------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5633 at fs/btrfs/block-group.c:3791 do_chunk_alloc fs/btrfs/block-group.c:3791 [inline] WARNING: CPU: 0 PID: 5633 at fs/btrfs/block-group.c:3791 btrfs_chunk_alloc+0xe37/0x1010 fs/btrfs/block-group.c:4033 Modules linked in: CPU: 0 PID: 5633 Comm: kworker/u4:9 Not tainted 6.4.0-syzkaller-01312-gb19edac5992d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: events_unbound btrfs_async_reclaim_metadata_space RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3791 [inline] RIP: 0010:btrfs_chunk_alloc+0xe37/0x1010 fs/btrfs/block-group.c:4033 Code: fd 48 c7 c7 20 2c 2c 8b 44 89 e6 e8 53 79 a5 fd 0f 0b e9 1d fe ff ff e8 47 24 de fd 48 c7 c7 20 2c 2c 8b 89 ee e8 39 79 a5 fd <0f> 0b e9 28 fe ff ff e8 2d 24 de fd 48 c7 c7 20 2c 2c 8b 44 89 e6 RSP: 0018:ffffc9000b03f9c8 EFLAGS: 00010246 RAX: f7b217a24d7b6400 RBX: ffff888052cf0001 RCX: ffff888020f81dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffe4 R08: ffffffff81530172 R09: fffff52001607eb1 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802d4ab800 R13: dffffc0000000000 R14: ffff88803970d800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc18e3ad988 CR3: 0000000036dc0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_space+0xaa9/0xe70 fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x29f/0x350 fs/btrfs/space-info.c:1078 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2408 worker_thread+0xa63/0x1210 kernel/workqueue.c:2555 kthread+0x2b8/0x350 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308