Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.603475] BTRFS: device fsid 56103f85-bd13-4972-bf59-af2d09341302 devid 1 transid 7 /dev/loop3 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.384077] BTRFS: device fsid 56103f85-bd13-4972-bf59-af2d09341302 devid 0 transid 0 /dev/loop1 executing program executing program executing program executing program executing program executing program [ 32.523687] BTRFS: device fsid 56103f85-bd13-4972-bf59-af2d09341302 devid 1 transid 7 /dev/loop5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.328154] BTRFS info (device loop2): disk space caching is enabled [ 36.348391] BTRFS info (device loop2): has skinny extents executing program executing program executing program executing program executing program [ 36.462096] BTRFS error (device loop2): super_num_devices 1 mismatch with num_devices 1 found here [ 36.479690] BTRFS error (device loop2): failed to read chunk tree: -22 executing program executing program executing program executing program executing program executing program executing program executing program [ 36.570041] BTRFS error (device loop2): open_ctree failed [ 36.581470] BTRFS info (device loop2): disk space caching is enabled [ 36.588252] BTRFS info (device loop2): has skinny extents [ 36.639607] BTRFS error (device loop2): open_ctree failed [ 36.648498] BTRFS info (device loop2): disk space caching is enabled [ 36.655801] BTRFS info (device loop2): has skinny extents executing program executing program executing program executing program [ 36.879651] BTRFS error (device loop2): open_ctree failed executing program executing program executing program executing program executing program [ 37.140023] print_req_error: I/O error, dev loop0, sector 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 39.298853] print_req_error: I/O error, dev loop4, sector 128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.979037] BTRFS info (device loop1): disk space caching is enabled [ 43.003157] BTRFS info (device loop1): has skinny extents executing program executing program executing program executing program executing program executing program [ 43.227683] BTRFS error (device loop1): open_ctree failed [ 43.238424] BTRFS info (device loop1): disk space caching is enabled [ 43.245293] BTRFS info (device loop1): has skinny extents executing program executing program [ 43.377707] ------------[ cut here ]------------ [ 43.382649] WARNING: CPU: 1 PID: 9430 at fs/btrfs/volumes.c:936 __btrfs_close_devices+0x888/0xb20 [ 43.391656] Kernel panic - not syncing: panic_on_warn set ... [ 43.391656] [ 43.399003] CPU: 1 PID: 9430 Comm: syz-executor707 Not tainted 4.14.224-syzkaller #0 [ 43.406892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.416441] Call Trace: [ 43.419083] dump_stack+0x1b2/0x281 [ 43.422707] panic+0x1f9/0x42d [ 43.425891] ? add_taint.cold+0x16/0x16 [ 43.429864] ? __btrfs_close_devices+0x888/0xb20 [ 43.434618] ? __btrfs_close_devices+0x888/0xb20 [ 43.439366] __warn.cold+0x20/0x44 [ 43.442894] ? ist_end_non_atomic+0x10/0x10 [ 43.447204] ? __btrfs_close_devices+0x888/0xb20 [ 43.451943] report_bug+0x208/0x250 [ 43.455595] do_error_trap+0x195/0x2d0 [ 43.459496] ? math_error+0x2d0/0x2d0 [ 43.463420] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.468433] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 43.473521] ? debug_object_active_state+0x236/0x330 [ 43.478611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.483451] invalid_op+0x1b/0x40 [ 43.486903] RIP: 0010:__btrfs_close_devices+0x888/0xb20 [ 43.492265] RSP: 0018:ffff8880a3b57618 EFLAGS: 00010297 [ 43.497796] RAX: ffff888098c96200 RBX: dffffc0000000000 RCX: ffff8880a3b57688 [ 43.505087] RDX: 0000000000000000 RSI: ffff888098c96ab0 RDI: ffff8880b4fb1ae0 [ 43.512346] RBP: ffff888098004940 R08: 0000000000000286 R09: 0000000000000000 [ 43.519599] R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200 [ 43.526860] R13: dead000000000100 R14: ffff8880a88887c0 R15: ffff8880980049e0 [ 43.534148] ? __btrfs_close_devices+0x888/0xb20 [ 43.538898] ? kvfree+0x45/0x50 [ 43.542204] ? btrfs_alloc_device+0x580/0x580 [ 43.546689] btrfs_close_devices+0x24/0x140 [ 43.551024] open_ctree+0x241/0x7400 [ 43.554748] ? close_ctree+0x840/0x840 [ 43.558649] ? dlm_unlock_lock_handler+0x8d0/0x8d0 [ 43.563583] btrfs_mount+0x1915/0x1fe0 [ 43.567808] ? btrfs_get_subvol_name_from_objectid+0x8c0/0x8c0 [ 43.573775] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 43.579217] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.584220] ? __lockdep_init_map+0x100/0x560 [ 43.588698] ? __lockdep_init_map+0x100/0x560 [ 43.593185] mount_fs+0x92/0x2a0 [ 43.596583] vfs_kern_mount.part.0+0x5b/0x470 [ 43.601065] vfs_kern_mount+0x3c/0x60 [ 43.604874] btrfs_mount+0x42a/0x1fe0 [ 43.608660] ? lock_downgrade+0x740/0x740 [ 43.612894] ? btrfs_get_subvol_name_from_objectid+0x8c0/0x8c0 [ 43.618856] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 43.624320] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.629334] ? __lockdep_init_map+0x100/0x560 [ 43.633917] ? __lockdep_init_map+0x100/0x560 [ 43.638429] mount_fs+0x92/0x2a0 [ 43.641801] vfs_kern_mount.part.0+0x5b/0x470 [ 43.646295] do_mount+0xe53/0x2a00 [ 43.649847] ? retint_kernel+0x2d/0x2d [ 43.653729] ? copy_mount_string+0x40/0x40 [ 43.657948] ? memset+0x20/0x40 [ 43.661210] ? copy_mount_options+0x1fa/0x2f0 [ 43.665708] ? copy_mnt_ns+0xa30/0xa30 [ 43.669594] SyS_mount+0xa8/0x120 [ 43.673031] ? copy_mnt_ns+0xa30/0xa30 [ 43.676913] do_syscall_64+0x1d5/0x640 [ 43.680798] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.685987] RIP: 0033:0x44c48a [ 43.689183] RSP: 002b:00007feb2ea9b128 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 43.696909] RAX: ffffffffffffffda RBX: 00007feb2ea9b1c0 RCX: 000000000044c48a [ 43.704177] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007feb2ea9b180 [ 43.711542] RBP: 0000000000000004 R08: 00007feb2ea9b1c0 R09: 0000000020000000 [ 43.718911] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 43.726184] R13: 0000000020000218 R14: 0000000020000100 R15: 00007feb2ea9b180 [ 43.734348] Kernel Offset: disabled [ 43.738015] Rebooting in 86400 seconds..