./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3547810589
<...>
Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts.
execve("./syz-executor3547810589", ["./syz-executor3547810589"], 0x7ffcbb4dce90 /* 10 vars */) = 0
brk(NULL) = 0x5555692b0000
brk(0x5555692b0d00) = 0x5555692b0d00
arch_prctl(ARCH_SET_FS, 0x5555692b0380) = 0
set_tid_address(0x5555692b0650) = 5068
set_robust_list(0x5555692b0660, 24) = 0
rseq(0x5555692b0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3547810589", 4096) = 28
getrandom("\x32\x8c\x00\x9d\xe7\xfa\xe0\xc3", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555692b0d00
brk(0x5555692d1d00) = 0x5555692d1d00
brk(0x5555692d2000) = 0x5555692d2000
mprotect(0x7fd038011000, 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) = 0x7fd02fa00000
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(0x7fd02fa00000, 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
[ 57.775698][ T5068] loop0: detected capacity change from 0 to 128
[ 57.794033][ T5068] oldfs: cannot read superblock
[ 57.799414][ T5068] ------------[ cut here ]------------
[ 57.804978][ T5068] VFS: brelse: Trying to free free buffer
[ 57.810802][ T5068] WARNING: CPU: 1 PID: 5068 at fs/buffer.c:1235 invalidate_bh_lru+0x102/0x1b0
[ 57.819678][ T5068] Modules linked in:
[ 57.823581][ T5068] CPU: 1 PID: 5068 Comm: syz-executor354 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0
[ 57.833982][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 57.844030][ T5068] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[ 57.850020][ T5068] Code: 34 4f dd ff f0 ff 0b eb 25 e8 2a 3b 7c ff 41 80 3c 2e 00 75 2a eb 30 e8 1c 3b 7c ff 90 48 c7 c7 c0 dc d8 8b e8 9f b7 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
[ 57.869826][ T5068] RSP: 0018:ffffc900033f7908 EFLAGS: 00010046
[ 57.875884][ T5068] RAX: e53e6c070388ec00 RBX: ffff88807b91c6b8 RCX: ffff888022689e00
[ 57.884046][ T5068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 57.892059][ T5068] RBP: 0000000000000000 R08: ffffffff81587f92 R09: 1ffff110172a519a
[ 57.900207][ T5068] R10: dffffc0000000000 R11: ffffed10172a519b R12: ffff8880b9539370
[ 57.908206][ T5068] R13: 0000000000000000 R14: 1ffff110172a726e R15: ffff8880b9539370
[ 57.916416][ T5068] FS: 00005555692b0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 57.925384][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.932656][ T5068] CR2: 00007fd02fa0f000 CR3: 0000000023be0000 CR4: 00000000003506f0
[ 57.940622][ T5068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.948583][ T5068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.956548][ T5068] Call Trace:
[ 57.959843][ T5068]
[ 57.962883][ T5068] ? __warn+0x163/0x4e0
[ 57.967048][ T5068] ? invalidate_bh_lru+0x102/0x1b0
[ 57.972444][ T5068] ? report_bug+0x2b3/0x500
[ 57.976945][ T5068] ? invalidate_bh_lru+0x102/0x1b0
[ 57.982069][ T5068] ? handle_bug+0x3e/0x70
[ 57.986583][ T5068] ? exc_invalid_op+0x1a/0x50
[ 57.991360][ T5068] ? asm_exc_invalid_op+0x1a/0x20
[ 57.996409][ T5068] ? __warn_printk+0x292/0x360
[ 58.001176][ T5068] ? invalidate_bh_lru+0x102/0x1b0
[ 58.006282][ T5068] ? invalidate_bh_lru+0x101/0x1b0
[ 58.011560][ T5068] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 58.017039][ T5068] smp_call_function_many_cond+0x15fe/0x2a00
[ 58.023017][ T5068] ? __pfx_has_bh_in_lru+0x10/0x10
[ 58.028310][ T5068] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 58.033975][ T5068] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 58.040400][ T5068] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 58.046021][ T5068] ? __pfx_has_bh_in_lru+0x10/0x10
[ 58.051124][ T5068] on_each_cpu_cond_mask+0x3f/0x80
[ 58.056260][ T5068] blkdev_flush_mapping+0x14c/0x2b0
[ 58.061551][ T5068] bdev_release+0x489/0x720
[ 58.066046][ T5068] ? __pfx_blkdev_release+0x10/0x10
[ 58.071254][ T5068] blkdev_release+0x15/0x20
[ 58.075770][ T5068] __fput+0x429/0x8a0
[ 58.079747][ T5068] task_work_run+0x24f/0x310
[ 58.084333][ T5068] ? __pfx_task_work_run+0x10/0x10
[ 58.089435][ T5068] ? lockdep_hardirqs_on+0x99/0x150
[ 58.094627][ T5068] ptrace_notify+0x2d2/0x380
[ 58.099207][ T5068] ? kfree+0x153/0x3a0
[ 58.103266][ T5068] ? __pfx_ptrace_notify+0x10/0x10
[ 58.108382][ T5068] ? __se_sys_mount+0x37c/0x3c0
[ 58.113230][ T5068] ? __pfx___se_sys_mount+0x10/0x10
[ 58.118414][ T5068] syscall_exit_work+0xc6/0x190
[ 58.123258][ T5068] syscall_exit_to_user_mode+0x273/0x370
[ 58.128890][ T5068] do_syscall_64+0x102/0x240
[ 58.133473][ T5068] ? clear_bhb_loop+0x35/0x90
[ 58.138140][ T5068] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 58.144717][ T5068] RIP: 0033:0x7fd037f958fa
[ 58.149295][ T5068] 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
[ 58.169155][ T5068] RSP: 002b:00007ffc9c4b7c88 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 58.177606][ T5068] RAX: ffffffffffffffea RBX: 00007ffc9c4b7ca0 RCX: 00007fd037f958fa
[ 58.185576][ T5068] RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007ffc9c4b7ca0
[ 58.193566][ T5068] RBP: 0000000000000004 R08: 00007ffc9c4b7ce0 R09: 0000000000009e47
[ 58.201899][ T5068] R10: 0000000000000404 R11: 0000000000000282 R12: 0000000000000404
[ 58.209900][ T5068] R13: 00007ffc9c4b7ce0 R14: 0000000000000003 R15: 0000000000010000
[ 58.218033][ T5068]
[ 58.221051][ T5068] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 58.228327][ T5068] CPU: 1 PID: 5068 Comm: syz-executor354 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0
[ 58.238735][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 58.248783][ T5068] Call Trace:
[ 58.252080][ T5068]
[ 58.255005][ T5068] dump_stack_lvl+0x241/0x360
[ 58.259689][ T5068] ? __pfx_dump_stack_lvl+0x10/0x10
[ 58.264964][ T5068] ? __pfx__printk+0x10/0x10
[ 58.269562][ T5068] ? vscnprintf+0x5d/0x90
[ 58.274064][ T5068] panic+0x349/0x860
[ 58.277947][ T5068] ? __warn+0x172/0x4e0
[ 58.282090][ T5068] ? __pfx_panic+0x10/0x10
[ 58.286503][ T5068] __warn+0x346/0x4e0
[ 58.290739][ T5068] ? invalidate_bh_lru+0x102/0x1b0
[ 58.295866][ T5068] report_bug+0x2b3/0x500
[ 58.300375][ T5068] ? invalidate_bh_lru+0x102/0x1b0
[ 58.305477][ T5068] handle_bug+0x3e/0x70
[ 58.313999][ T5068] exc_invalid_op+0x1a/0x50
[ 58.318508][ T5068] asm_exc_invalid_op+0x1a/0x20
[ 58.323349][ T5068] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[ 58.329060][ T5068] Code: 34 4f dd ff f0 ff 0b eb 25 e8 2a 3b 7c ff 41 80 3c 2e 00 75 2a eb 30 e8 1c 3b 7c ff 90 48 c7 c7 c0 dc d8 8b e8 9f b7 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
[ 58.348742][ T5068] RSP: 0018:ffffc900033f7908 EFLAGS: 00010046
[ 58.354804][ T5068] RAX: e53e6c070388ec00 RBX: ffff88807b91c6b8 RCX: ffff888022689e00
[ 58.362767][ T5068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 58.370818][ T5068] RBP: 0000000000000000 R08: ffffffff81587f92 R09: 1ffff110172a519a
[ 58.378861][ T5068] R10: dffffc0000000000 R11: ffffed10172a519b R12: ffff8880b9539370
[ 58.387009][ T5068] R13: 0000000000000000 R14: 1ffff110172a726e R15: ffff8880b9539370
[ 58.395200][ T5068] ? __warn_printk+0x292/0x360
[ 58.399997][ T5068] ? invalidate_bh_lru+0x101/0x1b0
[ 58.405310][ T5068] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 58.410775][ T5068] smp_call_function_many_cond+0x15fe/0x2a00
[ 58.416758][ T5068] ? __pfx_has_bh_in_lru+0x10/0x10
[ 58.421863][ T5068] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 58.427319][ T5068] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 58.433644][ T5068] ? __pfx_invalidate_bh_lru+0x10/0x10
[ 58.439090][ T5068] ? __pfx_has_bh_in_lru+0x10/0x10
[ 58.444208][ T5068] on_each_cpu_cond_mask+0x3f/0x80
[ 58.449318][ T5068] blkdev_flush_mapping+0x14c/0x2b0
[ 58.454513][ T5068] bdev_release+0x489/0x720
[ 58.459093][ T5068] ? __pfx_blkdev_release+0x10/0x10
[ 58.464298][ T5068] blkdev_release+0x15/0x20
[ 58.468791][ T5068] __fput+0x429/0x8a0
[ 58.472786][ T5068] task_work_run+0x24f/0x310
[ 58.478150][ T5068] ? __pfx_task_work_run+0x10/0x10
[ 58.483266][ T5068] ? lockdep_hardirqs_on+0x99/0x150
[ 58.488537][ T5068] ptrace_notify+0x2d2/0x380
[ 58.493128][ T5068] ? kfree+0x153/0x3a0
[ 58.497191][ T5068] ? __pfx_ptrace_notify+0x10/0x10
[ 58.502315][ T5068] ? __se_sys_mount+0x37c/0x3c0
[ 58.507684][ T5068] ? __pfx___se_sys_mount+0x10/0x10
[ 58.512873][ T5068] syscall_exit_work+0xc6/0x190
[ 58.517712][ T5068] syscall_exit_to_user_mode+0x273/0x370
[ 58.523339][ T5068] do_syscall_64+0x102/0x240
[ 58.528460][ T5068] ? clear_bhb_loop+0x35/0x90
[ 58.533139][ T5068] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 58.539065][ T5068] RIP: 0033:0x7fd037f958fa
[ 58.543475][ T5068] 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
[ 58.563184][ T5068] RSP: 002b:00007ffc9c4b7c88 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 58.571590][ T5068] RAX: ffffffffffffffea RBX: 00007ffc9c4b7ca0 RCX: 00007fd037f958fa
[ 58.579644][ T5068] RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007ffc9c4b7ca0
[ 58.587691][ T5068] RBP: 0000000000000004 R08: 00007ffc9c4b7ce0 R09: 0000000000009e47
[ 58.595755][ T5068] R10: 0000000000000404 R11: 0000000000000282 R12: 0000000000000404
[ 58.603757][ T5068] R13: 00007ffc9c4b7ce0 R14: 0000000000000003 R15: 0000000000010000
[ 58.611917][ T5068]
[ 58.615308][ T5068] Kernel Offset: disabled
[ 58.619668][ T5068] Rebooting in 86400 seconds..