BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
assertion failed: list_empty(&fs_info->delalloc_roots), in fs/btrfs/disk-io.c:4449
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kernel BUG at fs/btrfs/disk-io.c:4449!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5827 Comm: syz-executor Not tainted 6.15.0-rc4-syzkaller-00051-g7a13c14ee59d #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:close_ctree+0x98d/0xcb0 fs/btrfs/disk-io.c:4449
Code: fd ff 90 0f 0b e8 83 0e 96 00 48 c7 c7 00 c1 ac 8b 48 c7 c6 c0 f0 ac 8b 48 c7 c2 80 c1 ac 8b b9 61 11 00 00 e8 e4 db fd ff 90 <0f> 0b e8 5c 0e 96 00 48 c7 c7 00 c1 ac 8b 48 c7 c6 c0 0b ad 8b 48
RSP: 0018:ffffc9000413fb60 EFLAGS: 00010246
RAX: 0000000000000052 RBX: ffff88804a0e0f28 RCX: 1c35c4d98b410300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000413fd00 R08: ffffc9000413f847 R09: 1ffff92000827f08
R10: dffffc0000000000 R11: fffff52000827f09 R12: ffff88804a0e1400
R13: ffff88804a0e0000 R14: 1ffff1100941c280 R15: ffff88804a0e0fa0
FS:  0000555591e60500(0000) GS:ffff888126200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f189afb519c CR3: 00000000636b4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_shutdown_super+0x132/0x2c0 fs/super.c:642
 kill_anon_super+0x3b/0x70 fs/super.c:1237
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2099
 deactivate_locked_super+0xb9/0x130 fs/super.c:473
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1435
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 resume_user_mode_work+0x5e/0x80 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x9a/0x120 kernel/entry/common.c:218
 do_syscall_64+0x103/0x210 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9dbcf8fc97
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:00007ffebef63eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f9dbd01089d RCX: 00007f9dbcf8fc97
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffebef63f70
RBP: 00007ffebef63f70 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffebef65000
R13: 00007f9dbd01089d R14: 00000000000388f3 R15: 00007ffebef65040
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:close_ctree+0x98d/0xcb0 fs/btrfs/disk-io.c:4449
Code: fd ff 90 0f 0b e8 83 0e 96 00 48 c7 c7 00 c1 ac 8b 48 c7 c6 c0 f0 ac 8b 48 c7 c2 80 c1 ac 8b b9 61 11 00 00 e8 e4 db fd ff 90 <0f> 0b e8 5c 0e 96 00 48 c7 c7 00 c1 ac 8b 48 c7 c6 c0 0b ad 8b 48
RSP: 0018:ffffc9000413fb60 EFLAGS: 00010246
RAX: 0000000000000052 RBX: ffff88804a0e0f28 RCX: 1c35c4d98b410300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000413fd00 R08: ffffc9000413f847 R09: 1ffff92000827f08
R10: dffffc0000000000 R11: fffff52000827f09 R12: ffff88804a0e1400
R13: ffff88804a0e0000 R14: 1ffff1100941c280 R15: ffff88804a0e0fa0
FS:  0000555591e60500(0000) GS:ffff888126200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bd2d80178 CR3: 00000000636b4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400