./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3398529358
<...>
Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts.
execve("./syz-executor3398529358", ["./syz-executor3398529358"], 0x7ffd52d200c0 /* 10 vars */) = 0
brk(NULL) = 0x555575d40000
brk(0x555575d40d00) = 0x555575d40d00
arch_prctl(ARCH_SET_FS, 0x555575d40380) = 0
set_tid_address(0x555575d40650) = 5070
set_robust_list(0x555575d40660, 24) = 0
rseq(0x555575d40ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3398529358", 4096) = 28
getrandom("\x61\xf7\x3a\x08\x51\x7b\x8b\x60", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555575d40d00
brk(0x555575d61d00) = 0x555575d61d00
brk(0x555575d62000) = 0x555575d62000
mprotect(0x7fc8cfa4f000, 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
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc8c7400000
write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
munmap(0x7fc8c7400000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0
[ 72.282890][ T5070] loop0: detected capacity change from 0 to 128
[ 72.316072][ T5070] oldfs: cannot read superblock
[ 72.329176][ T5071] ------------[ cut here ]------------
[ 72.334862][ T5071] VFS: brelse: Trying to free free buffer
[ 72.341617][ T5071] WARNING: CPU: 0 PID: 5071 at fs/buffer.c:1235 invalidate_bh_lru+0x102/0x1b0
[ 72.350714][ T5071] Modules linked in:
[ 72.354618][ T5071] CPU: 0 PID: 5071 Comm: udevd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 72.363815][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 72.373869][ T5071] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[ 72.379604][ T5071] Code: 14 3f dd ff f0 ff 0b eb 25 e8 4a ed 79 ff 41 80 3c 2e 00 75 2a eb 30 e8 3c ed 79 ff 90 48 c7 c7 20 e3 b8 8b e8 5f c1 3c ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
[ 72.399212][ T5071] RSP: 0018:ffffc90003f6fb28 EFLAGS: 00010046
[ 72.405282][ T5071] RAX: b6ce4d50f5961500 RBX: ffff8880771cdee0 RCX: ffff888028d19e00
[ 72.413253][ T5071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 72.421223][ T5071] RBP: 0000000000000000 R08: ffffffff8157cc12 R09: 1ffff920007edf04
[ 72.429194][ T5071] R10: dffffc0000000000 R11: fffff520007edf05 R12: ffff8880b9439030
[ 72.437167][ T5071] R13: 0000000000000000 R14: 1ffff11017287206 R15: ffff8880b9439030
[ 72.445139][ T5071] FS: 00007f3410cb0c80(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 72.454068][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.460648][ T5071] CR2: 0000559bbb92df08 CR3: 0000000074c68000 CR4: 0000000000350ef0
[ 72.468623][ T5071] Call Trace:
[ 72.471899][ T5071]
[ 72.474829][ T5071] ? __warn+0x163/0x4b0
[ 72.478997][ T5071] ? invalidate_bh_lru+0x102/0x1b0
[ 72.484120][ T5071] ? report_bug+0x2b3/0x500
[ 72.488646][ T5071] ? invalidate_bh_lru+0x102/0x1b0
[ 72.493768][ T5071] ? handle_bug+0x3e/0x70
[ 72.498100][ T5071] ? exc_invalid_op+0x1a/0x50
[ 72.502779][ T5071] ? asm_exc_invalid_op+0x1a/0x20
[ 72.507818][ T5071] ? __warn_printk+0x292/0x360
[ 72.512596][ T5071] ? invalidate_bh_lru+0x102/0x1b0
[ 72.517770][ T5071] ? invalidate_bh_lru+0x101/0x1b0
[ 72.522898][ T5071] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 72.528375][ T5071] smp_call_function_many_cond+0x15cc/0x2960
[ 72.534372][ T5071] ? __pfx_has_bh_in_lru+0x10/0x10
[ 72.539505][ T5071] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 72.545752][ T5071] ? I_BDEV+0xd/0x20
[ 72.549672][ T5071] ? __pfx_filemap_write_and_wait_range+0x10/0x10
[ 72.556096][ T5071] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 72.562435][ T5071] ? __pfx___mutex_lock+0x10/0x10
[ 72.567469][ T5071] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 72.572940][ T5071] ? __pfx_has_bh_in_lru+0x10/0x10
[ 72.578056][ T5071] on_each_cpu_cond_mask+0x3f/0x80
[ 72.583180][ T5071] blkdev_flush_mapping+0x14c/0x2b0
[ 72.588403][ T5071] bdev_release+0x6e8/0xa20
[ 72.592934][ T5071] ? __pfx_blkdev_release+0x10/0x10
[ 72.598149][ T5071] blkdev_release+0x15/0x20
[ 72.602664][ T5071] __fput+0x42b/0x8a0
[ 72.606680][ T5071] __x64_sys_close+0x7f/0x110
[ 72.611367][ T5071] do_syscall_64+0xfd/0x240
[ 72.615874][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 72.621776][ T5071] RIP: 0033:0x7f34109170a8
[ 72.626279][ T5071] Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
[ 72.645907][ T5071] RSP: 002b:00007ffde76d3a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 72.654333][ T5071] RAX: ffffffffffffffda RBX: 00007f3410cb0ae0 RCX: 00007f34109170a8
[ 72.662307][ T5071] RDX: 0000559ee228cd85 RSI: 00007ffde76d3258 RDI: 0000000000000008
[ 72.670284][ T5071] RBP: 0000559bbb93a650 R08: 0000000000000006 R09: c3ae30b6895c85c2
[ 72.678272][ T5071] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
[ 72.686247][ T5071] R13: 0000559bbb924ae0 R14: 0000000000000008 R15: 0000559bbb913910
[ 72.694240][ T5071]
[ 72.697263][ T5071] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 72.704537][ T5071] CPU: 0 PID: 5071 Comm: udevd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 72.713732][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 72.723819][ T5071] Call Trace:
[ 72.727110][ T5071]
[ 72.730041][ T5071] dump_stack_lvl+0x241/0x360
[ 72.734744][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10
[ 72.739982][ T5071] ? __pfx__printk+0x10/0x10
[ 72.744589][ T5071] ? srso_return_thunk+0x5/0x5f
[ 72.749455][ T5071] ? vscnprintf+0x5d/0x90
[ 72.753794][ T5071] panic+0x349/0x860
[ 72.757703][ T5071] ? srso_return_thunk+0x5/0x5f
[ 72.762563][ T5071] ? __warn+0x172/0x4b0
[ 72.766742][ T5071] ? __pfx_panic+0x10/0x10
[ 72.771191][ T5071] __warn+0x31e/0x4b0
[ 72.775202][ T5071] ? invalidate_bh_lru+0x102/0x1b0
[ 72.780344][ T5071] report_bug+0x2b3/0x500
[ 72.784697][ T5071] ? invalidate_bh_lru+0x102/0x1b0
[ 72.789849][ T5071] handle_bug+0x3e/0x70
[ 72.794011][ T5071] exc_invalid_op+0x1a/0x50
[ 72.798528][ T5071] asm_exc_invalid_op+0x1a/0x20
[ 72.803394][ T5071] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[ 72.809129][ T5071] Code: 14 3f dd ff f0 ff 0b eb 25 e8 4a ed 79 ff 41 80 3c 2e 00 75 2a eb 30 e8 3c ed 79 ff 90 48 c7 c7 20 e3 b8 8b e8 5f c1 3c ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
[ 72.828738][ T5071] RSP: 0018:ffffc90003f6fb28 EFLAGS: 00010046
[ 72.834809][ T5071] RAX: b6ce4d50f5961500 RBX: ffff8880771cdee0 RCX: ffff888028d19e00
[ 72.842780][ T5071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 72.850752][ T5071] RBP: 0000000000000000 R08: ffffffff8157cc12 R09: 1ffff920007edf04
[ 72.858724][ T5071] R10: dffffc0000000000 R11: fffff520007edf05 R12: ffff8880b9439030
[ 72.866703][ T5071] R13: 0000000000000000 R14: 1ffff11017287206 R15: ffff8880b9439030
[ 72.874688][ T5071] ? __warn_printk+0x292/0x360
[ 72.879486][ T5071] ? invalidate_bh_lru+0x101/0x1b0
[ 72.884610][ T5071] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 72.890072][ T5071] smp_call_function_many_cond+0x15cc/0x2960
[ 72.896077][ T5071] ? __pfx_has_bh_in_lru+0x10/0x10
[ 72.901198][ T5071] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 72.906662][ T5071] ? I_BDEV+0xd/0x20
[ 72.910573][ T5071] ? __pfx_filemap_write_and_wait_range+0x10/0x10
[ 72.916994][ T5071] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 72.923333][ T5071] ? __pfx___mutex_lock+0x10/0x10
[ 72.928367][ T5071] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 72.933824][ T5071] ? __pfx_has_bh_in_lru+0x10/0x10
[ 72.938938][ T5071] on_each_cpu_cond_mask+0x3f/0x80
[ 72.944064][ T5071] blkdev_flush_mapping+0x14c/0x2b0
[ 72.949282][ T5071] bdev_release+0x6e8/0xa20
[ 72.953807][ T5071] ? __pfx_blkdev_release+0x10/0x10
[ 72.959020][ T5071] blkdev_release+0x15/0x20
[ 72.963537][ T5071] __fput+0x42b/0x8a0
[ 72.967535][ T5071] __x64_sys_close+0x7f/0x110
[ 72.972214][ T5071] do_syscall_64+0xfd/0x240
[ 72.976731][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 72.982634][ T5071] RIP: 0033:0x7f34109170a8
[ 72.987046][ T5071] Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
[ 73.006657][ T5071] RSP: 002b:00007ffde76d3a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 73.015077][ T5071] RAX: ffffffffffffffda RBX: 00007f3410cb0ae0 RCX: 00007f34109170a8
[ 73.023057][ T5071] RDX: 0000559ee228cd85 RSI: 00007ffde76d3258 RDI: 0000000000000008
[ 73.031031][ T5071] RBP: 0000559bbb93a650 R08: 0000000000000006 R09: c3ae30b6895c85c2
[ 73.039011][ T5071] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
[ 73.046990][ T5071] R13: 0000559bbb924ae0 R14: 0000000000000008 R15: 0000559bbb913910
[ 73.054977][ T5071]
[ 73.058267][ T5071] Kernel Offset: disabled
[ 73.062643][ T5071] Rebooting in 86400 seconds..