------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 36 at fs/btrfs/block-group.c:3937 do_chunk_alloc fs/btrfs/block-group.c:3937 [inline] WARNING: CPU: 0 PID: 36 at fs/btrfs/block-group.c:3937 btrfs_chunk_alloc+0xf70/0x10d0 fs/btrfs/block-group.c:4179 Modules linked in: CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.14.0-rc6-syzkaller-00003-g4d872d51bc9d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_unbound btrfs_async_reclaim_metadata_space RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3937 [inline] RIP: 0010:btrfs_chunk_alloc+0xf70/0x10d0 fs/btrfs/block-group.c:4179 Code: 04 24 48 8b 38 48 c7 c6 a0 a7 6e 8c 89 da e8 37 77 1b fd eb 19 e8 40 a0 b5 fd 90 48 c7 c7 40 a7 6e 8c 89 de e8 51 5c 75 fd 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 RSP: 0018:ffffc90000ac7888 EFLAGS: 00010246 RAX: 5c41b35387334400 RBX: ffffffffffffffe4 RCX: ffff888143ae1e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81819d62 R09: 1ffff92000158eac R10: dffffc0000000000 R11: fffff52000158ead R12: ffff88807cfaa183 R13: dffffc0000000000 R14: ffff888027a84001 R15: ffff888063ed3000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe85c413270 CR3: 0000000068cae000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_space+0x386/0xd30 fs/btrfs/space-info.c:815 btrfs_async_reclaim_metadata_space+0x178/0x3b0 fs/btrfs/space-info.c:1120 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd30 kernel/workqueue.c:3400 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244