------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 58 at fs/btrfs/block-group.c:3853 do_chunk_alloc fs/btrfs/block-group.c:3853 [inline] WARNING: CPU: 0 PID: 58 at fs/btrfs/block-group.c:3853 btrfs_chunk_alloc+0xd4c/0xfb0 fs/btrfs/block-group.c:4095 Modules linked in: CPU: 0 PID: 58 Comm: kworker/u4:3 Not tainted 6.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: events_unbound btrfs_async_reclaim_data_space pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : do_chunk_alloc fs/btrfs/block-group.c:3853 [inline] pc : btrfs_chunk_alloc+0xd4c/0xfb0 fs/btrfs/block-group.c:4095 lr : do_chunk_alloc fs/btrfs/block-group.c:3853 [inline] lr : btrfs_chunk_alloc+0xd4c/0xfb0 fs/btrfs/block-group.c:4095 sp : ffff800091a97890 x29: ffff800091a97900 x28: ffff0000e1964000 x27: 1fffe0001b2abc12 x26: 1fffe0001cb55383 x25: ffff0000e5aa9c1b x24: dfff800000000000 x23: ffff0000e5aa9bd0 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000d955e000 x18: ffff800091a96d80 x17: 0000000000000000 x16: ffff800089dffaac x15: 0000000000000001 x14: 1fffe000368d2632 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : e172ff0955500d00 x8 : e172ff0955500d00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800091a97178 x4 : ffff80008d2def60 x3 : ffff8000805a00c0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3853 [inline] btrfs_chunk_alloc+0xd4c/0xfb0 fs/btrfs/block-group.c:4095 flush_space+0x4ac/0xd04 fs/btrfs/space-info.c:765 btrfs_async_reclaim_data_space+0xf8/0x43c fs/btrfs/space-info.c:1285 process_one_work+0x694/0x1204 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2784 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 882628 hardirqs last enabled at (882627): [] __up_console_sem kernel/printk/printk.c:347 [inline] hardirqs last enabled at (882627): [] __console_unlock kernel/printk/printk.c:2718 [inline] hardirqs last enabled at (882627): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3037 hardirqs last disabled at (882628): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (882444): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (882444): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (882427): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop1: state A): dumping space info: BTRFS info (device loop1: state A): space_info DATA+METADATA has 3592192 free, is not full BTRFS info (device loop1: state A): space_info total=11534336, used=53248, pinned=0, reserved=1216512, may_use=6672384, readonly=0 zone_unusable=0 BTRFS info (device loop1: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop1: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop1: state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop1: state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop1: state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop1: state A): delayed_block_rsv: size 32768 reserved 32768 BTRFS info (device loop1: state A): delayed_refs_rsv: size 1572864 reserved 1572864 BTRFS: error (device loop1: state A) in do_chunk_alloc:3853: errno=-28 No space left BTRFS info (device loop1: state EA): forced readonly