BTRFS info (device loop1): last unmount of filesystem 24c7a497-3402-47dd-bef8-82358f5f30e0 BTRFS warning (device loop1): transaction 12 (with 0 dirty metadata bytes) is not committed assertion failed: !found, in fs/btrfs/disk-io.c:4198 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4198! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5833 Comm: syz-executor Not tainted 6.12.0-rc7-syzkaller-00042-gf1b785f4c787 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4198 [inline] RIP: 0010:close_ctree+0xd4f/0xd60 fs/btrfs/disk-io.c:4365 Code: e8 96 a7 02 00 e8 41 8a d8 f5 48 c7 c7 80 39 4c 8c 48 c7 c6 40 86 4c 8c 48 c7 c2 00 3a 4c 8c b9 66 10 00 00 e8 d2 98 ff ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc90004317b60 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 1ffff92000862f84 RCX: 8a06fae9b082d000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004317d00 R08: ffffffff8174b0dc R09: 1ffff92000862f08 R10: dffffc0000000000 R11: fffff52000862f09 R12: ffff888022a85028 R13: ffff888022a85000 R14: ffff88806d698000 R15: ffff88806d698cc8 FS: 000055557d58d500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c312250ce0 CR3: 0000000032032000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_shutdown_super+0x139/0x2d0 fs/super.c:642 kill_anon_super+0x3b/0x70 fs/super.c:1237 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2114 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa53517fa47 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:00007ffff111fb88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa53517fa47 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff111fc40 RBP: 00007ffff111fc40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffff1120cc0 R13: 00007fa5351f15fc R14: 0000000000024c70 R15: 00007ffff1120d00 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4198 [inline] RIP: 0010:close_ctree+0xd4f/0xd60 fs/btrfs/disk-io.c:4365 Code: e8 96 a7 02 00 e8 41 8a d8 f5 48 c7 c7 80 39 4c 8c 48 c7 c6 40 86 4c 8c 48 c7 c2 00 3a 4c 8c b9 66 10 00 00 e8 d2 98 ff ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc90004317b60 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 1ffff92000862f84 RCX: 8a06fae9b082d000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004317d00 R08: ffffffff8174b0dc R09: 1ffff92000862f08 R10: dffffc0000000000 R11: fffff52000862f09 R12: ffff888022a85028 R13: ffff888022a85000 R14: ffff88806d698000 R15: ffff88806d698cc8 FS: 000055557d58d500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc54fb9ff8 CR3: 0000000032032000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400