BTRFS info (device loop6): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d BTRFS warning (device loop6): transaction 12 (with 0 dirty metadata bytes) is not committed assertion failed: !found :: 0, in fs/btrfs/disk-io.c:4175 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4175! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 7302 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4175 [inline] RIP: 0010:close_ctree+0x1393/0x13a0 fs/btrfs/disk-io.c:4398 Code: ff ff e8 30 8a 97 00 48 c7 c7 e0 cb 4e 8b 48 c7 c6 c0 17 4f 8b 31 d2 48 c7 c1 60 cc 4e 8b 41 b8 4f 10 00 00 e8 7e a3 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:ffffc90003b07b40 EFLAGS: 00010246 RAX: 0000000000000039 RBX: dffffc0000000000 RCX: 6335a22161d2d800 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003b07ce0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000760f19 R12: ffffc90003b07be0 R13: ffffc90003b07c00 R14: ffffc90003b07bc0 R15: ffff8880330b91a8 FS: 0000555562dec500(0000) GS:ffff8881268d9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29d53fde9c CR3: 000000002f4c6000 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: 0033:0x7f175a59bf17 Code: a2 c7 05 7c 96 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:00007ffce759f988 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f175a60471f RCX: 00007f175a59bf17 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffce759fa40 RBP: 00007ffce759fa40 R08: 00007ffce75a0a40 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce75a0ad0 R13: 00007f175a60471f R14: 000000000004eec9 R15: 00007ffce75a0b10 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4175 [inline] RIP: 0010:close_ctree+0x1393/0x13a0 fs/btrfs/disk-io.c:4398 Code: ff ff e8 30 8a 97 00 48 c7 c7 e0 cb 4e 8b 48 c7 c6 c0 17 4f 8b 31 d2 48 c7 c1 60 cc 4e 8b 41 b8 4f 10 00 00 e8 7e a3 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:ffffc90003b07b40 EFLAGS: 00010246 RAX: 0000000000000039 RBX: dffffc0000000000 RCX: 6335a22161d2d800 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003b07ce0 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000760f19 R12: ffffc90003b07be0 R13: ffffc90003b07c00 R14: ffffc90003b07bc0 R15: ffff8880330b91a8 FS: 0000555562dec500(0000) GS:ffff8881268d9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29d53fde9c CR3: 000000002f4c6000 CR4: 00000000003526f0