------------[ cut here ]------------
btrfs_abort_should_print_stack(__error)
WARNING: fs/btrfs/block-group.c:2951 at btrfs_create_pending_block_groups+0x13f6/0x15e0 fs/btrfs/block-group.c:2951, CPU#0: kworker/u4:8/1052
Modules linked in:
CPU: 0 UID: 0 PID: 1052 Comm: kworker/u4:8 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: btrfs-qgroup-rescan btrfs_work_helper
RIP: 0010:btrfs_create_pending_block_groups+0x13f6/0x15e0 fs/btrfs/block-group.c:2951
Code: 00 fc ff df eb 09 e8 19 37 8d fd 90 0f 0b 90 f7 db e9 47 fd ff ff e8 09 37 8d fd eb 10 e8 02 37 8d fd eb 09 e8 fb 36 8d fd 90 <0f> 0b 90 48 8b 5c 24 18 44 89 e1 f7 d9 e9 47 fc ff ff e8 e3 36 8d
RSP: 0018:ffffc90000f574e0 EFLAGS: 00010293
RAX: ffffffff8439de65 RBX: ffff88804417c001 RCX: ffff888033302580
RDX: 0000000000000000 RSI: ffffffff8f1fc230 RDI: 00000000ffffffe4
RBP: ffffc90000f57760 R08: ffff888033302580 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000000 R12: 00000000ffffffe4
R13: fffff520001eaeb8 R14: dffffc0000000000 R15: ffff888051596358
FS:  0000000000000000(0000) GS:ffff88808c533000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dd7fc6c2e0 CR3: 00000000008f3000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1092
 btrfs_qgroup_rescan_worker+0x1e4b/0x23b0 fs/btrfs/qgroup.c:3945
 btrfs_work_helper+0x3a2/0xc50 fs/btrfs/async-thread.c:312
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa88/0x14c0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>