------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 1049 at fs/btrfs/block-group.c:3853 do_chunk_alloc fs/btrfs/block-group.c:3853 [inline] WARNING: CPU: 0 PID: 1049 at fs/btrfs/block-group.c:3853 btrfs_chunk_alloc+0xedb/0xfa0 fs/btrfs/block-group.c:4095 Modules linked in: CPU: 0 PID: 1049 Comm: kworker/u4:8 Not tainted 6.6.0-rc4-syzkaller-00229-g82714078aee4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Workqueue: events_unbound btrfs_async_reclaim_metadata_space RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3853 [inline] RIP: 0010:btrfs_chunk_alloc+0xedb/0xfa0 fs/btrfs/block-group.c:4095 Code: fd 48 c7 c7 20 fc 4c 8b 44 89 e6 e8 3f af 9e fd 0f 0b e9 1d fe ff ff e8 53 88 d8 fd 48 c7 c7 20 fc 4c 8b 89 ee e8 25 af 9e fd <0f> 0b e9 28 fe ff ff e8 39 88 d8 fd 48 c7 c7 20 fc 4c 8b 44 89 e6 RSP: 0018:ffffc90004267968 EFLAGS: 00010246 RAX: 7dee088fc515c400 RBX: ffff888022e78001 RCX: ffff88801e305940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffe4 R08: ffffffff81543302 R09: 1ffff9200084ce80 R10: dffffc0000000000 R11: fffff5200084ce81 R12: ffff8880799d6800 R13: dffffc0000000000 R14: ffff888029276800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc9c7e2ac4 CR3: 000000002539e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_space+0x581/0xde0 fs/btrfs/space-info.c:765 btrfs_async_reclaim_metadata_space+0x29f/0x350 fs/btrfs/space-info.c:1069 process_one_work kernel/workqueue.c:2630 [inline] process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304