[  106.030346] R10: 00000000000216a8 R11: 0000000000000246 R12: 0000000000000000
[  106.030347] R13: 00007f30aed99000 R14: 0000000000000006 R15: 000055fb7fb6faf0
[  106.030348]  </TASK>
[  106.030348] ---[ end trace cec99cae36bcbfd8 ]---
[  106.030350] ------------[ cut here ]------------
[  106.030350] sched: Unexpected reschedule of offline CPU#2!
[  106.030351] WARNING: CPU: 3 PID: 3747 at
arch/x86/kernel/apic/ipi.c:68 native_smp_send_reschedule+0x3e/0x50
[  106.030354] Modules linked in: x86_pkg_temp_thermal
[  106.030354] CPU: 3 PID: 3747 Comm: qemu-system-x86 Tainted: G
D W         5.15.55-rc1 #1
[  106.030355] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[  106.030356] RIP: 0010:native_smp_send_reschedule+0x3e/0x50
[  106.030357] Code: 1b 48 8b 05 d4 70 a6 01 be fd 00 00 00 48 8b 40
30 e8 66 dc 31 01 5d c3 cc cc cc cc 89 fe 48 c7 c7 a0 e9 41 90 e8 1e
c3 ea 00 <0f> 0b 5d c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
44 00
[  106.030358] RSP: 0018:ffffb98bc0160b40 EFLAGS: 00010086
[  106.030359] RAX: 0000000000000000 RBX: ffffa30a1fd29b00 RCX: 0000000000000027
[  106.030360] RDX: ffffa30a1fd9b4b8 RSI: 0000000000000001 RDI: ffffa30a1fd9b4b0
[  106.030360] RBP: ffffb98bc0160b40 R08: ffffffff90b66d1d R09: 0000000000000000
[  106.030361] R10: 0000000000000030 R11: ffffffff90b66d1d R12: ffffa306c2216180
[  106.030361] R13: ffffb98bc0160be0 R14: ffffb98bc0160be0 R15: 0000000000000009
[  106.030362] FS:  00007f30ab0df700(0000) GS:ffffa30a1fd80000(0000)
knlGS:0000000000000000
[  106.030363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.030364] CR2: 0000000000000000 CR3: 000000014e0d0003 CR4: 00000000003726e0
[  106.030364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  106.030365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  106.030365] Call Trace:
[  106.030366]  <IRQ>
[  106.030366]  resched_curr+0x52/0xb0
[  106.030368]  check_preempt_curr+0x3b/0x70
[  106.030369]  ttwu_do_wakeup+0x1c/0x160
[  106.030371]  ttwu_do_activate+0x94/0x190
[  106.030373]  try_to_wake_up+0x1c4/0x480
[  106.030375]  default_wake_function+0x1a/0x40
[  106.030377]  autoremove_wake_function+0x12/0x40
[  106.030378]  __wake_up_common+0x7d/0x140
[  106.030380]  __wake_up_common_lock+0x7c/0xc0
[  106.030382]  __wake_up+0x13/0x20
[  106.030384]  ep_poll_callback+0x10e/0x290
[  106.030386]  __wake_up_common+0x7d/0x140
[  106.030389]  __wake_up_common_lock+0x7c/0xc0
[  106.030391]  __wake_up+0x13/0x20
[  106.030393]  wake_up_klogd_work_func+0x7b/0x90
[  106.030395]  irq_work_single+0x46/0x80
[  106.030397]  irq_work_run_list+0x2a/0x40
[  106.030398]  irq_work_tick+0x3b/0x50
[  106.030400]  update_process_times+0xba/0xd0
[  106.030401]  tick_sched_handle+0x38/0x50
[  106.030403]  tick_sched_timer+0x8c/0xc0
[  106.030405]  ? can_stop_idle_tick+0xa0/0xa0
[  106.030407]  __hrtimer_run_queues+0xa6/0x2b0
[  106.030408]  hrtimer_interrupt+0x101/0x220
[  106.030410]  __sysvec_apic_timer_interrupt+0x61/0xe0
[  106.030411]  sysvec_apic_timer_interrupt+0x7b/0x90
[  106.030413]  </IRQ>
[  106.030413]  <TASK>
[  106.030414]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  106.030416] RIP: 0010:panic+0x277/0x2b6
[  106.030417] Code: e8 65 ac 25 ff 48 c7 c6 80 04 b5 90 48 c7 c7 80
3f 42 90 e8 6a 58 00 00 c7 05 cc 8e f5 00 01 00 00 00 e8 d3 80 33 ff
fb 31 db <4c> 39 eb 7c 1d 41 83 f4 01 48 8b 05 a0 d2 1b 01 44 89 e7 e8
18 16
[  106.030418] RSP: 0018:ffffb98bc5157b10 EFLAGS: 00000246
[  106.030419] RAX: ffffb98bc5157b80 RBX: 0000000000000000 RCX: 0000000000000027
[  106.030419] RDX: 0000000000000000 RSI: ffffffff8f98de8f RDI: ffffffff8f99314d
[  106.030420] RBP: ffffb98bc5157b80 R08: ffffffff90b655fa R09: 0000000090b655d6
[  106.030420] R10: ffffffffffffffff R11: ffffffffffffffff R12: 0000000000000000
[  106.030421] R13: 0000000000000000 R14: ffffffff904131e0 R15: 0000000000000000
[  106.030422]  ? oops_end.cold+0xc/0x18
[  106.030423]  ? panic+0x274/0x2b6
[  106.030425]  oops_end.cold+0xc/0x18
[  106.030427]  die+0x43/0x60
[  106.030428]  exc_int3+0x137/0x160
[  106.030430]  asm_exc_int3+0x39/0x40
[  106.030431] RIP: 0010:xaddw_ax_dx+0x9/0x10
[  106.030433] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc
cc cc 0f 1f 80 00 00 00 00 0f c0 d0 c3 cc cc cc cc 66 0f c1 d0 c3 cc
cc cc cc <0f> 1f 80 00 00 00 00 0f c1 d0 c3 cc cc cc cc 48 0f c1 d0 c3
cc cc
[  106.030434] RSP: 0018:ffffb98bc5157ce8 EFLAGS: 00000206
[  106.030434] RAX: 0000000089abcdef RBX: 0000000000000001 RCX: 0000000000000000
[  106.030435] RDX: 0000000076543210 RSI: ffffffff8ea56000 RDI: 0000000000000204
[  106.030436] RBP: ffffb98bc5157cf0 R08: ffffa306c6cf5df0 R09: 0000000000000002
[  106.030436] R10: ffffa306c6cf5df0 R11: 0000000000000000 R12: ffffa306c6cf5df0
[  106.030437] R13: ffffffff900090c0 R14: 0000000000000000 R15: 0000000000000000
[  106.030437]  ? xaddw_ax_dx+0x8/0x10
[  106.030439]  ? xaddw_ax_dx+0x9/0x10
[  106.030441]  ? xaddw_ax_dx+0x8/0x10
[  106.030443]  ? fastop+0x5d/0xa0
[  106.030445]  x86_emulate_insn+0x7c9/0xf20
[  106.030446]  x86_emulate_instruction+0x2e3/0x790
[  106.030449]  complete_emulated_mmio+0x238/0x310
[  106.030450]  kvm_arch_vcpu_ioctl_run+0x11ba/0x1a70
[  106.030453]  ? vfs_writev+0xcb/0x140
[  106.030455]  kvm_vcpu_ioctl+0x281/0x6b0
[  106.030456]  ? clockevents_program_event+0x98/0x100
[  106.030458]  ? selinux_file_ioctl+0xae/0x140
[  106.030460]  ? selinux_file_ioctl+0xae/0x140
[  106.030462]  __x64_sys_ioctl+0x95/0xd0
[  106.030464]  do_syscall_64+0x3b/0x90
[  106.030465]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  106.030467] RIP: 0033:0x7f30aca698f7
[  106.030468] Code: b3 66 90 48 8b 05 a1 35 2c 00 64 c7 00 26 00 00
00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 35 2c 00 f7 d8 64 89
01 48
[  106.030468] RSP: 002b:00007f30ab0dea28 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  106.030469] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f30aca698f7
[  106.030470] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f
[  106.030470] RBP: 000055fb7fb6faf0 R08: 000055fb7d67c450 R09: 00000000ffffffff
[  106.030471] R10: 00000000000216a8 R11: 0000000000000246 R12: 0000000000000000
[  106.030472] R13: 00007f30aed99000 R14: 0000000000000006 R15: 000055fb7fb6faf0
[  106.030473]  </TASK>
[  106.030473] ---[ end trace cec99cae36bcbfd9 ]---

2. Kernel warning
    - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.54-79-g0fe4fdf9b1da/testrun/10799646/suite/log-parser-test/tests/
<6>[    0.571674] Speculative Store Bypass: Vulnerable
<6>[    0.573329] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
<4>[    0.942716] ------------[ cut here ]------------
<4>[    0.944263] WARNING: CPU: 0 PID: 0 at
arch/x86/kernel/alternative.c:557 apply_returns+0x19c/0x1d0
<4>[    0.945106] Modules linked in:
<4>[    0.946322] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.55-rc1 #1
<4>[    0.947052] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.14.0-2 04/01/2014
<4>[    0.947844] RIP: 0010:apply_returns+0x19c/0x1d0
<4>[    0.948453] Code: 8d 7d c8 4c 89 75 c1 4c 89 74 08 f8 48 29 f8
8d 0c 02 4c 89 f0 c1 e9 03 f3 48 ab 8b 05 9d ba 52 02 85 c0 74 a0 e9
45 32 1a 01 <0f> 0b 48 83 c3 04 49 39 dd 0f 87 96 fe ff ff e9 0f ff ff
ff c7 45
<4>[    0.950059] RSP: 0000:ffffffff89803d78 EFLAGS: 00000206
<4>[    0.950484] RAX: 0000000000000000 RBX: ffffffff89dbb174 RCX:
0000000000000000
<4>[    0.951033] RDX: ffffffff891011b5 RSI: 00000000000000e9 RDI:
ffffffff891011b0
<4>[    0.951488] RBP: ffffffff89803e40 R08: 0000000000000000 R09:
0000000000000001
<4>[    0.952032] R10: 0000000000000029 R11: 0000000000000000 R12:
ffffffff891011b0
<4>[    0.952488] R13: ffffffff89ddb184 R14: cccccccccccccccc R15:
ffffffff891011b5
<4>[    0.953125] FS:  0000000000000000(0000)
GS:ffff90f63fc00000(0000) knlGS:0000000000000000
<4>[    0.953634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[    0.954031] CR2: ffff90f63fa01000 CR3: 000000003e826000 CR4:
00000000000006f0
<4>[    0.954669] Call Trace:
<4>[    0.955846]  <TASK>
<4>[    0.957183]  alternative_instructions+0x7d/0x146
<4>[    0.957673]  check_bugs+0xf16/0xf57
<4>[    0.958114]  start_kernel+0x6b6/0x6ef
<4>[    0.958446]  x86_64_start_reservations+0x24/0x2a
<4>[    0.958764]  x86_64_start_kernel+0x8d/0x95
<4>[    0.959035]  secondary_startup_64_no_verify+0xc2/0xcb
<4>[    0.959591]  </TASK>
<4>[    0.960146] irq event stamp: 121171
<4>[    0.960419] hardirqs last  enabled at (121179):
[<ffffffff87a7247c>] __up_console_sem+0x5c/0x70
<4>[    0.961036] hardirqs last disabled at (121188):
[<ffffffff87a72461>] __up_console_sem+0x41/0x70
<4>[    0.961577] softirqs last  enabled at (1484):
[<ffffffff87ad3f20>] cgroup_idr_alloc.constprop.0+0x60/0xe0
<4>[    0.962031] softirqs last disabled at (1482):
[<ffffffff87ad3ef3>] cgroup_idr_alloc.constprop.0+0x33/0xe0
<4>[    0.963358] ---[ end trace 7af0f35d34a8be8b ]---
<6>[    1.100332] Freeing SMP alternatives memory: 52K
<6>[    1.233988] smpboot: CPU0: Intel Core i7 9xx (Nehalem Class Core
i7) (family: 0x6, model: 0x1a, stepping: 0x3)
<6>[    1.266761] Running RCU-tasks wait API self tests
<6>[    1.271070] Performance Events: unsupported p6 CPU model 26 no
PMU driver, software events only.
<6>[    1.276776] rcu: Hierarchical SRCU implementation.
<6>[    1.281153] Callback from call_rcu_ta#
sks_trace() invoked.
<6>[    1.308215] smp: Bringing up secondary CPUs ...
<6>[    1.322732] x86: Booting SMP configuration:
<6>[    1.323121] .... node  #0, CPUs:      #1
<6>[    1.361239] smp: Brought up 1 node, 2 CPUs


## Build
* kernel: 5.15.55-rc1
* git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
* git branch: linux-5.15.y
* git commit: 0fe4fdf9b1dac90e23465eefeff45e529adcf3c6
* git describe: v5.15.54-79-g0fe4fdf9b1da
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.15.y/build/v5.15.54-79-g0fe4fdf9b1da

## Test Regressions (compared to v5.15.53-227-g71721f5974f2)
kernel crash regression found.

## Metric Regressions (compared to v5.15.53-227-g71721f5974f2)
No metric regressions found.

## Test Fixes (compared to v5.15.53-227-g71721f5974f2)
No test fixes found.

## Metric Fixes (compared to v5.15.53-227-g71721f5974f2)
No metric fixes found.

## Test result summary
total: 137556, pass: 124337, fail: 404, skip: 12121, xfail: 694

## Build Summary
* arc: 10 total, 10 passed, 0 failed
* arm: 308 total, 308 passed, 0 failed
* arm64: 62 total, 62 passed, 0 failed
* i386: 52 total, 49 passed, 3 failed
* mips: 48 total, 48 passed, 0 failed
* parisc: 12 total, 12 passed, 0 failed
* powerpc: 54 total, 52 passed, 2 failed
* riscv: 22 total, 22 passed, 0 failed
* s390: 21 total, 21 passed, 0 failed
* sh: 24 total, 24 passed, 0 failed
* sparc: 12 total, 12 passed, 0 failed
* x86_64: 56 total, 55 passed, 1 failed

## Test suites summary
* fwts
* kunit
* kvm-unit-tests
* libgpiod
* libhugetlbfs
* log-parser-boot
* log-parser-test
* ltp-cap_bounds
* ltp-commands
* ltp-containers
* ltp-controllers
* ltp-cpuhotplug
* ltp-crypto
* ltp-cve
* ltp-dio
* ltp-fcntl-locktests
* ltp-filecaps
* ltp-fs
* ltp-fs_bind
* ltp-fs_perms_simple
* ltp-fsx
* ltp-hugetlb
* ltp-io
* ltp-ipc
* ltp-math
* ltp-mm
* ltp-nptl
* ltp-open-posix-tests
* ltp-pty
* ltp-sched
* ltp-securebits
* ltp-smoke
* ltp-syscalls
* ltp-tracing
* network-basic-tests
* packetdrill
* perf
* perf/Zstd-perf.data-compression
* rcutorture
* ssuite
* v4l2-compliance
* vdso

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




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