Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts.
executing program
[   32.029975] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0
[   32.048479] BTRFS info (device loop0): enabling inode map caching
[   32.055187] BTRFS warning (device loop0): excessive commit interval 622039222
[   32.063980] BTRFS info (device loop0): force zlib compression
[   32.069964] BTRFS info (device loop0): using free space tree
[   32.076209] BTRFS info (device loop0): has skinny extents
[   32.120285] FAULT_INJECTION: forcing a failure.
[   32.120285] name failslab, interval 1, probability 0, space 0, times 1
[   32.131844] CPU: 0 PID: 7962 Comm: syz-executor386 Not tainted 4.14.307-syzkaller #0
[   32.139738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[   32.149094] Call Trace:
[   32.151672]  dump_stack+0x1b2/0x281
[   32.155296]  should_fail.cold+0x10a/0x149
[   32.159450]  should_failslab+0xd6/0x130
[   32.163418]  __kmalloc+0x2c1/0x400
[   32.166958]  ? btrfs_alloc_delayed_item+0x1a/0x140
[   32.171878]  btrfs_alloc_delayed_item+0x1a/0x140
[   32.176622]  btrfs_delete_delayed_dir_index+0x1d9/0x800
[   32.181992]  ? btrfs_insert_delayed_dir_index+0xac0/0xac0
[   32.187544]  __btrfs_unlink_inode+0x3b9/0xc30
[   32.192031]  ? btrfs_update_inode+0x4b0/0x4b0
[   32.196521]  btrfs_unlink+0x147/0x2a0
[   32.200325]  vfs_unlink+0x230/0x470
[   32.203971]  do_unlinkat+0x30c/0x5c0
[   32.207762]  ? do_rmdir+0x3c0/0x3c0
[   32.211382]  ? SyS_write+0x14d/0x210
[   32.215082]  ? SyS_read+0x210/0x210
[   32.218701]  ? do_syscall_64+0x4c/0x640
[   32.222672]  ? SyS_unlinkat+0x70/0x70
[   32.226461]  do_syscall_64+0x1d5/0x640
[   32.230340]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   32.235522] RIP: 0033:0x7f3cd4703a09
[   32.239223] RSP: 002b:00007ffccdfb3498 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   32.246935] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3cd4703a09
[   32.254195] RDX: 00000000000004c0 RSI: 000000000000ffc2 RDI: 0000000020000380
[   32.261458] RBP: 00007ffccdfb34c0 R08: 0000000000000001 R09: 00007ffccdfb34d0
[   32.268723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
[   32.275978] R13: 00007ffccdfb3500 R14: 00007ffccdfb34e0 R15: 0000000000000000
[   32.284440] ------------[ cut here ]------------
[   32.289223] WARNING: CPU: 1 PID: 7962 at fs/btrfs/inode.c:4215 __btrfs_unlink_inode.cold+0x159/0x19c
[   32.298494] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   32.298494] 
[   32.306564] CPU: 1 PID: 7962 Comm: syz-executor386 Not tainted 4.14.307-syzkaller #0
[   32.314432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[   32.323767] Call Trace:
[   32.326364]  dump_stack+0x1b2/0x281
[   32.329978]  panic+0x21d/0x451
[   32.333171]  ? add_taint.cold+0x16/0x16
[   32.337127]  ? log_store.cold+0x16/0x16
[   32.341096]  ? __btrfs_unlink_inode.cold+0x159/0x19c
[   32.346185]  check_panic_on_warn.cold+0x19/0x35
[   32.350840]  __warn+0xdf/0x1e0
[   32.354109]  ? ist_end_non_atomic+0x10/0x10
[   32.358423]  ? __btrfs_unlink_inode.cold+0x159/0x19c
[   32.363619]  report_bug+0x208/0x250
[   32.367238]  do_error_trap+0x195/0x2d0
[   32.371113]  ? math_error+0x2d0/0x2d0
[   32.374924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   32.379778]  invalid_op+0x1b/0x40
[   32.383238] RIP: 0010:__btrfs_unlink_inode.cold+0x159/0x19c
[   32.388932] RSP: 0018:ffff888095867c78 EFLAGS: 00010282
[   32.394286] RAX: 0000000000000026 RBX: ffff88808cb79080 RCX: 0000000000000000
[   32.401544] RDX: 0000000000000000 RSI: ffffffff878bd360 RDI: ffffed1012b0cf85
[   32.408814] RBP: ffff888095867d68 R08: 0000000000000026 R09: 0000000000000000
[   32.416069] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808cb7be08
[   32.423341] R13: ffff8880a14809a0 R14: ffff888095908200 R15: 0000000000000007
[   32.430634]  ? __btrfs_unlink_inode.cold+0x159/0x19c
[   32.435744]  ? btrfs_update_inode+0x4b0/0x4b0
[   32.440305]  btrfs_unlink+0x147/0x2a0
[   32.444100]  vfs_unlink+0x230/0x470
[   32.447719]  do_unlinkat+0x30c/0x5c0
[   32.451448]  ? do_rmdir+0x3c0/0x3c0
[   32.455064]  ? SyS_write+0x14d/0x210
[   32.458763]  ? SyS_read+0x210/0x210
[   32.462378]  ? do_syscall_64+0x4c/0x640
[   32.466339]  ? SyS_unlinkat+0x70/0x70
[   32.470131]  do_syscall_64+0x1d5/0x640
[   32.474011]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   32.479186] RIP: 0033:0x7f3cd4703a09
[   32.482880] RSP: 002b:00007ffccdfb3498 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   32.490571] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3cd4703a09
[   32.497826] RDX: 00000000000004c0 RSI: 000000000000ffc2 RDI: 0000000020000380
[   32.505081] RBP: 00007ffccdfb34c0 R08: 0000000000000001 R09: 00007ffccdfb34d0
[   32.512338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
[   32.519603] R13: 00007ffccdfb3500 R14: 00007ffccdfb34e0 R15: 0000000000000000
[   32.527305] Kernel Offset: disabled
[   32.530973] Rebooting in 86400 seconds..