------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 24 at fs/btrfs/block-group.c:2764 btrfs_create_pending_block_groups+0x1518/0x1710 fs/btrfs/block-group.c:2764 Modules linked in: CPU: 0 UID: 0 PID: 24 Comm: kworker/u4:2 Not tainted 6.12.0-rc5-syzkaller-00308-g3e5e6c9900c3 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound btrfs_async_reclaim_metadata_space RIP: 0010:btrfs_create_pending_block_groups+0x1518/0x1710 fs/btrfs/block-group.c:2764 Code: 4e 8c 44 89 f6 e8 28 cf 79 fd 90 0f 0b 90 90 e9 7b fe ff ff e8 79 d9 b8 fd 90 48 c7 c7 c0 bd 4e 8c 44 89 ee e8 09 cf 79 fd 90 <0f> 0b 90 90 e9 3e ff ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 91 ed ff RSP: 0018:ffffc900004af6a0 EFLAGS: 00010246 RAX: 3d110e29114c9100 RBX: ffff888043934001 RCX: ffff88801bbbc880 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900004af960 R08: ffffffff8155d252 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff88804f013e40 R13: 00000000ffffffe4 R14: 0000000000000000 R15: ffff88803f7b29c0 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb23da3b000 CR3: 0000000043e6e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btrfs_end_transaction+0x150/0x630 fs/btrfs/transaction.c:1065 flush_space+0x4ca/0xd00 fs/btrfs/space-info.c:812 btrfs_async_reclaim_metadata_space+0x28e/0x350 fs/btrfs/space-info.c:1105 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244