Warning: Permanently added '10.128.1.148' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.857553] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 [ 32.874289] BTRFS info (device loop0): using free space tree [ 32.884863] BTRFS info (device loop0): has skinny extents [ 32.926067] FAULT_INJECTION: forcing a failure. [ 32.926067] name failslab, interval 1, probability 0, space 0, times 1 [ 32.937867] CPU: 0 PID: 8106 Comm: syz-executor720 Not tainted 4.19.211-syzkaller #0 [ 32.945741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 32.955071] Call Trace: [ 32.957650] dump_stack+0x1fc/0x2ef [ 32.961255] should_fail.cold+0xa/0xf [ 32.965042] ? setup_fault_attr+0x200/0x200 [ 32.969342] __should_failslab+0x115/0x180 [ 32.973552] should_failslab+0x5/0x10 [ 32.977332] kmem_cache_alloc+0x277/0x370 [ 32.981459] btrfs_alloc_tree_block+0xfbe/0x15f0 [ 32.986193] ? btrfs_reserve_extent+0x440/0x440 [ 32.990836] ? btrfs_qgroup_inherit+0x384/0x1c60 [ 32.995570] create_subvol+0x3ea/0x1850 [ 32.999523] ? btrfs_ioctl_set_fslabel+0x390/0x390 [ 33.004428] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 33.009509] ? btrfs_free_path+0x45/0x60 [ 33.013552] ? btrfs_free_path+0x45/0x60 [ 33.017591] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.022581] ? kmem_cache_free+0x226/0x260 [ 33.026805] ? btrfs_mksubvol+0x35b/0x1160 [ 33.031017] btrfs_mksubvol+0xe1d/0x1160 [ 33.035059] ? create_subvol+0x1850/0x1850 [ 33.039272] ? preempt_count_add+0xaf/0x190 [ 33.043570] ? __mnt_want_write+0x22c/0x2c0 [ 33.047868] btrfs_ioctl_snap_create_transid+0x2a7/0x430 [ 33.053296] btrfs_ioctl_snap_create_v2+0x2db/0x5d0 [ 33.058292] ? btrfs_ioctl_snap_create+0x170/0x170 [ 33.063199] ? __might_fault+0x11f/0x1d0 [ 33.067234] btrfs_ioctl+0x26f6/0x76d0 [ 33.071107] ? mark_held_locks+0xf0/0xf0 [ 33.075146] ? _kstrtoull+0x297/0x540 [ 33.078923] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 33.084636] ? _copy_from_user+0xd2/0x130 [ 33.088760] ? get_pid_task+0xcd/0x190 [ 33.092627] ? check_preemption_disabled+0x41/0x280 [ 33.097618] ? lock_downgrade+0x720/0x720 [ 33.101740] ? check_preemption_disabled+0x41/0x280 [ 33.106733] ? get_pid_task+0xf4/0x190 [ 33.110602] ? proc_fail_nth_write+0x95/0x1d0 [ 33.115073] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 33.119976] ? debug_check_no_obj_freed+0x201/0x490 [ 33.124967] ? __vfs_write+0xff/0x770 [ 33.128740] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 33.133647] ? common_file_perm+0x4e5/0x850 [ 33.137947] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 33.143639] do_vfs_ioctl+0xcdb/0x12e0 [ 33.147505] ? vfs_write+0x3d7/0x540 [ 33.151194] ? ioctl_preallocate+0x200/0x200 [ 33.155577] ? lock_downgrade+0x720/0x720 [ 33.159701] ? check_preemption_disabled+0x41/0x280 [ 33.164695] ? vfs_write+0x393/0x540 [ 33.168386] ? ksys_write+0x1c8/0x2a0 [ 33.172170] ksys_ioctl+0x9b/0xc0 [ 33.175601] __x64_sys_ioctl+0x6f/0xb0 [ 33.179463] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 33.184019] do_syscall_64+0xf9/0x620 [ 33.187799] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.192963] RIP: 0033:0x7f17198042b9 [ 33.196655] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 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 [ 33.215529] RSP: 002b:00007ffcc221da18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 33.223211] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f17198042b9 [ 33.230453] RDX: 0000000020000a80 RSI: 0000000050009418 RDI: 0000000000000004 [ 33.237697] RBP: 0000000000000005 R08: 0000000000000002 R09: 0000000000000000 [ 33.244940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 33.252182] R13: 00007ffcc221da50 R14: 0000000000000003 R15: 00007ffcc221da4a [ 33.260095] BTRFS error (device loop0): tree block 5259264 owner 256 already locked by pid=8106, extent tree corruption detected [ 33.272775] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 33.280500] ------------[ cut here ]------------ [ 33.285510] WARNING: CPU: 0 PID: 8106 at fs/btrfs/transaction.c:1872 cleanup_transaction+0x1bf/0x250 [ 33.294769] Kernel panic - not syncing: panic_on_warn set ... [ 33.294769] [ 33.302118] CPU: 0 PID: 8106 Comm: syz-executor720 Not tainted 4.19.211-syzkaller #0 [ 33.309968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 33.319293] Call Trace: [ 33.321859] dump_stack+0x1fc/0x2ef [ 33.325464] panic+0x26a/0x50e [ 33.328633] ? __warn_printk+0xf3/0xf3 [ 33.332499] ? cleanup_transaction+0x1bf/0x250 [ 33.337053] ? __probe_kernel_read+0x130/0x1b0 [ 33.341608] ? __warn.cold+0x5/0x5a [ 33.345215] ? __warn+0xe4/0x200 [ 33.348557] ? cleanup_transaction+0x1bf/0x250 [ 33.353110] __warn.cold+0x20/0x5a [ 33.356624] ? cleanup_transaction+0x1bf/0x250 [ 33.361182] report_bug+0x262/0x2b0 [ 33.364784] do_error_trap+0x1d7/0x310 [ 33.368648] ? math_error+0x310/0x310 [ 33.372424] ? irq_work_claim+0xa6/0xc0 [ 33.376373] ? irq_work_queue+0x29/0x80 [ 33.380323] ? error_entry+0x72/0xd0 [ 33.384017] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.389010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.393827] invalid_op+0x14/0x20 [ 33.397258] RIP: 0010:cleanup_transaction+0x1bf/0x250 [ 33.402422] Code: 89 e6 bf fb ff ff ff e8 5f ed 7b fe 41 83 fc fb 0f 84 d5 b9 13 05 e8 e0 eb 7b fe 44 89 e6 48 c7 c7 80 af a4 88 e8 b6 23 0c 05 <0f> 0b e8 ca eb 7b fe 44 89 e1 ba 50 07 00 00 48 89 ef 48 c7 c6 a0 [ 33.421297] RSP: 0018:ffff888094c7f320 EFLAGS: 00010286 [ 33.426633] RAX: 0000000000000000 RBX: 1ffff1101298fe6b RCX: 0000000000000000 [ 33.433876] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed101298fe56 [ 33.441120] RBP: ffff88808ac38e70 R08: 0000000000000001 R09: 0000000000000000 [ 33.448364] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffffff8b [ 33.455614] R13: ffff88808ac38ec0 R14: ffff88808ac38e90 R15: 0000000000000000 [ 33.462865] ? vprintk_func+0x81/0x180 [ 33.466734] ? wait_current_trans+0x390/0x390 [ 33.471211] ? wait_woken+0x250/0x250 [ 33.474988] ? __wake_up_common+0x650/0x650 [ 33.479284] ? __mutex_unlock_slowpath+0xea/0x610 [ 33.484104] ? btrfs_first_delayed_node+0x18/0x80 [ 33.488940] ? btrfs_trans_release_chunk_metadata+0x43/0x540 [ 33.494782] ? do_raw_spin_unlock+0x171/0x230 [ 33.499273] ? btrfs_trans_release_chunk_metadata+0x43/0x540 [ 33.505048] btrfs_commit_transaction+0x1de7/0x2480 [ 33.510043] ? btrfs_apply_pending_changes+0x150/0x150 [ 33.515297] ? do_raw_spin_unlock+0x171/0x230 [ 33.519767] ? _raw_spin_unlock+0x29/0x40 [ 33.523888] ? block_rsv_release_bytes+0x1a4/0x570 [ 33.528794] create_subvol+0x10a3/0x1850 [ 33.532832] ? btrfs_ioctl_set_fslabel+0x390/0x390 [ 33.537744] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 33.542822] ? btrfs_free_path+0x45/0x60 [ 33.546857] ? btrfs_free_path+0x45/0x60 [ 33.550891] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.555883] ? kmem_cache_free+0x226/0x260 [ 33.560096] ? btrfs_mksubvol+0x35b/0x1160 [ 33.564310] btrfs_mksubvol+0xe1d/0x1160 [ 33.568350] ? create_subvol+0x1850/0x1850 [ 33.572560] ? preempt_count_add+0xaf/0x190 [ 33.576856] ? __mnt_want_write+0x22c/0x2c0 [ 33.581156] btrfs_ioctl_snap_create_transid+0x2a7/0x430 [ 33.586584] btrfs_ioctl_snap_create_v2+0x2db/0x5d0 [ 33.591578] ? btrfs_ioctl_snap_create+0x170/0x170 [ 33.596483] ? __might_fault+0x11f/0x1d0 [ 33.600521] btrfs_ioctl+0x26f6/0x76d0 [ 33.604384] ? mark_held_locks+0xf0/0xf0 [ 33.608422] ? _kstrtoull+0x297/0x540 [ 33.612201] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 33.617886] ? _copy_from_user+0xd2/0x130 [ 33.622010] ? get_pid_task+0xcd/0x190 [ 33.625873] ? check_preemption_disabled+0x41/0x280 [ 33.630863] ? lock_downgrade+0x720/0x720 [ 33.634986] ? check_preemption_disabled+0x41/0x280 [ 33.639978] ? get_pid_task+0xf4/0x190 [ 33.643841] ? proc_fail_nth_write+0x95/0x1d0 [ 33.648313] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 33.653222] ? debug_check_no_obj_freed+0x201/0x490 [ 33.658213] ? __vfs_write+0xff/0x770 [ 33.661985] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 33.666891] ? common_file_perm+0x4e5/0x850 [ 33.671188] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 33.676874] do_vfs_ioctl+0xcdb/0x12e0 [ 33.680739] ? vfs_write+0x3d7/0x540 [ 33.684428] ? ioctl_preallocate+0x200/0x200 [ 33.688813] ? lock_downgrade+0x720/0x720 [ 33.692939] ? check_preemption_disabled+0x41/0x280 [ 33.697929] ? vfs_write+0x393/0x540 [ 33.701619] ? ksys_write+0x1c8/0x2a0 [ 33.705397] ksys_ioctl+0x9b/0xc0 [ 33.708824] __x64_sys_ioctl+0x6f/0xb0 [ 33.712688] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 33.717244] do_syscall_64+0xf9/0x620 [ 33.721020] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.726197] RIP: 0033:0x7f17198042b9 [ 33.729894] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 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 [ 33.748772] RSP: 002b:00007ffcc221da18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 33.756458] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f17198042b9 [ 33.763709] RDX: 0000000020000a80 RSI: 0000000050009418 RDI: 0000000000000004 [ 33.770957] RBP: 0000000000000005 R08: 0000000000000002 R09: 0000000000000000 [ 33.778203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 33.785454] R13: 00007ffcc221da50 R14: 0000000000000003 R15: 00007ffcc221da4a [ 33.793006] Kernel Offset: disabled [ 33.796665] Rebooting in 86400 seconds..