R13: 00007f20b5d6a038 R14: 00007f20b5d69fa0 R15: 00007fffbb1f5d28
 </TASK>
BTRFS error (device loop4): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4406 at fs/btrfs/extent-tree.c:2174 btrfs_run_delayed_refs+0x402/0x480 fs/btrfs/extent-tree.c:2174
Modules linked in:
CPU: 1 PID: 4406 Comm: syz.4.21 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:btrfs_run_delayed_refs+0x402/0x480 fs/btrfs/extent-tree.c:2174
Code: 15 e8 a2 62 34 fe eb 05 e8 9b 62 34 fe eb 63 e8 94 62 34 fe eb 16 e8 8d 62 34 fe 48 c7 c7 60 e1 6a 8a 44 89 fe e8 ee 68 72 06 <0f> 0b 48 89 df 48 c7 c6 20 e5 6a 8a ba 7e 08 00 00 44 89 f9 e8 e5
RSP: 0018:ffffc90002e5fb40 EFLAGS: 00010246
RAX: a99cb931afe95900 RBX: ffff88805f92f4d0 RCX: 0000000000080000
RDX: ffffc9000c581000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000001 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: dffffc0000000000
R13: 1ffff1100bf25ea5 R14: 00000000fffffff4 R15: 00000000fffffff4
FS:  00007f20b3d3a6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6fd2229d58 CR3: 000000001e7eb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_commit_transaction+0x23d/0x3580 fs/btrfs/transaction.c:2180
 btrfs_ioctl+0xadc/0xb10 fs/btrfs/ioctl.c:4992
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f20b5ae2159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f20b3d3a028 EFLAGS: 00000246
 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f20b5d69fa0 RCX: 00007f20b5ae2159
RDX: 0000000000000000 RSI: 0000000000009408 RDI: 0000000000000003
RBP: 00007f20b5b7906b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f20b5d6a038 R14: 00007f20b5d69fa0 R15: 00007fffbb1f5d28
 </TASK>