BTRFS info (device loop0): block group has cluster?: no BTRFS info (device loop0): 0 blocks of free space at or bigger than bytes is ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 12 at fs/btrfs/block-group.c:3791 do_chunk_alloc fs/btrfs/block-group.c:3791 [inline] WARNING: CPU: 0 PID: 12 at fs/btrfs/block-group.c:3791 btrfs_chunk_alloc+0xe37/0x1010 fs/btrfs/block-group.c:4033 Modules linked in: CPU: 0 PID: 12 Comm: kworker/u4:1 Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: events_unbound btrfs_async_reclaim_data_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 a0 59 4c 8b 44 89 e6 e8 e3 eb a3 fd 0f 0b e9 1d fe ff ff e8 57 d0 dc fd 48 c7 c7 a0 59 4c 8b 89 ee e8 c9 eb a3 fd <0f> 0b e9 28 fe ff ff e8 3d d0 dc fd 48 c7 c7 a0 59 4c 8b 44 89 e6 RSP: 0018:ffffc90000117988 EFLAGS: 00010246 RAX: 1f486d7f1b0d9d00 RBX: ffff888027bf0001 RCX: ffff888016265940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffe4 R08: ffffffff815323a2 R09: 1ffff92000022ee4 R10: dffffc0000000000 R11: fffff52000022ee5 R12: ffff88803853b000 R13: dffffc0000000000 R14: ffff888037707800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555f19788 CR3: 0000000078989000 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_data_space+0x14a/0x4f0 fs/btrfs/space-info.c:1294 process_one_work+0x92c/0x12c0 kernel/workqueue.c:2597 worker_thread+0xa63/0x1210 kernel/workqueue.c:2748 kthread+0x2b8/0x350 kernel/kthread.c:389 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000