BTRFS warning (device loop0): transaction 9 (with 0 dirty metadata bytes) is not committed assertion failed: !found, in fs/btrfs/disk-io.c:4465 ------------[ cut here ]------------ kernel BUG at fs/btrfs/messages.c:259! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5315 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259 Code: df e8 ec 78 3c f7 e9 50 fb ff ff e8 d2 8d 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 00 ce 2b 8b e8 c8 60 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 d3 cf e4 f6 48 RSP: 0018:ffffc90004b57b38 EFLAGS: 00010246 RAX: 0000000000000034 RBX: ffff88801ce20cd8 RCX: 79377e172c754700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004b57cd8 R08: ffffffff816ddf0c R09: fffff5200096af1d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90004b57be0 R13: ffff88801ce20530 R14: dffffc0000000000 R15: ffff8881453d0000 FS: 000055555594f400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2e18cb0a0 CR3: 000000001d954000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: warn_about_uncommitted_trans fs/btrfs/disk-io.c:4465 [inline] close_ctree+0xc50/0xc60 fs/btrfs/disk-io.c:4621 generic_shutdown_super+0x134/0x340 fs/super.c:500 kill_anon_super+0x3b/0x60 fs/super.c:1107 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2134 deactivate_locked_super+0xa4/0x110 fs/super.c:331 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1177 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297 do_syscall_64+0x4d/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f16cc08d567 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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 RSP: 002b:00007fffb3765538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f16cc08d567 RDX: 00007fffb3765607 RSI: 000000000000000a RDI: 00007fffb3765600 RBP: 00007fffb3765600 R08: 00000000ffffffff R09: 00007fffb37653d0 R10: 0000555555950873 R11: 0000000000000246 R12: 00007f16cc0e6b74 R13: 00007fffb37666c0 R14: 0000555555950810 R15: 00007fffb3766700 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259 Code: df e8 ec 78 3c f7 e9 50 fb ff ff e8 d2 8d 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 00 ce 2b 8b e8 c8 60 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 d3 cf e4 f6 48 RSP: 0018:ffffc90004b57b38 EFLAGS: 00010246 RAX: 0000000000000034 RBX: ffff88801ce20cd8 RCX: 79377e172c754700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004b57cd8 R08: ffffffff816ddf0c R09: fffff5200096af1d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90004b57be0 R13: ffff88801ce20530 R14: dffffc0000000000 R15: ffff8881453d0000 FS: 000055555594f400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2e18cb0a0 CR3: 000000001d954000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400