------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 13 at fs/btrfs/block-group.c:3887 do_chunk_alloc fs/btrfs/block-group.c:3887 [inline] WARNING: CPU: 0 PID: 13 at fs/btrfs/block-group.c:3887 btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4129 Modules linked in: CPU: 0 PID: 13 Comm: kworker/u4:1 Not tainted 6.8.0-rc7-syzkaller-00135-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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:3887 [inline] pc : btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4129 lr : do_chunk_alloc fs/btrfs/block-group.c:3887 [inline] lr : btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4129 sp : ffff8000939b7890 x29: ffff8000939b7900 x28: ffff0000c4cbc000 x27: 1fffe0001ae2dd12 x26: 1fffe0001bccba30 x25: ffff0000de65d183 x24: dfff800000000000 x23: ffff0000de65d128 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000d716e800 x18: ffff8000939b6d60 x17: 0000000000000000 x16: ffff80008032116c x15: 0000000000000001 x14: 1fffe000368027e8 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 0e5903f7f23b2d00 x8 : 0e5903f7f23b2d00 x7 : ffff80008ae467a8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008aedea60 x0 : ffff800125414000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3887 [inline] btrfs_chunk_alloc+0xde0/0xf50 fs/btrfs/block-group.c:4129 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:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 379992 hardirqs last enabled at (379991): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1397 hardirqs last disabled at (379992): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (379974): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (379974): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (379869): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0: state A): dumping space info: BTRFS info (device loop0: state A): space_info DATA+METADATA has 1941504 free, is not full BTRFS info (device loop0: state A): space_info total=11534336, used=53248, pinned=20480, reserved=1208320, may_use=8310784, readonly=0 zone_unusable=0 BTRFS info (device loop0: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop0: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop0: state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop0: state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop0: state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop0: state A): delayed_block_rsv: size 32768 reserved 32768 BTRFS info (device loop0: state A): delayed_refs_rsv: size 1048576 reserved 1048576 BTRFS: error (device loop0: state A) in do_chunk_alloc:3887: errno=-28 No space left BTRFS info (device loop0: state EA): forced readonly BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2710: errno=-28 No space left