Warning: Permanently added '10.128.0.34' (ED25519) to the list of known hosts.
[+] Starting reproducer...
[+] Writer threads created successfully.
[+] Reader threads created successfully.
[+] Timer thread created successfully.
[   50.860777][ T3654] ==================================================================
[   50.860813][ T3654] BUG: KCSAN: data-race in kick_pool_pick / wq_worker_running
[   50.860849][ T3654] 
[   50.860855][ T3654] read-write to 0xffff888237c2b0a4 of 4 bytes by task 3661 on cpu 0:
[   50.860874][ T3654]  wq_worker_running+0x9c/0x120
[   50.860893][ T3654]  io_schedule+0x3e/0x60
[   50.860922][ T3654]  folio_wait_bit_common+0x3db/0x660
[   50.860945][ T3654]  folio_wait_bit+0x25/0x30
[   50.860964][ T3654]  folio_wait_writeback+0x59/0x120
[   50.860998][ T3654]  file_write_and_wait_range+0x23b/0x2f0
[   50.861021][ T3654]  ext4_sync_file+0x114/0x5c0
[   50.861053][ T3654]  vfs_fsync+0xbe/0xd0
[   50.861077][ T3654]  aio_fsync_work+0x76/0x100
[   50.861095][ T3654]  process_scheduled_works+0x56a/0xa50
[   50.861128][ T3654]  worker_thread+0x569/0x750
[   50.861160][ T3654]  kthread+0x223/0x270
[   50.861180][ T3654]  ret_from_fork+0x146/0x330
[   50.861210][ T3654]  ret_from_fork_asm+0x1a/0x30
[   50.861238][ T3654] 
[   50.861244][ T3654] read to 0xffff888237c2b0a4 of 4 bytes by task 3654 on cpu 1:
[   50.861261][ T3654]  kick_pool_pick+0x5f/0x310
[   50.861288][ T3654]  __queue_work+0x90a/0xbc0
[   50.861305][ T3654]  schedule_on_each_cpu+0x1af/0x340
[   50.861329][ T3654]  vmstat_refresh+0x20/0x2a0
[   50.861351][ T3654]  proc_sys_call_handler+0x2ec/0x4a0
[   50.861379][ T3654]  proc_sys_read+0x1f/0x30
[   50.861402][ T3654]  vfs_read+0x699/0x7c0
[   50.861433][ T3654]  __x64_sys_pread64+0xfd/0x150
[   50.861466][ T3654]  x64_sys_call+0xd2e/0x2550
[   50.861493][ T3654]  do_syscall_64+0x112/0x360
[   50.861515][ T3654]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   50.861538][ T3654] 
[   50.861542][ T3654] value changed: 0x00000000 -> 0x00000001
[   50.861553][ T3654] 
[   50.861557][ T3654] Reported by Kernel Concurrency Sanitizer on:
[   50.861588][ T3654] CPU: 1 UID: 0 PID: 3654 Comm: syz-executor391 Not tainted syzkaller #0 PREEMPT(lazy) 
[   50.861616][ T3654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   50.861630][ T3654] ==================================================================
[   54.057567][   T29] kauditd_printk_skb: 6 callbacks suppressed
[   54.057589][   T29] audit: type=1400 audit(1790660834.559:184): avc:  denied  { write } for  pid=3670 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   54.113278][   T29] audit: type=1400 audit(1790660834.619:185): avc:  denied  { write } for  pid=3681 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[+] Reproducer finished successfully.