BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
assertion failed: !found :: 0, in fs/btrfs/disk-io.c:4237
------------[ cut here ]------------
kernel BUG at fs/btrfs/disk-io.c:4237!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5799 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4237 [inline]
RIP: 0010:close_ctree+0x1371/0x1380 fs/btrfs/disk-io.c:4468
Code: ff ff e8 22 ab 9a 00 48 c7 c7 60 ce 94 8b 48 c7 c6 80 21 95 8b 31 d2 48 c7 c1 e0 ce 94 8b 41 b8 8d 10 00 00 e8 60 96 fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90
RSP: 0018:ffffc90004b3fb40 EFLAGS: 00010246
RAX: 0000000000000039 RBX: dffffc0000000000 RCX: 7cc57c5736f5e400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004b3fce0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124923 R12: ffffc90004b3fbe0
R13: ffffc90004b3fc00 R14: ffffc90004b3fbc0 R15: ffff8880336452e0
FS:  000055555f9dd500(0000) GS:ffff888126439000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bf0a7d000 CR3: 000000005553a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 generic_shutdown_super+0x13d/0x2d0 fs/super.c:646
 kill_anon_super+0x3b/0x70 fs/super.c:1292
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2127
 deactivate_locked_super+0xbc/0x130 fs/super.c:476
 cleanup_mnt+0x437/0x4d0 fs/namespace.c:1312
 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:67 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98
 __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 include/linux/entry-common.h:325 [inline]
 do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc370ead9d7
Code: a2 c7 05 1c fd 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:00007ffced7b5048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fc370f42050 RCX: 00007fc370ead9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffced7b5100
RBP: 00007ffced7b5100 R08: 00007ffced7b6100 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffced7b6190
R13: 00007fc370f42050 R14: 000000000002b422 R15: 00007ffced7b61d0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:warn_about_uncommitted_trans fs/btrfs/disk-io.c:4237 [inline]
RIP: 0010:close_ctree+0x1371/0x1380 fs/btrfs/disk-io.c:4468
Code: ff ff e8 22 ab 9a 00 48 c7 c7 60 ce 94 8b 48 c7 c6 80 21 95 8b 31 d2 48 c7 c1 e0 ce 94 8b 41 b8 8d 10 00 00 e8 60 96 fd ff 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90
RSP: 0018:ffffc90004b3fb40 EFLAGS: 00010246
RAX: 0000000000000039 RBX: dffffc0000000000 RCX: 7cc57c5736f5e400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004b3fce0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124923 R12: ffffc90004b3fbe0
R13: ffffc90004b3fc00 R14: ffffc90004b3fbc0 R15: ffff8880336452e0
FS:  000055555f9dd500(0000) GS:ffff888126439000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bf0a7d000 CR3: 000000005553a000 CR4: 00000000003526f0