------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 228 at fs/btrfs/block-group.c:3839 do_chunk_alloc fs/btrfs/block-group.c:3839 [inline] WARNING: CPU: 0 PID: 228 at fs/btrfs/block-group.c:3839 btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4081 Modules linked in: CPU: 0 PID: 228 Comm: kworker/u4:6 Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Workqueue: events_unbound btrfs_async_reclaim_metadata_space pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : do_chunk_alloc fs/btrfs/block-group.c:3839 [inline] pc : btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4081 lr : do_chunk_alloc fs/btrfs/block-group.c:3839 [inline] lr : btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4081 sp : ffff800097027890 x29: ffff800097027900 x28: ffff0000d3ddf800 x27: 1fffe0002553be12 x26: 1fffe00025b68d33 x25: ffff00012db4699b x24: dfff800000000000 x23: ffff00012db46940 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff00012a9df000 x18: ffff800097026d60 x17: 0000000000000000 x16: ffff80008a825660 x15: 0000000000000001 x14: 1fffe0003682663a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : a3f4fed0d6beaa00 x8 : a3f4fed0d6beaa00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800097027178 x4 : ffff80008e5c1f40 x3 : ffff8000805af654 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3839 [inline] btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4081 flush_space+0x454/0xc4c fs/btrfs/space-info.c:784 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1089 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:857 irq event stamp: 10729872 hardirqs last enabled at (10729871): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (10729871): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (10729871): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (10729872): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (10726662): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (10726662): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (10726651): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop4: state A): dumping space info: BTRFS info (device loop4: state A): space_info DATA+METADATA has 1183744 free, is not full BTRFS info (device loop4: state A): space_info total=11534336, used=53248, pinned=20480, reserved=1208320, may_use=9068544, readonly=0 zone_unusable=0 BTRFS info (device loop4: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop4: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop4: state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop4: state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop4: state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop4: state A): delayed_block_rsv: size 131072 reserved 131072 BTRFS info (device loop4: state A): delayed_refs_rsv: size 1048576 reserved 1048576 BTRFS: error (device loop4: state A) in do_chunk_alloc:3839: errno=-28 No space left BTRFS info (device loop4: state EA): forced readonly BTRFS: error (device loop4: state EA) in btrfs_create_pending_block_groups:2693: errno=-28 No space left