BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf BTRFS warning (device loop3): transaction 12 (with 0 dirty metadata bytes) is not committed assertion failed: !found :: 0, in fs/btrfs/disk-io.c:4188 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4188! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 5848 Comm: syz-executor Tainted: G W 6.16.0-syzkaller-11952-g6e64f4580381 #0 PREEMPT_{RT,(full)} Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4188 [inline] RIP: 0010:close_ctree+0x136f/0x1380 fs/btrfs/disk-io.c:4411 Code: ff ff e8 94 c8 94 00 48 c7 c7 20 f8 4c 8b 48 c7 c6 e0 42 4d 8b 31 d2 48 c7 c1 a0 f8 4c 8b 41 b8 5c 10 00 00 e8 42 bd fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 RSP: 0018:ffffc90004c57b60 EFLAGS: 00010246 RAX: 0000000000000039 RBX: ffff88805ebf5188 RCX: f7e0d2920c532a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004c57d00 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124863 R12: ffffc90004c57c00 R13: ffffc90004c57c20 R14: ffffc90004c57be0 R15: ffff88806219d028 FS: 0000555594545500(0000) GS:ffff8881269cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc41a5af28 CR3: 0000000034b74000 CR4: 00000000003526f0 Call Trace: generic_shutdown_super+0x132/0x2c0 fs/super.c:643 kill_anon_super+0x3b/0x70 fs/super.c:1282 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2114 deactivate_locked_super+0xbc/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1378 task_work_run+0x1d1/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0d9303ff17 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 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 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff42cb2288 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f0d930c1c05 RCX: 00007f0d9303ff17 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff42cb2340 RBP: 00007fff42cb2340 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff42cb33d0 R13: 00007f0d930c1c05 R14: 000000000006ee9e R15: 00007fff42cb3410 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4188 [inline] RIP: 0010:close_ctree+0x136f/0x1380 fs/btrfs/disk-io.c:4411 Code: ff ff e8 94 c8 94 00 48 c7 c7 20 f8 4c 8b 48 c7 c6 e0 42 4d 8b 31 d2 48 c7 c1 a0 f8 4c 8b 41 b8 5c 10 00 00 e8 42 bd fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 RSP: 0018:ffffc90004c57b60 EFLAGS: 00010246 RAX: 0000000000000039 RBX: ffff88805ebf5188 RCX: f7e0d2920c532a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004c57d00 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124863 R12: ffffc90004c57c00 R13: ffffc90004c57c20 R14: ffffc90004c57be0 R15: ffff88806219d028 FS: 0000555594545500(0000) GS:ffff8881269cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc41a5af28 CR3: 0000000034b74000 CR4: 00000000003526f0