BTRFS: Transaction aborted (error -28) WARNING: fs/btrfs/transaction.c:2021 at cleanup_transaction fs/btrfs/transaction.c:2021 [inline], CPU#1: kworker/u8:16/6934 WARNING: fs/btrfs/transaction.c:2021 at btrfs_commit_transaction+0x2f67/0x3950 fs/btrfs/transaction.c:2612, CPU#1: kworker/u8:16/6934 Modules linked in: CPU: 1 UID: 0 PID: 6934 Comm: kworker/u8:16 Not tainted 6.16.0-rc2-next-20250619-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events_unbound btrfs_async_reclaim_metadata_space RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2021 [inline] RIP: 0010:btrfs_commit_transaction+0x2f67/0x3950 fs/btrfs/transaction.c:2612 Code: 0f 08 e0 fd 84 c0 74 2b e8 f6 38 f9 fd eb 73 e8 ef 38 f9 fd 90 48 c7 c7 60 ad cd 8b 8b 5c 24 18 89 de e8 dc e8 bc fd 89 d9 90 <0f> 0b 90 90 e9 1a 01 00 00 e8 2b 40 a6 07 89 c3 31 ff 89 c6 e8 00 RSP: 0018:ffffc900037d7500 EFLAGS: 00010246 RAX: 9069aa1377383500 RBX: 00000000ffffffe4 RCX: 00000000ffffffe4 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffc900037d7830 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa2c R12: ffff888026b1b078 R13: ffff88805599c000 R14: ffff88805599c000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d28000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f311294de9c CR3: 000000007794c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_space+0x48b/0xcd0 fs/btrfs/space-info.c:888 do_async_reclaim_metadata_space+0x144/0x390 fs/btrfs/space-info.c:1158 btrfs_async_reclaim_metadata_space+0x89/0xe0 fs/btrfs/space-info.c:1226 process_one_work kernel/workqueue.c:3239 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245