BTRFS info (device loop1): balance: start -sdrange=0..0 BTRFS info (device loop1): relocating block group 1048576 flags system ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10645 at fs/btrfs/volumes.c:3220 btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3220 Modules linked in: CPU: 1 PID: 10645 Comm: syz-executor.1 Not tainted 6.1.68-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3220 lr : btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3220 sp : ffff800021ba76a0 x29: ffff800021ba7820 x28: 0000000000100000 x27: ffff00012c4462f0 x26: dfff800000000000 x25: ffffffffffffffe4 x24: ffff0001139834e0 x23: ffff700004374eec x22: 1fffe00019b7a060 x21: ffff0000cdbd0300 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe00036870376 x17: ffff80001581d000 x16: ffff8000083049a8 x15: ffff0001b4381bbc x14: 1ffff00002b040b0 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : 99a7610d06994a00 x8 : 99a7610d06994a00 x7 : ffff80000827c470 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80001229c460 x0 : ffff80019ec10000 Call trace: btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3220 btrfs_relocate_chunk+0x260/0x368 fs/btrfs/volumes.c:3350 __btrfs_balance+0x1468/0x1dc8 fs/btrfs/volumes.c:4042 btrfs_balance+0xa38/0xe40 fs/btrfs/volumes.c:4418 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:4495 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:5529 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+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 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: 76548 hardirqs last enabled at (76547): [<ffff80000827c510>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (76547): [<ffff80000827c510>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5004 hardirqs last disabled at (76548): [<ffff800012138864>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (76490): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (76490): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (76355): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop1: state A): dumping space info: BTRFS info (device loop1: state A): space_info DATA+METADATA has 1867776 free, is not full BTRFS info (device loop1: state A): space_info total=3276800, used=61440, pinned=0, reserved=8192, may_use=1339392, readonly=0 zone_unusable=0 BTRFS info (device loop1: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop1: state A): space_info total=12451840, used=4096, pinned=0, reserved=0, may_use=98304, readonly=12447744 zone_unusable=0 BTRFS info (device loop1: state A): global_block_rsv: size 917504 reserved 913408 BTRFS info (device loop1: state A): trans_block_rsv: size 262144 reserved 262144 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 524288 reserved 163840 BTRFS: error (device loop1: state A) in btrfs_remove_chunk:3220: errno=-28 No space left BTRFS info (device loop1: state EA): forced readonly BTRFS info (device loop1: state EA): 1 enospc errors during balance BTRFS info (device loop1: state EA): balance: ended with status: -28