Warning: Permanently added '10.128.1.110' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 170.087545] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 [ 170.101696] BTRFS info (device loop0): enabling inode map caching [ 170.108665] BTRFS warning (device loop0): excessive commit interval 622039222 [ 170.116155] BTRFS info (device loop0): force zlib compression, level 3 [ 170.123106] BTRFS info (device loop0): using free space tree [ 170.130612] BTRFS info (device loop0): has skinny extents [ 170.175315] FAULT_INJECTION: forcing a failure. [ 170.175315] name failslab, interval 1, probability 0, space 0, times 1 [ 170.187076] CPU: 1 PID: 8086 Comm: syz-executor136 Not tainted 4.19.211-syzkaller #0 [ 170.194973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 170.204320] Call Trace: [ 170.206919] dump_stack+0x1fc/0x2ef [ 170.210539] should_fail.cold+0xa/0xf [ 170.214327] ? setup_fault_attr+0x200/0x200 [ 170.218636] ? mutex_trylock+0x1a0/0x1a0 [ 170.222686] __should_failslab+0x115/0x180 [ 170.226920] should_failslab+0x5/0x10 [ 170.230711] __kmalloc+0x2ab/0x3c0 [ 170.234236] ? btrfs_alloc_delayed_item+0x1a/0x150 [ 170.239153] btrfs_alloc_delayed_item+0x1a/0x150 [ 170.243895] btrfs_delete_delayed_dir_index+0x211/0x830 [ 170.249247] ? btrfs_insert_delayed_dir_index+0xaa0/0xaa0 [ 170.254785] ? __btrfs_release_delayed_node.part.0+0x372/0xcb0 [ 170.260757] __btrfs_unlink_inode+0x440/0xc60 [ 170.265251] ? btrfs_update_inode+0x520/0x520 [ 170.269741] btrfs_unlink+0x157/0x2d0 [ 170.273552] vfs_unlink+0x27d/0x4e0 [ 170.277189] do_unlinkat+0x3b8/0x660 [ 170.281165] ? __ia32_sys_rmdir+0x40/0x40 [ 170.285332] ? strncpy_from_user+0x2a2/0x350 [ 170.289738] ? getname_flags+0x25b/0x590 [ 170.293796] do_syscall_64+0xf9/0x620 [ 170.297588] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.302764] RIP: 0033:0x7ff70f650a09 [ 170.306466] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 170.325376] RSP: 002b:00007ffe602f3978 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 170.333071] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff70f650a09 [ 170.340325] RDX: 00000000000009a0 RSI: 000000000000ffc2 RDI: 0000000020000380 [ 170.347591] RBP: 00007ffe602f39a0 R08: 0000000000000001 R09: 00007ffe602f39b0 [ 170.354854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 170.362107] R13: 00007ffe602f39e0 R14: 00007ffe602f39c0 R15: 0000000000000000 [ 170.376089] ------------[ cut here ]------------ [ 170.381086] WARNING: CPU: 0 PID: 8086 at fs/btrfs/inode.c:4058 __btrfs_unlink_inode+0xaef/0xc60 [ 170.389912] Kernel panic - not syncing: panic_on_warn set ... [ 170.389912] [ 170.397263] CPU: 0 PID: 8086 Comm: syz-executor136 Not tainted 4.19.211-syzkaller #0 [ 170.405128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 170.414462] Call Trace: [ 170.417041] dump_stack+0x1fc/0x2ef [ 170.420664] panic+0x26a/0x50e [ 170.423843] ? __warn_printk+0xf3/0xf3 [ 170.427718] ? __btrfs_unlink_inode+0xaef/0xc60 [ 170.432368] ? __probe_kernel_read+0x130/0x1b0 [ 170.436929] ? __warn.cold+0x5/0x5a [ 170.440545] ? __warn+0xe4/0x200 [ 170.443889] ? __btrfs_unlink_inode+0xaef/0xc60 [ 170.448540] __warn.cold+0x20/0x5a [ 170.452061] ? __btrfs_unlink_inode+0xaef/0xc60 [ 170.456713] report_bug+0x262/0x2b0 [ 170.460326] do_error_trap+0x1d7/0x310 [ 170.464196] ? math_error+0x310/0x310 [ 170.467977] ? irq_work_claim+0xa6/0xc0 [ 170.471943] ? irq_work_queue+0x29/0x80 [ 170.475911] ? error_entry+0x72/0xd0 [ 170.479609] ? trace_hardirqs_off_caller+0x6e/0x210 [ 170.484603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.489430] invalid_op+0x14/0x20 [ 170.492869] RIP: 0010:__btrfs_unlink_inode+0xaef/0xc60 [ 170.498142] Code: 79 fe 8b 85 28 ff ff ff 83 f8 fb 0f 84 6a ad 11 05 e8 b5 bf 79 fe 8b 85 28 ff ff ff 48 c7 c7 40 c3 a4 88 89 c6 e8 86 f7 09 05 <0f> 0b 8b 85 28 ff ff ff 89 85 28 ff ff ff e8 8e bf 79 fe 8b 85 28 [ 170.517023] RSP: 0018:ffff888094c4fc60 EFLAGS: 00010282 [ 170.522368] RAX: 0000000000000000 RBX: ffff88808cbfe000 RCX: 0000000000000000 [ 170.529619] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012989f7e [ 170.536871] RBP: ffff888094c4fd78 R08: 0000000000000001 R09: 0000000000000000 [ 170.544144] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880ade91e70 [ 170.551425] R13: ffff88808cbccec0 R14: 0000000000000007 R15: 0000000000000100 [ 170.558761] ? vprintk_func+0x81/0x180 [ 170.562667] ? btrfs_update_inode+0x520/0x520 [ 170.567158] btrfs_unlink+0x157/0x2d0 [ 170.570963] vfs_unlink+0x27d/0x4e0 [ 170.574581] do_unlinkat+0x3b8/0x660 [ 170.578286] ? __ia32_sys_rmdir+0x40/0x40 [ 170.582429] ? strncpy_from_user+0x2a2/0x350 [ 170.586829] ? getname_flags+0x25b/0x590 [ 170.590885] do_syscall_64+0xf9/0x620 [ 170.594671] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.599969] RIP: 0033:0x7ff70f650a09 [ 170.603687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 170.622593] RSP: 002b:00007ffe602f3978 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 170.630291] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff70f650a09 [ 170.637551] RDX: 00000000000009a0 RSI: 000000000000ffc2 RDI: 0000000020000380 [ 170.644805] RBP: 00007ffe602f39a0 R08: 0000000000000001 R09: 00007ffe602f39b0 [ 170.652056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 170.659312] R13: 00007ffe602f39e0 R14: 00007ffe602f39c0 R15: 0000000000000000 [ 170.666907] Kernel Offset: disabled [ 170.670577] Rebooting in 86400 seconds..