------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 769 at fs/btrfs/block-group.c:3945 do_chunk_alloc fs/btrfs/block-group.c:3945 [inline] WARNING: CPU: 0 PID: 769 at fs/btrfs/block-group.c:3945 btrfs_chunk_alloc+0xe1c/0xf8c fs/btrfs/block-group.c:4187 Modules linked in: CPU: 0 UID: 0 PID: 769 Comm: kworker/u8:10 Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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:3945 [inline] pc : btrfs_chunk_alloc+0xe1c/0xf8c fs/btrfs/block-group.c:4187 lr : do_chunk_alloc fs/btrfs/block-group.c:3945 [inline] lr : btrfs_chunk_alloc+0xe1c/0xf8c fs/btrfs/block-group.c:4187 sp : ffff80009c567780 x29: ffff80009c567800 x28: ffff0000e02bb800 x27: 1fffe0001b6c9ba2 x26: ffff0000db64dd13 x25: ffff0000db64dcb8 x24: ffffffffffffffe4 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000c97bc808 x20: dfff800000000000 x19: 0000000000000000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff8000831615b0 x15: 0000000000000001 x14: 1fffe000366c38e2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 0c4f2efd6d428a00 x8 : 0c4f2efd6d428a00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009c566eb8 x4 : ffff80008f9bd220 x3 : ffff800080626d8c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3945 [inline] (P) btrfs_chunk_alloc+0xe1c/0xf8c fs/btrfs/block-group.c:4187 (P) do_chunk_alloc fs/btrfs/block-group.c:3945 [inline] (L) btrfs_chunk_alloc+0xe1c/0xf8c fs/btrfs/block-group.c:4187 (L) flush_space+0x430/0xc50 fs/btrfs/space-info.c:808 btrfs_async_reclaim_metadata_space+0x5d4/0x71c fs/btrfs/space-info.c:1105 process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 irq event stamp: 1436938 hardirqs last enabled at (1436937): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (1436937): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2844 hardirqs last disabled at (1436938): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (1436032): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (1436032): [] ieee80211_ibss_work+0x2a4/0x11f0 net/mac80211/ibss.c:1664 softirqs last disabled at (1436030): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (1436030): [] ieee80211_ibss_work+0xd0/0x11f0 net/mac80211/ibss.c:1653 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop1 state A): dumping space info: BTRFS info (device loop1 state A): space_info DATA+METADATA has 7266304 free, is not full BTRFS info (device loop1 state A): space_info total=11534336, used=61440, pinned=12288, reserved=0, may_use=2555904, readonly=1638400 zone_unusable=0 BTRFS info (device loop1 state A): space_info SYSTEM has 4091904 free, is not full BTRFS info (device loop1 state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=0 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 0 reserved 0 BTRFS info (device loop1 state A): delayed_refs_rsv: size 65536 reserved 65536 BTRFS: error (device loop1 state A) in do_chunk_alloc:3945: errno=-28 No space left BTRFS info (device loop1 state EA): forced readonly BTRFS: error (device loop1 state EA) in btrfs_create_pending_block_groups:2759: errno=-28 No space left