------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000dc69c800 x27: 1fffe0001b009712 x26: 1fffe0001bd78a5d x25: ffff0000debc52eb x24: dfff800000000000 x23: ffff0000debc52a0 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000d804b800 x18: 1fffe0003683f1c6 x17: ffff80008e09d000 x16: ffff8000803199ec x15: 0000000000000001 x14: 1fffe00036841930 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : ffff800080292a1c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008a6dc4a0 x0 : ffff80012620c000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 768184 hardirqs last enabled at (768183): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (768183): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5133 hardirqs last disabled at (768184): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (768176): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (768176): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (768045): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0: state A): dumping space info: BTRFS info (device loop0: state A): space_info DATA+METADATA has 7200768 free, is not full BTRFS info (device loop0: state A): space_info total=11534336, used=61440, pinned=12288, reserved=0, may_use=2621440, readonly=1638400 zone_unusable=0 BTRFS info (device loop0: state A): space_info SYSTEM has 4091904 free, is not full BTRFS info (device loop0: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=0 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 0 reserved 0 BTRFS info (device loop0: state A): delayed_refs_rsv: size 131072 reserved 131072 BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: 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:2679: errno=-28 No space left ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 0 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 0 PID: 12 Comm: kworker/u4:1 Tainted: G W 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000defb2000 x27: 1fffe00018e38f12 x26: 1fffe0001bd5ef6e x25: ffff0000deaf7b73 x24: dfff800000000000 x23: ffff0000deaf7b28 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000c71c7800 x18: 1ffff00011c140bc x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001 x14: 1fffe0003683ae2a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800092a77178 x4 : ffff80008e17f000 x3 : ffff8000805a25e4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 806010 hardirqs last enabled at (806009): [] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:347 hardirqs last disabled at (806010): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (805686): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (805686): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (805684): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (805684): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0: state A): dumping space info: BTRFS info (device loop0: state A): space_info DATA+METADATA has 7213056 free, is not full BTRFS info (device loop0: state A): space_info total=11534336, used=61440, pinned=12288, reserved=0, may_use=2621440, readonly=1626112 zone_unusable=0 BTRFS info (device loop0: state A): space_info SYSTEM has 4091904 free, is not full BTRFS info (device loop0: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=0 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 0 reserved 0 BTRFS info (device loop0: state A): delayed_refs_rsv: size 131072 reserved 131072 BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: 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:2679: errno=-28 No space left ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 0 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 0 PID: 12 Comm: kworker/u4:1 Tainted: G W 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000c6fcb000 x27: 1fffe00018f09312 x26: 1fffe0001c9aa4c6 x25: ffff0000e4d52633 x24: dfff800000000000 x23: ffff0000e4d525e8 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000c7849800 x18: 1fffe0003683adc6 x17: ffff80008e09d000 x16: ffff8000803199ec x15: 0000000000000001 x14: 1fffe0003683d530 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : ffff800080292a1c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008a6dc4a0 x0 : ffff8001261ea000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 841218 hardirqs last enabled at (841217): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (841217): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5133 hardirqs last disabled at (841218): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (841200): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (841200): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (841189): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: errno=-28 No space left BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2679: errno=-28 No space left ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Tainted: G W 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000dc180800 x27: 1fffe0001b830712 x26: 1fffe000188d5409 x25: ffff0000c46aa04b x24: dfff800000000000 x23: ffff0000c46aa000 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000dc183800 x18: 1ffff00011c140bc x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001 x14: 1fffe0003683f22a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800092a77178 x4 : ffff80008e17f000 x3 : ffff8000805a25e4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 853430 hardirqs last enabled at (853429): [] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:347 hardirqs last disabled at (853430): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (853280): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (853280): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (853278): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (853278): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: errno=-28 No space left BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2679: errno=-28 No space left ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Tainted: G W 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000c662e000 x27: 1fffe0001ac34f12 x26: 1fffe000188d549c x25: ffff0000c46aa4e3 x24: dfff800000000000 x23: ffff0000c46aa498 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000d61a7800 x18: 1ffff00011c140bc x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001 x14: 1ffff0001254ee64 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800092a77178 x4 : ffff80008e17f000 x3 : ffff800082ad5858 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 883604 hardirqs last enabled at (883603): [] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:347 hardirqs last disabled at (883604): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (883598): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (883598): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (882569): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: errno=-28 No space left BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2679: errno=-28 No space left ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Tainted: G W 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000c89c7800 x27: 1fffe00019106d12 x26: 1fffe000188d5559 x25: ffff0000c46aaacb x24: dfff800000000000 x23: ffff0000c46aaa80 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000c8836800 x18: 1ffff00011c140bc x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001 x14: 1fffe0003683f22a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800092a77178 x4 : ffff80008e17f000 x3 : ffff8000805a25e4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 892150 hardirqs last enabled at (892149): [] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:347 hardirqs last disabled at (892150): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (891962): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (891962): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (891960): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (891960): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: errno=-28 No space left BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2679: errno=-28 No space left ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] WARNING: CPU: 1 PID: 12 at fs/btrfs/block-group.c:3831 btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Tainted: G W 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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:3831 [inline] pc : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 lr : do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] lr : btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 sp : ffff800092a77890 x29: ffff800092a77900 x28: ffff0000d7239000 x27: 1fffe0001b878a12 x26: 1fffe0001bd55544 x25: ffff0000deaaaa23 x24: dfff800000000000 x23: ffff0000deaaa9d8 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000dc3c5000 x18: 1ffff00011c140bc x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001 x14: 1fffe0003683f22a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : f2e7704bb7c9d600 x8 : f2e7704bb7c9d600 x7 : ffff800080358818 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000805a25e4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3831 [inline] btrfs_chunk_alloc+0xd40/0xfa4 fs/btrfs/block-group.c:4073 flush_space+0x8ec/0xd5c fs/btrfs/space-info.c:767 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1078 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 irq event stamp: 900676 hardirqs last enabled at (900675): [] console_trylock_spinning+0x1dc/0x2e8 kernel/printk/printk.c:1961 hardirqs last disabled at (900676): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (899920): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (899920): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (899918): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (899918): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop0: state A): dumping space info: BTRFS info (device loop0: state A): space_info DATA+METADATA has 7213056 free, is not full BTRFS info (device loop0: state A): space_info total=11534336, used=61440, pinned=12288, reserved=0, may_use=2621440, readonly=1626112 zone_unusable=0 BTRFS info (device loop0: state A): space_info SYSTEM has 4091904 free, is not full BTRFS info (device loop0: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=0 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 0 reserved 0 BTRFS info (device loop0: state A): delayed_refs_rsv: size 131072 reserved 131072 BTRFS: error (device loop0: state A) in do_chunk_alloc:3831: 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:2679: errno=-28 No space left