BTRFS warning (device loop3): Skipping commit of aborted transaction. ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: fs/btrfs/transaction.c:2045 at cleanup_transaction+0x7e6/0x9c0 fs/btrfs/transaction.c:2045, CPU#0: kworker/u8:6/150 Modules linked in: CPU: 0 UID: 0 PID: 150 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events_unbound btrfs_async_reclaim_metadata_space RIP: 0010:cleanup_transaction+0x7e9/0x9c0 fs/btrfs/transaction.c:2045 Code: 0a e8 5b e2 e3 fd e9 82 00 00 00 e8 d1 e4 c8 fd 84 c0 74 2a e8 48 e2 e3 fd eb 72 e8 41 e2 e3 fd 48 8d 3d ea 6f 92 0b 44 89 fe <67> 48 0f b9 3a 4c 8b 6c 24 18 4c 8b 64 24 20 e9 a7 f9 ff ff e8 5e RSP: 0018:ffffc90003b67400 EFLAGS: 00010293 RAX: ffffffff83e0718f RBX: ffff888037e10000 RCX: ffff88801f79db80 RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff8f72e180 RBP: ffffc90003b67530 R08: ffff88801f79db80 R09: 0000000000000003 R10: 0000000000000100 R11: 00000000fffffffb R12: 1ffff1100c8ad5a1 R13: ffff88806456ad08 R14: 0000000000000000 R15: 00000000ffffffe4 FS: 0000000000000000(0000) GS:ffff88812633f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f252fc8fa10 CR3: 000000003e88e000 CR4: 00000000003526f0 Call Trace: btrfs_commit_transaction+0x25aa/0x31a0 fs/btrfs/transaction.c:2630 flush_space+0x4da/0xd80 fs/btrfs/space-info.c:923 do_async_reclaim_metadata_space+0x411/0x970 fs/btrfs/space-info.c:1187 btrfs_async_reclaim_metadata_space+0x89/0xe0 fs/btrfs/space-info.c:1254 process_one_work kernel/workqueue.c:3275 [inline] process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358 worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 0a e8 or %al,%ch 2: 5b pop %rbx 3: e2 e3 loop 0xffffffe8 5: fd std 6: e9 82 00 00 00 jmp 0x8d b: e8 d1 e4 c8 fd call 0xfdc8e4e1 10: 84 c0 test %al,%al 12: 74 2a je 0x3e 14: e8 48 e2 e3 fd call 0xfde3e261 19: eb 72 jmp 0x8d 1b: e8 41 e2 e3 fd call 0xfde3e261 20: 48 8d 3d ea 6f 92 0b lea 0xb926fea(%rip),%rdi # 0xb927011 27: 44 89 fe mov %r15d,%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 4c 8b 6c 24 18 mov 0x18(%rsp),%r13 34: 4c 8b 64 24 20 mov 0x20(%rsp),%r12 39: e9 a7 f9 ff ff jmp 0xfffff9e5 3e: e8 .byte 0xe8 3f: 5e pop %rsi