./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor158417520

<...>
forked to background, child pid 4655
[   52.575346][ T4656] 8021q: adding VLAN 0 to HW filter on device bond0
[   52.586580][ T4656] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: [   53.181230][ T4750] sshd (4750) used greatest stack depth: 22320 bytes left
OK

syzkaller
Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts.
execve("./syz-executor158417520", ["./syz-executor158417520"], 0x7fff8c843270 /* 10 vars */) = 0
brk(NULL)                               = 0x5555574c2000
brk(0x5555574c2c40)                     = 0x5555574c2c40
arch_prctl(ARCH_SET_FS, 0x5555574c2300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor158417520", 4096) = 27
brk(0x5555574e3c40)                     = 0x5555574e3c40
brk(0x5555574e4000)                     = 0x5555574e4000
mprotect(0x7fb645452000, 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
openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_EXCL|__O_SYNC|O_DIRECT) = 3
ioctl(3, BLKRRPART)                     = 0
exit_group(0)                           = ?
syzkaller login: [   75.359749][ T5080] ------------[ cut here ]------------
[   75.365479][ T5080] WARNING: CPU: 1 PID: 5080 at block/bdev.c:845 blkdev_put+0x6ca/0x770
[   75.373824][ T5080] Modules linked in:
[   75.377994][ T5080] CPU: 1 PID: 5080 Comm: syz-executor158 Not tainted 6.2.0-rc8-next-20230220-syzkaller #0
[   75.387973][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[   75.398281][ T5080] RIP: 0010:blkdev_put+0x6ca/0x770
[   75.403494][ T5080] Code: 48 8b 3c 24 e8 b7 7c da fd e9 99 fa ff ff e8 8d 7c da fd e9 cf fb ff ff 4c 89 ff e8 80 7c da fd e9 80 fd ff ff e8 e6 ea 88 fd <0f> 0b e9 ef fc ff ff e8 8a 7c da fd e9 f3 fa ff ff 48 8b 3c 24 e8
[   75.423235][ T5080] RSP: 0018:ffffc90003cefc88 EFLAGS: 00010293
[   75.429376][ T5080] RAX: 0000000000000000 RBX: ffff888144c49600 RCX: 0000000000000000
[   75.437616][ T5080] RDX: ffff88807c2f8000 RSI: ffffffff83fbb8da RDI: 0000000000000005
[   75.445853][ T5080] RBP: ffff888146bc0000 R08: 0000000000000005 R09: 0000000000000000
[   75.454287][ T5080] R10: 00000000ffffffff R11: 0000000000000000 R12: 00000000484e009f
[   75.462430][ T5080] R13: ffff888144c49628 R14: ffff888146bc0460 R15: ffff888144c49ab8
[   75.470537][ T5080] FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   75.479529][ T5080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.486229][ T5080] CR2: 00007fb645428948 CR3: 000000000c571000 CR4: 00000000003506e0
[   75.494282][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   75.502351][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   75.510361][ T5080] Call Trace:
[   75.513711][ T5080]  <TASK>
[   75.516683][ T5080]  blkdev_close+0x68/0x80
[   75.521127][ T5080]  __fput+0x27c/0xa90
[   75.525174][ T5080]  ? blkdev_fsync+0xa0/0xa0
[   75.529722][ T5080]  task_work_run+0x16f/0x270
[   75.534410][ T5080]  ? task_work_cancel+0x30/0x30
[   75.539345][ T5080]  ? do_raw_spin_unlock+0x175/0x230
[   75.544659][ T5080]  do_exit+0xb42/0x2b60
[   75.548885][ T5080]  ? mm_update_next_owner+0x7b0/0x7b0
[   75.554429][ T5080]  ? _raw_spin_unlock_irq+0x23/0x50
[   75.559703][ T5080]  do_group_exit+0xd4/0x2a0
[   75.564291][ T5080]  __x64_sys_exit_group+0x3e/0x50
[   75.569361][ T5080]  do_syscall_64+0x39/0xb0
[   75.573861][ T5080]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   75.579820][ T5080] RIP: 0033:0x7fb6453e4639
[   75.584339][ T5080] Code: Unable to access opcode bytes at 0x7fb6453e460f.
[   75.591474][ T5080] RSP: 002b:00007ffcfacb3ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   75.599937][ T5080] RAX: ffffffffffffffda RBX: 00007fb645458270 RCX: 00007fb6453e4639
[   75.608013][ T5080] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   75.616052][ T5080] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
[   75.624186][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb645458270
[   75.632236][ T5080] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   75.640256][ T5080]  </TASK>
[   75.643352][ T5080] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   75.650648][ T5080] CPU: 1 PID: 5080 Comm: syz-executor158 Not tainted 6.2.0-rc8-next-20230220-syzkaller #0
[   75.660571][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[   75.670637][ T5080] Call Trace:
[   75.673933][ T5080]  <TASK>
[   75.676875][ T5080]  dump_stack_lvl+0xd9/0x150
[   75.681491][ T5080]  panic+0x61b/0x6c0
[   75.685411][ T5080]  ? panic_smp_self_stop+0x90/0x90
[   75.690544][ T5080]  ? show_trace_log_lvl+0x285/0x390
[   75.695790][ T5080]  ? blkdev_put+0x6ca/0x770
[   75.700314][ T5080]  check_panic_on_warn+0xb1/0xc0
[   75.705315][ T5080]  __warn+0xf2/0x4f0
[   75.709261][ T5080]  ? blkdev_put+0x6ca/0x770
[   75.713800][ T5080]  report_bug+0x2da/0x500
[   75.718181][ T5080]  handle_bug+0x3c/0x70
[   75.722376][ T5080]  exc_invalid_op+0x18/0x50
[   75.726921][ T5080]  asm_exc_invalid_op+0x1a/0x20
[   75.731843][ T5080] RIP: 0010:blkdev_put+0x6ca/0x770
[   75.736992][ T5080] Code: 48 8b 3c 24 e8 b7 7c da fd e9 99 fa ff ff e8 8d 7c da fd e9 cf fb ff ff 4c 89 ff e8 80 7c da fd e9 80 fd ff ff e8 e6 ea 88 fd <0f> 0b e9 ef fc ff ff e8 8a 7c da fd e9 f3 fa ff ff 48 8b 3c 24 e8
[   75.756630][ T5080] RSP: 0018:ffffc90003cefc88 EFLAGS: 00010293
[   75.762734][ T5080] RAX: 0000000000000000 RBX: ffff888144c49600 RCX: 0000000000000000
[   75.770752][ T5080] RDX: ffff88807c2f8000 RSI: ffffffff83fbb8da RDI: 0000000000000005
[   75.778746][ T5080] RBP: ffff888146bc0000 R08: 0000000000000005 R09: 0000000000000000
[   75.786738][ T5080] R10: 00000000ffffffff R11: 0000000000000000 R12: 00000000484e009f
[   75.794734][ T5080] R13: ffff888144c49628 R14: ffff888146bc0460 R15: ffff888144c49ab8
[   75.802741][ T5080]  ? blkdev_put+0x6ca/0x770
[   75.807288][ T5080]  ? blkdev_put+0x6ca/0x770
[   75.811833][ T5080]  blkdev_close+0x68/0x80
[   75.816197][ T5080]  __fput+0x27c/0xa90
[   75.820216][ T5080]  ? blkdev_fsync+0xa0/0xa0
[   75.824773][ T5080]  task_work_run+0x16f/0x270
[   75.829411][ T5080]  ? task_work_cancel+0x30/0x30
[   75.834313][ T5080]  ? do_raw_spin_unlock+0x175/0x230
[   75.839555][ T5080]  do_exit+0xb42/0x2b60
[   75.843746][ T5080]  ? mm_update_next_owner+0x7b0/0x7b0
[   75.849151][ T5080]  ? _raw_spin_unlock_irq+0x23/0x50
[   75.854405][ T5080]  do_group_exit+0xd4/0x2a0
[   75.858940][ T5080]  __x64_sys_exit_group+0x3e/0x50
[   75.863993][ T5080]  do_syscall_64+0x39/0xb0
[   75.868466][ T5080]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   75.874408][ T5080] RIP: 0033:0x7fb6453e4639
[   75.878858][ T5080] Code: Unable to access opcode bytes at 0x7fb6453e460f.
[   75.885895][ T5080] RSP: 002b:00007ffcfacb3ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   75.894338][ T5080] RAX: ffffffffffffffda RBX: 00007fb645458270 RCX: 00007fb6453e4639
[   75.902332][ T5080] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   75.910324][ T5080] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
[   75.918316][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb645458270
[   75.926310][ T5080] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   75.934335][ T5080]  </TASK>
[   75.937644][ T5080] Kernel Offset: disabled
[   75.942086][ T5080] Rebooting in 86400 seconds..