BTRFS info (device loop2): 1 blocks of free space at or bigger than bytes is ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4557 at fs/btrfs/block-group.c:2535 btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 Modules linked in: CPU: 1 PID: 4557 Comm: syz.2.55 Not tainted 6.1.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 lr : btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 sp : ffff800021b67400 x29: ffff800021b67680 x28: ffff0000e0c8b0f8 x27: ffff0000f52f31b8 x26: 0000000000000000 x25: 1fffe0001ea5e60b x24: dfff800000000000 x23: 1fffe0001ea5e60a x22: 0000000000000000 x21: ffff0000f52f3058 x20: 00000000ffffffe4 x19: ffff0000f52f3050 x18: 1fffe000367a0176 x17: ffff800015a8d000 x16: ffff800008301594 x15: ffff0001b3d00bbc x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : a7156a9f87b99e00 x8 : a7156a9f87b99e00 x7 : ffff800008278b14 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff80001248c5a0 x0 : ffff80019e31d000 Call trace: btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 __btrfs_end_transaction+0x254/0x75c fs/btrfs/transaction.c:1010 btrfs_end_transaction+0x24/0x34 fs/btrfs/transaction.c:1049 btrfs_inc_block_group_ro+0x594/0x624 fs/btrfs/block-group.c:2799 btrfs_relocate_block_group+0x31c/0x98c fs/btrfs/relocation.c:4046 btrfs_relocate_chunk+0x118/0x368 fs/btrfs/volumes.c:3344 __btrfs_balance+0x1468/0x1dc8 fs/btrfs/volumes.c:4092 btrfs_balance+0xa38/0xe40 fs/btrfs/volumes.c:4468 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:4531 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:5570 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 77222 hardirqs last enabled at (77221): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (77221): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (77222): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (77106): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (77106): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (77077): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop2: state A): dumping space info: BTRFS info (device loop2: state A): space_info DATA+METADATA has 1638400 free, is full BTRFS info (device loop2: state A): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1576960, readonly=0 zone_unusable=0 BTRFS info (device loop2: state A): space_info SYSTEM has 8155136 free, is not full BTRFS info (device loop2: state A): space_info total=12451840, used=4096, pinned=0, reserved=4096, 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 0 reserved 0 BTRFS info (device loop2: state A): delayed_refs_rsv: size 393216 reserved 135168 BTRFS: error (device loop2: state A) in btrfs_create_pending_block_groups:2535: errno=-28 No space left BTRFS info (device loop2: state EA): forced readonly BTRFS error (device loop2: state EA): allocation failed flags 12, wanted 4096 tree-log 0, relocation: 0 BTRFS info (device loop2: state EA): space_info DATA+METADATA has 1638400 free, is full BTRFS info (device loop2: state EA): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1576960, readonly=0 zone_unusable=0 BTRFS info (device loop2: state EA): global_block_rsv: size 1441792 reserved 1437696 BTRFS info (device loop2: state EA): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop2: state EA): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop2: state EA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop2: state EA): delayed_refs_rsv: size 393216 reserved 135168 BTRFS info (device loop2: state EA): block group 5242880 has 1638400 bytes, 61440 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop2: state EA): entry offset 5251072, bytes 4096, bitmap no BTRFS critical (device loop2: state EA): entry offset 5259264, bytes 8192, bitmap no BTRFS critical (device loop2: state EA): entry offset 5271552, bytes 16384, bitmap no BTRFS critical (device loop2: state EA): entry offset 5316608, bytes 36864, bitmap no BTRFS critical (device loop2: state EA): entry offset 5369856, bytes 1511424, bitmap no BTRFS info (device loop2: state EA): block group has cluster?: no BTRFS info (device loop2: state EA): 5 blocks of free space at or bigger than bytes is BTRFS info (device loop2: state EA): block group 6881280 has 1638400 bytes, 0 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop2: state EA): entry offset 6881280, bytes 1638400, bitmap no BTRFS info (device loop2: state EA): block group has cluster?: no BTRFS info (device loop2: state EA): 1 blocks of free space at or bigger than bytes is BTRFS: error (device loop2: state EA) in btrfs_create_pending_block_groups:2547: errno=-28 No space left BTRFS error (device loop2: state EA): allocation failed flags 12, wanted 4096 tree-log 0, relocation: 0 BTRFS info (device loop2: state EA): space_info DATA+METADATA has 1638400 free, is full BTRFS info (device loop2: state EA): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1576960, readonly=0 zone_unusable=0 BTRFS info (device loop2: state EA): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop2: state EA): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop2: state EA): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop2: state EA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop2: state EA): delayed_refs_rsv: size 393216 reserved 131072 BTRFS info (device loop2: state EA): block group 5242880 has 1638400 bytes, 61440 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop2: state EA): entry offset 5251072, bytes 4096, bitmap no BTRFS critical (device loop2: state EA): entry offset 5259264, bytes 8192, bitmap no BTRFS critical (device loop2: state EA): entry offset 5271552, bytes 16384, bitmap no BTRFS critical (device loop2: state EA): entry offset 5316608, bytes 36864, bitmap no BTRFS critical (device loop2: state EA): entry offset 5369856, bytes 1511424, bitmap no BTRFS info (device loop2: state EA): block group has cluster?: no BTRFS info (device loop2: state EA): 5 blocks of free space at or bigger than bytes is BTRFS info (device loop2: state EA): block group 6881280 has 1638400 bytes, 0 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop2: state EA): entry offset 6881280, bytes 1638400, bitmap no BTRFS info (device loop2: state EA): block group has cluster?: no BTRFS info (device loop2: state EA): 1 blocks of free space at or bigger than bytes is BTRFS: error (device loop2: state EA) in add_block_group_free_space:1390: errno=-28 No space left BTRFS info (device loop2: state EA): balance: ended with status: -30