------------[ cut here ]------------
WARNING: CPU: 0 PID: 46 at fs/btrfs/block-group.c:3535 do_chunk_alloc+0x653/0x6c0 fs/btrfs/block-group.c:3535
Modules linked in:
CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
RIP: 0010:do_chunk_alloc+0x653/0x6c0 fs/btrfs/block-group.c:3535
Code: 3b 8b 44 89 fe 31 c0 e8 1b 98 a4 fd 0f 0b b3 01 e9 fd fe ff ff e8 4d f9 dc fd 48 c7 c7 20 99 3b 8b 89 de 31 c0 e8 fd 97 a4 fd <0f> 0b 40 b5 01 e9 fa fe ff ff e8 2e f9 dc fd 48 c7 c7 20 99 3b 8b
RSP: 0018:ffffc90000b77870 EFLAGS: 00010246
RAX: 27b8ab6054f5c200 RBX: ffffffffffffffe4 RCX: ffff8880183f3a80
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff8880415b0001 R08: ffffffff816e560d R09: ffffed1017304f1c
R10: ffffed1017304f1c R11: 1ffff11017304f1b R12: ffff888073446000
R13: ffff888073e22000 R14: 1ffff1100e688c0a R15: 00000000ffffffe4
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555faf708 CR3: 0000000044fe9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_chunk_alloc+0x6a4/0x900 fs/btrfs/block-group.c:3777
 flush_space+0x9d8/0xbc0 fs/btrfs/space-info.c:769
 btrfs_async_reclaim_metadata_space+0x8e8/0xa50 fs/btrfs/space-info.c:1083
 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>