------------[ cut here ]------------ WARNING: CPU: 0 PID: 5522 at fs/btrfs/volumes.c:3265 btrfs_remove_chunk+0x127c/0x18d4 fs/btrfs/volumes.c:3265 Modules linked in: CPU: 0 PID: 5522 Comm: btrfs-cleaner Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x127c/0x18d4 fs/btrfs/volumes.c:3265 lr : btrfs_remove_chunk+0x127c/0x18d4 fs/btrfs/volumes.c:3265 sp : ffff8000211f7ae0 x29: ffff8000211f7c40 x28: ffff0000c066ed20 x27: ffff0000c066ed40 x26: ffff8000211f7b80 x25: ffffffffffffffe4 x24: 1fffe000180cddad x23: ffff0000c066ed6c x22: 1fffe0001bdb9512 x21: dfff800000000000 x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011abbcc0 x17: 0000000000000000 x16: ffff8000082d22e0 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 x11: ff00800008191ca8 x10: 0000000000000000 x9 : 1cb81b6c7e939800 x8 : 1cb81b6c7e939800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000211f7578 x4 : ffff8000151a4820 x3 : ffff80000852e158 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: btrfs_remove_chunk+0x127c/0x18d4 fs/btrfs/volumes.c:3265 btrfs_delete_unused_bgs+0xb2c/0xd84 fs/btrfs/block-group.c:1551 cleaner_kthread+0x190/0x374 fs/btrfs/disk-io.c:1853 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 170 hardirqs last enabled at (169): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (170): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (0): [] copy_process+0x1244/0x3670 kernel/fork.c:2296 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop3: state A): dumping space info: BTRFS info (device loop3: state A): space_info DATA has 8376320 free, is not full BTRFS info (device loop3: state A): space_info total=8388608, used=12288, pinned=0, reserved=0, may_use=0, readonly=0 zone_unusable=0 BTRFS info (device loop3: state MA): space_info METADATA has 32604160 free, is not full BTRFS info (device loop3: state MA): space_info total=39845888, used=131072, pinned=0, reserved=16384, may_use=7028736, readonly=65536 zone_unusable=0 BTRFS info (device loop3: state MA): space_info SYSTEM has 0 free, is not full BTRFS info (device loop3: state MA): space_info total=22544384, used=16384, pinned=0, reserved=0, may_use=0, readonly=22528000 zone_unusable=0 BTRFS info (device loop3: state MA): global_block_rsv: size 5767168 reserved 5718016 BTRFS info (device loop3: state MA): trans_block_rsv: size 1310720 reserved 1310720 BTRFS info (device loop3: state MA): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop3: state MA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop3: state MA): delayed_refs_rsv: size 1048576 reserved 0 BTRFS: error (device loop3: state MA) in btrfs_remove_chunk:3265: errno=-28 No space left