------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 13 at fs/btrfs/extent-tree.c:3205 __btrfs_free_extent+0x2480/0x2eb0 fs/btrfs/extent-tree.c:3205 Modules linked in: CPU: 0 UID: 0 PID: 13 Comm: kworker/u4:1 Not tainted 6.15.0-rc7-syzkaller-00014-gd608703fcdd9 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound btrfs_async_reclaim_data_space RIP: 0010:__btrfs_free_extent+0x2480/0x2eb0 fs/btrfs/extent-tree.c:3205 Code: 20 b7 ac 8b 45 89 ee 44 89 ea e8 3b d3 6d fd eb 1d e8 94 b0 03 fe 90 48 c7 c7 c0 b6 ac 8b 45 89 ee 44 89 ee e8 11 0d c8 fd 90 <0f> 0b 90 90 4c 8b 7c 24 20 48 8b 7c 24 18 e9 94 e2 ff ff e8 68 b0 RSP: 0018:ffffc900001f7020 EFLAGS: 00010246 RAX: 2346bfd24c275500 RBX: 0000000000000000 RCX: ffff88801ab88000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffc900001f71d0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba984 R12: 00000000ffffffe4 R13: 00000000ffffffe4 R14: 00000000ffffffe4 R15: ffff888052d73e70 FS: 0000000000000000(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fcbea914e0 CR3: 00000000113a7000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: run_delayed_tree_ref fs/btrfs/extent-tree.c:1747 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1773 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1970 [inline] __btrfs_run_delayed_refs+0xe7b/0x3a50 fs/btrfs/extent-tree.c:2040 btrfs_run_delayed_refs+0xe6/0x300 fs/btrfs/extent-tree.c:2152 btrfs_commit_transaction+0x26f/0x3720 fs/btrfs/transaction.c:2209 flush_space+0x47e/0xcc0 fs/btrfs/space-info.c:842 btrfs_async_reclaim_data_space+0x2db/0x570 fs/btrfs/space-info.c:1357 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245