./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor392014906
<...>
Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts.
execve("./syz-executor392014906", ["./syz-executor392014906"], 0x7ffd792501d0 /* 10 vars */) = 0
brk(NULL) = 0x55556f206000
brk(0x55556f206d00) = 0x55556f206d00
arch_prctl(ARCH_SET_FS, 0x55556f206380) = 0
set_tid_address(0x55556f206650) = 5076
set_robust_list(0x55556f206660, 24) = 0
rseq(0x55556f206ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor392014906", 4096) = 27
getrandom("\x13\xf9\xa7\x9e\xfa\xe3\x2d\x65", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556f206d00
brk(0x55556f227d00) = 0x55556f227d00
brk(0x55556f228000) = 0x55556f228000
mprotect(0x7f6a4a709000, 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) = 0x7f6a42200000
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(0x7f6a42200000, 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
syzkaller login: [ 74.045220][ T5076] loop0: detected capacity change from 0 to 128
[ 74.092963][ T5076] oldfs: cannot read superblock
[ 74.098218][ T5076] ------------[ cut here ]------------
[ 74.103719][ T5076] VFS: brelse: Trying to free free buffer
[ 74.109621][ T5076] WARNING: CPU: 0 PID: 5076 at fs/buffer.c:1235 invalidate_bh_lru+0x102/0x1b0
[ 74.118492][ T5076] Modules linked in:
[ 74.122384][ T5076] CPU: 0 PID: 5076 Comm: syz-executor392 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0
[ 74.132781][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 74.142827][ T5076] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[ 74.148540][ T5076] Code: f4 2a dd ff f0 ff 0b eb 25 e8 5a d8 7b ff 41 80 3c 2e 00 75 2a eb 30 e8 4c d8 7b ff 90 48 c7 c7 40 c8 d8 8b e8 0f 54 3e ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
[ 74.168159][ T5076] RSP: 0018:ffffc900035cf908 EFLAGS: 00010046
[ 74.174220][ T5076] RAX: f46ee2e98220fd00 RBX: ffff888076d3d970 RCX: ffff888023af0000
[ 74.182191][ T5076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 74.190156][ T5076] RBP: 0000000000000000 R08: ffffffff81588f92 R09: 1ffff1101728519a
[ 74.198129][ T5076] R10: dffffc0000000000 R11: ffffed101728519b R12: ffff8880b9439370
[ 74.206209][ T5076] R13: 0000000000000000 R14: 1ffff1101728726e R15: ffff8880b9439370
[ 74.214217][ T5076] FS: 000055556f206380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 74.223934][ T5076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 74.230527][ T5076] CR2: 000055665698b628 CR3: 0000000077a48000 CR4: 00000000003506f0
[ 74.238507][ T5076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 74.246498][ T5076] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 74.254487][ T5076] Call Trace:
[ 74.257789][ T5076]
[ 74.260730][ T5076] ? __warn+0x163/0x4e0
[ 74.264892][ T5076] ? invalidate_bh_lru+0x102/0x1b0
[ 74.270005][ T5076] ? report_bug+0x2b3/0x500
[ 74.274523][ T5076] ? invalidate_bh_lru+0x102/0x1b0
[ 74.279634][ T5076] ? handle_bug+0x3e/0x70
[ 74.283971][ T5076] ? exc_invalid_op+0x1a/0x50
[ 74.288653][ T5076] ? asm_exc_invalid_op+0x1a/0x20
[ 74.293694][ T5076] ? __warn_printk+0x292/0x360
[ 74.298467][ T5076] ? invalidate_bh_lru+0x102/0x1b0
[ 74.303585][ T5076] ? invalidate_bh_lru+0x101/0x1b0
[ 74.308699][ T5076] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 74.314157][ T5076] smp_call_function_many_cond+0x15fe/0x2a00
[ 74.320160][ T5076] ? __pfx_has_bh_in_lru+0x10/0x10
[ 74.325296][ T5076] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 74.330774][ T5076] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 74.337112][ T5076] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 74.342584][ T5076] ? __pfx_has_bh_in_lru+0x10/0x10
[ 74.347724][ T5076] on_each_cpu_cond_mask+0x3f/0x80
[ 74.352856][ T5076] blkdev_flush_mapping+0x14c/0x2b0
[ 74.358080][ T5076] bdev_release+0x489/0x720
[ 74.362593][ T5076] ? __pfx_blkdev_release+0x10/0x10
[ 74.367794][ T5076] blkdev_release+0x15/0x20
[ 74.372298][ T5076] __fput+0x429/0x8a0
[ 74.376305][ T5076] task_work_run+0x24f/0x310
[ 74.380914][ T5076] ? __pfx_task_work_run+0x10/0x10
[ 74.386031][ T5076] ? lockdep_hardirqs_on+0x99/0x150
[ 74.391255][ T5076] ptrace_notify+0x2d2/0x380
[ 74.395873][ T5076] ? kfree+0x153/0x3a0
[ 74.399972][ T5076] ? __pfx_ptrace_notify+0x10/0x10
[ 74.405093][ T5076] ? __se_sys_mount+0x37c/0x3c0
[ 74.409946][ T5076] ? __pfx___se_sys_mount+0x10/0x10
[ 74.415144][ T5076] syscall_exit_work+0xc6/0x190
[ 74.420001][ T5076] syscall_exit_to_user_mode+0x273/0x370
[ 74.425648][ T5076] do_syscall_64+0x102/0x240
[ 74.430237][ T5076] ? clear_bhb_loop+0x35/0x90
[ 74.434911][ T5076] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.440799][ T5076] RIP: 0033:0x7f6a4a68dbba
[ 74.445205][ T5076] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 74.464812][ T5076] RSP: 002b:00007fff1176fae8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 74.473250][ T5076] RAX: ffffffffffffffea RBX: 00007fff1176fb00 RCX: 00007f6a4a68dbba
[ 74.481228][ T5076] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00007fff1176fb00
[ 74.489200][ T5076] RBP: 0000000000000004 R08: 00007fff1176fb40 R09: 0000000000009e7b
[ 74.497178][ T5076] R10: 0000000000004000 R11: 0000000000000282 R12: 0000000000004000
[ 74.505148][ T5076] R13: 00007fff1176fb40 R14: 0000000000000003 R15: 0000000000010000
[ 74.513239][ T5076]
[ 74.516256][ T5076] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 74.523529][ T5076] CPU: 0 PID: 5076 Comm: syz-executor392 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0
[ 74.533933][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 74.543983][ T5076] Call Trace:
[ 74.547271][ T5076]
[ 74.550198][ T5076] dump_stack_lvl+0x241/0x360
[ 74.554892][ T5076] ? __pfx_dump_stack_lvl+0x10/0x10
[ 74.560109][ T5076] ? __pfx__printk+0x10/0x10
[ 74.564725][ T5076] ? vscnprintf+0x5d/0x90
[ 74.569060][ T5076] panic+0x349/0x860
[ 74.572990][ T5076] ? __warn+0x172/0x4e0
[ 74.577151][ T5076] ? __pfx_panic+0x10/0x10
[ 74.581588][ T5076] __warn+0x346/0x4e0
[ 74.585595][ T5076] ? invalidate_bh_lru+0x102/0x1b0
[ 74.590726][ T5076] report_bug+0x2b3/0x500
[ 74.595059][ T5076] ? invalidate_bh_lru+0x102/0x1b0
[ 74.600170][ T5076] handle_bug+0x3e/0x70
[ 74.604333][ T5076] exc_invalid_op+0x1a/0x50
[ 74.608844][ T5076] asm_exc_invalid_op+0x1a/0x20
[ 74.613703][ T5076] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[ 74.619432][ T5076] Code: f4 2a dd ff f0 ff 0b eb 25 e8 5a d8 7b ff 41 80 3c 2e 00 75 2a eb 30 e8 4c d8 7b ff 90 48 c7 c7 40 c8 d8 8b e8 0f 54 3e ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
[ 74.639034][ T5076] RSP: 0018:ffffc900035cf908 EFLAGS: 00010046
[ 74.645100][ T5076] RAX: f46ee2e98220fd00 RBX: ffff888076d3d970 RCX: ffff888023af0000
[ 74.653067][ T5076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 74.661466][ T5076] RBP: 0000000000000000 R08: ffffffff81588f92 R09: 1ffff1101728519a
[ 74.669429][ T5076] R10: dffffc0000000000 R11: ffffed101728519b R12: ffff8880b9439370
[ 74.677398][ T5076] R13: 0000000000000000 R14: 1ffff1101728726e R15: ffff8880b9439370
[ 74.685378][ T5076] ? __warn_printk+0x292/0x360
[ 74.690246][ T5076] ? invalidate_bh_lru+0x101/0x1b0
[ 74.695359][ T5076] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 74.700821][ T5076] smp_call_function_many_cond+0x15fe/0x2a00
[ 74.706817][ T5076] ? __pfx_has_bh_in_lru+0x10/0x10
[ 74.711927][ T5076] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 74.717492][ T5076] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 74.723833][ T5076] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 74.729324][ T5076] ? __pfx_has_bh_in_lru+0x10/0x10
[ 74.734428][ T5076] on_each_cpu_cond_mask+0x3f/0x80
[ 74.739540][ T5076] blkdev_flush_mapping+0x14c/0x2b0
[ 74.744736][ T5076] bdev_release+0x489/0x720
[ 74.749246][ T5076] ? __pfx_blkdev_release+0x10/0x10
[ 74.754438][ T5076] blkdev_release+0x15/0x20
[ 74.758946][ T5076] __fput+0x429/0x8a0
[ 74.762941][ T5076] task_work_run+0x24f/0x310
[ 74.767540][ T5076] ? __pfx_task_work_run+0x10/0x10
[ 74.772657][ T5076] ? lockdep_hardirqs_on+0x99/0x150
[ 74.777860][ T5076] ptrace_notify+0x2d2/0x380
[ 74.782452][ T5076] ? kfree+0x153/0x3a0
[ 74.786519][ T5076] ? __pfx_ptrace_notify+0x10/0x10
[ 74.791631][ T5076] ? __se_sys_mount+0x37c/0x3c0
[ 74.796483][ T5076] ? __pfx___se_sys_mount+0x10/0x10
[ 74.801681][ T5076] syscall_exit_work+0xc6/0x190
[ 74.806548][ T5076] syscall_exit_to_user_mode+0x273/0x370
[ 74.812188][ T5076] do_syscall_64+0x102/0x240
[ 74.816782][ T5076] ? clear_bhb_loop+0x35/0x90
[ 74.821463][ T5076] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.827355][ T5076] RIP: 0033:0x7f6a4a68dbba
[ 74.831776][ T5076] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 74.851416][ T5076] RSP: 002b:00007fff1176fae8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 74.859854][ T5076] RAX: ffffffffffffffea RBX: 00007fff1176fb00 RCX: 00007f6a4a68dbba
[ 74.867865][ T5076] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00007fff1176fb00
[ 74.875896][ T5076] RBP: 0000000000000004 R08: 00007fff1176fb40 R09: 0000000000009e7b
[ 74.883962][ T5076] R10: 0000000000004000 R11: 0000000000000282 R12: 0000000000004000
[ 74.891951][ T5076] R13: 00007fff1176fb40 R14: 0000000000000003 R15: 0000000000010000
[ 74.899943][ T5076]
[ 74.903281][ T5076] Kernel Offset: disabled
[ 74.907649][ T5076] Rebooting in 86400 seconds..