BTRFS info (device loop9): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d BTRFS warning (device loop9): transaction 12 (with 0 dirty metadata bytes) is not committed assertion failed: !found :: 0, in fs/btrfs/disk-io.c:4170 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4170! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 10637 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4170 [inline] RIP: 0010:close_ctree+0x1393/0x13a0 fs/btrfs/disk-io.c:4393 Code: ff ff e8 70 7d 99 00 48 c7 c7 a0 2d 74 8b 48 c7 c6 c0 7d 74 8b 31 d2 48 c7 c1 20 2e 74 8b 41 b8 4a 10 00 00 e8 fe 9f fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900049c7b40 EFLAGS: 00010246 RAX: 0000000000000039 RBX: dffffc0000000000 RCX: db7529a81ca46b00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900049c7ce0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124923 R12: ffffc900049c7be0 R13: ffffc900049c7c00 R14: ffffc900049c7bc0 R15: ffff888039b291a8 FS: 000055555ec94500(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbaf587a5c3 CR3: 0000000033ef0000 CR4: 00000000003526f0 Call Trace: generic_shutdown_super+0x135/0x2c0 fs/super.c:643 kill_anon_super+0x3b/0x70 fs/super.c:1289 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2127 deactivate_locked_super+0xbc/0x130 fs/super.c:474 cleanup_mnt+0x437/0x4d0 fs/namespace.c:1318 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc2fc6ac117 Code: a2 c7 05 7c c4 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2e41b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fc2fc71471f RCX: 00007fc2fc6ac117 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2e41b6c0 RBP: 00007fff2e41b6c0 R08: 00007fff2e41c6c0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2e41c750 R13: 00007fc2fc71471f R14: 00000000000d4741 R15: 00007fff2e41c790 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4170 [inline] RIP: 0010:close_ctree+0x1393/0x13a0 fs/btrfs/disk-io.c:4393 Code: ff ff e8 70 7d 99 00 48 c7 c7 a0 2d 74 8b 48 c7 c6 c0 7d 74 8b 31 d2 48 c7 c1 20 2e 74 8b 41 b8 4a 10 00 00 e8 fe 9f fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900049c7b40 EFLAGS: 00010246 RAX: 0000000000000039 RBX: dffffc0000000000 RCX: db7529a81ca46b00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900049c7ce0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124923 R12: ffffc900049c7be0 R13: ffffc900049c7c00 R14: ffffc900049c7bc0 R15: ffff888039b291a8 FS: 000055555ec94500(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbaf587a5c3 CR3: 0000000033ef0000 CR4: 00000000003526f0