./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor281904633

<...>
Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts.
execve("./syz-executor281904633", ["./syz-executor281904633"], 0x7ffc75e73fa0 /* 10 vars */) = 0
brk(NULL)                               = 0x555557037000
brk(0x555557037d00)                     = 0x555557037d00
arch_prctl(ARCH_SET_FS, 0x555557037380) = 0
set_tid_address(0x555557037650)         = 356
set_robust_list(0x555557037660, 24)     = 0
rseq(0x555557037ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor281904633", 4096) = 27
getrandom("\x4a\xe5\x1c\x93\xab\xb2\x8e\x36", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555557037d00
brk(0x555557058d00)                     = 0x555557058d00
brk(0x555557059000)                     = 0x555557059000
mprotect(0x7f5bc5b0e000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557037650) = 357
./strace-static-x86_64: Process 357 attached
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   357] set_robust_list(0x555557037660, 24./strace-static-x86_64: Process 358 attached
 <unfinished ...>
[pid   358] set_robust_list(0x555557037660, 24) = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   356] <... clone resumed>, child_tidptr=0x555557037650) = 358
[pid   357] <... set_robust_list resumed>) = 0
[pid   358] <... clone resumed>, child_tidptr=0x555557037650) = 359
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 359 attached
 <unfinished ...>
[pid   359] set_robust_list(0x555557037660, 24) = 0
[pid   359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   359] setpgid(0, 0)               = 0
[pid   359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "1000", 4)         = 4
[pid   356] <... clone resumed>, child_tidptr=0x555557037650) = 360
[pid   359] close(3)                    = 0
[pid   359] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3
[pid   359] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   359] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0
[pid   359] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   359] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4
[pid   359] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   359] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   359] exit_group(0)               = ?
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   359] +++ exited with 0 +++
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   358] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 360 attached
) = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 361 attached
 <unfinished ...>
[pid   356] <... clone resumed>, child_tidptr=0x555557037650) = 361
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] <... clone resumed>, child_tidptr=0x555557037650) = 362
[pid   360] set_robust_list(0x555557037660, 24) = 0
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   360] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557037650) = 363
./strace-static-x86_64: Process 363 attached
[pid   363] set_robust_list(0x555557037660, 24) = 0
[pid   363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   363] setpgid(0, 0)               = 0
[pid   363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   356] <... clone resumed>, child_tidptr=0x555557037650) = 364
[pid   363] <... openat resumed>)       = 3
[pid   363] write(3, "1000", 4)         = 4
[pid   363] close(3)                    = 0
[pid   363] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3
[pid   363] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   363] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0
[pid   363] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   363] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4
[pid   363] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   363] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   363] exit_group(0)               = ?
[pid   357] <... clone resumed>, child_tidptr=0x555557037650) = 365
[pid   361] set_robust_list(0x555557037660, 24./strace-static-x86_64: Process 362 attached
) = 0
[pid   363] +++ exited with 0 +++
[pid   361] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   360] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   360] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   360] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557037650) = 366
./strace-static-x86_64: Process 365 attached
[pid   365] set_robust_list(0x555557037660, 24) = 0
[pid   365] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 364 attached
 <unfinished ...>
[pid   364] set_robust_list(0x555557037660, 24 <unfinished ...>
[pid   365] <... prctl resumed>)        = 0
[pid   364] <... set_robust_list resumed>) = 0
[pid   365] setpgid(0, 0 <unfinished ...>
[pid   364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   365] <... setpgid resumed>)      = 0
[pid   365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   362] set_robust_list(0x555557037660, 24 <unfinished ...>
[pid   361] <... clone resumed>, child_tidptr=0x555557037650) = 367
./strace-static-x86_64: Process 366 attached
[pid   362] <... set_robust_list resumed>) = 0
[pid   365] <... openat resumed>)       = 3
[pid   365] write(3, "1000", 4)         = 4
[pid   365] close(3)                    = 0
[pid   365] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY <unfinished ...>
[pid   362] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   366] set_robust_list(0x555557037660, 24 <unfinished ...>
[pid   365] <... openat resumed>)       = 3
[pid   362] <... prctl resumed>)        = 0
[pid   364] <... clone resumed>, child_tidptr=0x555557037650) = 368
[pid   365] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   365] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0
[pid   365] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   365] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4
[pid   365] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   365] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0
./strace-static-x86_64: Process 368 attached
./strace-static-x86_64: Process 367 attached
[pid   366] <... set_robust_list resumed>) = 0
[pid   362] setpgid(0, 0 <unfinished ...>
[pid   365] exit_group(0)               = ?
[pid   362] <... setpgid resumed>)      = 0
[pid   362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   365] +++ exited with 0 +++
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   357] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   368] set_robust_list(0x555557037660, 24) = 0
[pid   368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   368] setpgid(0, 0)               = 0
[pid   368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   368] write(3, "1000", 4)         = 4
[pid   368] close(3)                    = 0
[pid   368] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY <unfinished ...>
[pid   357] <... restart_syscall resumed>) = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   368] <... openat resumed>)       = 3
[pid   368] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   368] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0
[pid   368] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   368] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4
[pid   368] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0
[pid   368] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   368] exit_group(0)               = ?
[pid   357] <... clone resumed>, child_tidptr=0x555557037650) = 369
[pid   362] <... openat resumed>)       = 3
[pid   366] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   362] write(3, "1000", 4 <unfinished ...>
[pid   366] <... prctl resumed>)        = 0
[pid   368] +++ exited with 0 +++
[pid   364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   364] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   362] <... write resumed>)        = 4
[pid   364] <... restart_syscall resumed>) = 0
[pid   362] close(3)                    = 0
[pid   364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 369 attached
 <unfinished ...>
[pid   367] set_robust_list(0x555557037660, 24 <unfinished ...>
[pid   366] setpgid(0, 0 <unfinished ...>
[pid   362] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY <unfinished ...>
[pid   364] <... clone resumed>, child_tidptr=0x555557037650) = 370
./strace-static-x86_64: Process 370 attached
[pid   370] set_robust_list(0x555557037660, 24) = 0
[pid   370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   370] setpgid(0, 0 <unfinished ...>
[pid   362] <... openat resumed>)       = 3
[pid   370] <... setpgid resumed>)      = 0
[pid   370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   370] write(3, "1000", 4 <unfinished ...>
[pid   362] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 <unfinished ...>
[pid   370] <... write resumed>)        = 4
[pid   370] close(3)                    = 0
[pid   370] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3
[pid   370] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 <unfinished ...>
[pid   366] <... setpgid resumed>)      = 0
[pid   362] <... ioctl resumed>)        = 0
[pid   366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   362] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0
[pid   366] <... openat resumed>)       = 3
[pid   366] write(3, "1000", 4)         = 4
[pid   366] close(3)                    = 0
[pid   366] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3
[pid   366] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 <unfinished ...>
[pid   362] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   366] <... ioctl resumed>)        = 0
[pid   367] <... set_robust_list resumed>) = 0
[pid   366] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 <unfinished ...>
[pid   367] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   366] <... ioctl resumed>)        = 0
[pid   366] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   366] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY <unfinished ...>
[pid   367] <... prctl resumed>)        = 0
[pid   367] setpgid(0, 0 <unfinished ...>
[pid   366] <... openat resumed>)       = 4
[pid   367] <... setpgid resumed>)      = 0
[pid   367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   366] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 <unfinished ...>
[   23.595036][   T23] audit: type=1400 audit(1713262963.340:66): avc:  denied  { execmem } for  pid=356 comm="syz-executor281" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   362] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY <unfinished ...>
[pid   366] <... ioctl resumed>)        = 0
[pid   362] <... openat resumed>)       = 4
[pid   366] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 <unfinished ...>
[pid   362] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 <unfinished ...>
[pid   366] <... ioctl resumed>)        = 0
[pid   362] <... ioctl resumed>)        = 0
[pid   362] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0
[pid   362] exit_group(0)               = ?
[pid   366] exit_group(0)               = ?
[pid   367] <... openat resumed>)       = 3
[pid   367] write(3, "1000", 4)         = 4
[pid   367] close(3)                    = 0
[pid   367] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3
[pid   367] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 <unfinished ...>
[pid   369] set_robust_list(0x555557037660, 24) = 0
[pid   369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   369] setpgid(0, 0)               = 0
[pid   369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   369] write(3, "1000", 4)         = 4
[pid   369] close(3)                    = 0
[pid   369] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3
[  178.184861][    C1] watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [kworker/u4:2:179]
[  178.193012][    C1] Modules linked in:
[  178.196753][    C1] CPU: 1 PID: 179 Comm: kworker/u4:2 Not tainted 5.4.268-syzkaller-00003-g2d5d8240a7cb #0
[  178.206458][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  178.216402][    C1] Workqueue: events_unbound toggle_allocation_gate
[  178.222788][    C1] RIP: 0010:smp_call_function_single+0x235/0x4a0
[  178.228946][    C1] Code: 0f 85 df 01 00 00 44 8b 74 24 58 44 89 f6 83 e6 01 31 ff e8 6d b0 0a 00 41 83 e6 01 75 0a e8 72 ad 0a 00 e9 f4 00 00 00 f3 90 <42> 0f b6 04 2b 84 c0 75 15 f7 44 24 58 01 00 00 00 0f 84 d6 00 00
[  178.248908][    C1] RSP: 0018:ffff8881e578f8a0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  178.257154][    C1] RAX: ffffffff815999d1 RBX: 1ffff1103caf1f1f RCX: ffff8881ec982f40
[  178.264963][    C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[  178.272778][    C1] RBP: ffff8881e578f990 R08: ffffffff815999a3 R09: ffffed103edcb189
[  178.280588][    C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103caf1f18
[  178.288398][    C1] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[  178.296210][    C1] FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[  178.304979][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  178.311398][    C1] CR2: 00007f80faf39308 CR3: 00000001dc15e000 CR4: 00000000003406a0
[  178.319211][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  178.327024][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  178.334831][    C1] Call Trace:
[  178.337959][    C1]  <IRQ>
[  178.340675][    C1]  ? watchdog_timer_fn+0x53d/0x600
[  178.345600][    C1]  ? proc_watchdog_cpumask+0xc0/0xc0
[  178.350720][    C1]  ? __hrtimer_run_queues+0x3e9/0xb90
[  178.355930][    C1]  ? hrtimer_interrupt+0x890/0x890
[  178.360874][    C1]  ? kvm_sched_clock_read+0x14/0x40
[  178.365907][    C1]  ? sched_clock+0x36/0x40
[  178.370160][    C1]  ? ktime_get+0xf9/0x130
[  178.374327][    C1]  ? ktime_get_update_offsets_now+0x26c/0x280
[  178.380351][    C1]  ? hrtimer_interrupt+0x38a/0x890
[  178.385291][    C1]  ? smp_apic_timer_interrupt+0x110/0x460
[  178.390852][    C1]  ? apic_timer_interrupt+0xf/0x20
[  178.396090][    C1]  </IRQ>
[  178.399002][    C1]  ? smp_call_function_single+0x223/0x4a0
[  178.404548][    C1]  ? smp_call_function_single+0x251/0x4a0
[  178.410104][    C1]  ? smp_call_function_single+0x235/0x4a0
[  178.415671][    C1]  ? text_poke_bp_batch+0x2b0/0x2b0
[  178.420696][    C1]  ? check_preemption_disabled+0x9f/0x320
[  178.426246][    C1]  ? generic_smp_call_function_single_interrupt+0x10/0x10
[  178.433185][    C1]  ? check_preemption_disabled+0x9f/0x320
[  178.438739][    C1]  ? text_poke_bp_batch+0x2b0/0x2b0
[  178.443791][    C1]  ? debug_smp_processor_id+0x20/0x20
[  178.448984][    C1]  ? check_preemption_disabled+0x9f/0x320
[  178.454542][    C1]  ? find_next_and_bit+0x156/0x190
[  178.459486][    C1]  ? cpumask_next_and+0x11/0x30
[  178.464173][    C1]  smp_call_function_many+0x6fe/0x9b0
[  178.469383][    C1]  ? cpumask_any_but+0x9c/0xb0
[  178.473980][    C1]  ? text_poke_bp_batch+0x2b0/0x2b0
[  178.479015][    C1]  ? flush_tlb_mm_range+0x214/0x2b0
[  178.484046][    C1]  ? smp_call_function_any+0x190/0x190
[  178.489342][    C1]  ? _raw_spin_unlock+0x49/0x60
[  178.494031][    C1]  ? text_poke_bp_batch+0x2b0/0x2b0
[  178.499064][    C1]  on_each_cpu+0xa5/0x1a0
[  178.503227][    C1]  ? text_poke+0x10/0x10
[  178.507338][    C1]  ? _raw_spin_lock+0xa4/0x1b0
[  178.511910][    C1]  ? smp_call_function+0x90/0x90
[  178.516681][    C1]  ? _nohz_idle_balance+0x2e9/0x490
[  178.521720][    C1]  text_poke_bp_batch+0x11a/0x2b0
[  178.526584][    C1]  ? patch_cmp+0x40/0x40
[  178.530659][    C1]  arch_jump_label_transform_apply+0x27/0x40
[  178.536471][    C1]  static_key_enable_cpuslocked+0x12c/0x240
[  178.542202][    C1]  static_key_enable+0x16/0x20
[  178.546801][    C1]  toggle_allocation_gate+0xb1/0x240
[  178.551920][    C1]  ? kfence_protect+0x1e0/0x1e0
[  178.556609][    C1]  ? __schedule+0xb0d/0x1320
[  178.561033][    C1]  ? _raw_spin_lock_irqsave+0x210/0x210
[  178.566416][    C1]  ? read_word_at_a_time+0xe/0x20
[  178.571280][    C1]  ? strscpy+0x89/0x220
[  178.575270][    C1]  process_one_work+0x765/0xd20
[  178.579957][    C1]  worker_thread+0xaef/0x1470
[  178.584474][    C1]  kthread+0x2da/0x360
[  178.588372][    C1]  ? worker_clr_flags+0x170/0x170
[  178.593233][    C1]  ? kthread_blkcg+0xd0/0xd0
[  178.597659][    C1]  ret_from_fork+0x1f/0x30