------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 6901 at fs/btrfs/block-group.c:3972 do_chunk_alloc fs/btrfs/block-group.c:3972 [inline] WARNING: CPU: 0 PID: 6901 at fs/btrfs/block-group.c:3972 btrfs_chunk_alloc+0xf5c/0x1200 fs/btrfs/block-group.c:4214 Modules linked in: CPU: 0 UID: 0 PID: 6901 Comm: kworker/u8:11 Not tainted 6.15.0-rc6-syzkaller-gc919f08732cc #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 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:3972 [inline] pc : btrfs_chunk_alloc+0xf5c/0x1200 fs/btrfs/block-group.c:4214 lr : do_chunk_alloc fs/btrfs/block-group.c:3972 [inline] lr : btrfs_chunk_alloc+0xf5c/0x1200 fs/btrfs/block-group.c:4214 sp : ffff8000a4dc7730 x29: ffff8000a4dc77a0 x28: ffff0000c304c000 x27: ffffffffffffffe4 x26: ffff0000e21c94fb x25: 1fffe0001de2d613 x24: ffff0000c8074000 x23: ffff0000e21c94a0 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000ef16b000 x19: dfff800000000000 x18: 1fffe0003386aa76 x17: ffff80008f31e000 x16: ffff80008adb9924 x15: 0000000000000001 x14: 1fffe0003386d4e8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800092d36c40 x10: 0000000000000003 x9 : d9413b6626b0ad00 x8 : d9413b6626b0ad00 x7 : ffff800080485078 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000006 x1 : ffff80008b3e9ec0 x0 : 0000000000000001 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3972 [inline] (P) btrfs_chunk_alloc+0xf5c/0x1200 fs/btrfs/block-group.c:4214 (P) flush_space+0x2f0/0xb64 fs/btrfs/space-info.c:815 btrfs_async_reclaim_metadata_space+0x32c/0x75c fs/btrfs/space-info.c:1120 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 1917686 hardirqs last enabled at (1917685): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1525 [inline] hardirqs last enabled at (1917685): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5130 hardirqs last disabled at (1917686): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (1916360): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (1916360): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (1916313): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop2 state A): dumping space info: BTRFS info (device loop2 state A): space_info DATA+METADATA has 6414336 free, is not full BTRFS info (device loop2 state A): space_info total=11534336, used=53248, pinned=20480, reserved=1257472, may_use=3788800, readonly=0 zone_unusable=0 BTRFS info (device loop2 state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop2 state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop2 state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop2 state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop2 state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop2 state A): delayed_block_rsv: size 131072 reserved 131072 BTRFS info (device loop2 state A): delayed_refs_rsv: size 1048576 reserved 1048576 BTRFS: error (device loop2 state A) in do_chunk_alloc:3972: errno=-28 No space left BTRFS info (device loop2 state EA): forced readonly BTRFS: error (device loop2 state EA) in btrfs_create_pending_block_groups:2788: errno=-28 No space left wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50