BTRFS info (device loop6): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d BTRFS warning (device loop6): transaction 11 (with 0 dirty metadata bytes) is not committed assertion failed: !found :: 0, in fs/btrfs/disk-io.c:4189 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4189! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 9050 Comm: syz-executor Not tainted 6.15.0-syzkaller-08486-gf66bc387efbe #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4189 [inline] RIP: 0010:close_ctree+0xd55/0xd60 fs/btrfs/disk-io.c:4398 Code: ff ff e8 de 85 96 00 48 c7 c7 a0 22 cd 8b 48 c7 c6 20 6e cd 8b 31 d2 48 c7 c1 20 23 cd 8b 41 b8 5d 10 00 00 e8 2c d4 fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b397b60 EFLAGS: 00010246 RAX: 0000000000000039 RBX: ffff88806c7b0d38 RCX: 138cc9e84b5ed200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000b397d00 R08: ffffc9000b397847 R09: 1ffff92001672f08 R10: dffffc0000000000 R11: fffff52001672f09 R12: ffffc9000b397c00 R13: ffffc9000b397c20 R14: ffffc9000b397be0 R15: ffff88805e9d5000 FS: 0000555564a13500(0000) GS:ffff888125c98000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8327f64368 CR3: 000000007b3c4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_shutdown_super+0x135/0x2c0 fs/super.c:643 kill_anon_super+0x3b/0x70 fs/super.c:1287 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2095 deactivate_locked_super+0xb9/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1432 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:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f301998fc97 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:00007ffff70e8f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f3019a1089d RCX: 00007f301998fc97 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff70e9020 RBP: 00007ffff70e9020 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffff70ea0b0 R13: 00007f3019a1089d R14: 0000000000059bf3 R15: 00007ffff70ea0f0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4189 [inline] RIP: 0010:close_ctree+0xd55/0xd60 fs/btrfs/disk-io.c:4398 Code: ff ff e8 de 85 96 00 48 c7 c7 a0 22 cd 8b 48 c7 c6 20 6e cd 8b 31 d2 48 c7 c1 20 23 cd 8b 41 b8 5d 10 00 00 e8 2c d4 fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b397b60 EFLAGS: 00010246 RAX: 0000000000000039 RBX: ffff88806c7b0d38 RCX: 138cc9e84b5ed200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000b397d00 R08: ffffc9000b397847 R09: 1ffff92001672f08 R10: dffffc0000000000 R11: fffff52001672f09 R12: ffffc9000b397c00 R13: ffffc9000b397c20 R14: ffffc9000b397be0 R15: ffff88805e9d5000 FS: 0000555564a13500(0000) GS:ffff888125c98000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32819ff8 CR3: 000000007b3c4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400