------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:2801 btrfs_create_pending_block_groups+0x11ff/0x1780 fs/btrfs/block-group.c:2801 Modules linked in: CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events_unbound btrfs_async_reclaim_data_space RIP: 0010:btrfs_create_pending_block_groups+0x11ff/0x1780 fs/btrfs/block-group.c:2801 Code: 00 e8 45 63 c3 fd 84 c0 74 29 e8 ec ba dc fd e9 66 02 00 00 e8 e2 ba dc fd 90 48 c7 c7 60 98 4f 8b 44 89 fe e8 82 8a a1 fd 90 <0f> 0b 90 90 e9 a0 fc ff ff e8 03 24 15 07 41 89 c4 31 ff 89 c6 e8 RSP: 0018:ffffc90000117580 EFLAGS: 00010246 RAX: 1ac0b5e6c9d6ce00 RBX: 0000000000000000 RCX: ffff88801c29d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000117800 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124863 R12: ffff88803d2981f0 R13: dffffc0000000000 R14: ffff88804a5a4001 R15: 00000000ffffffe4 FS: 0000000000000000(0000) GS:ffff8881269bf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b336dbff8 CR3: 000000003c36c000 CR4: 00000000003526f0 Call Trace: __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1071 flush_space+0x315/0xcd0 fs/btrfs/space-info.c:865 do_async_reclaim_data_space+0x11c/0x520 fs/btrfs/space-info.c:1394 btrfs_async_reclaim_data_space+0x41/0x90 fs/btrfs/space-info.c:1458 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245