BTRFS info (device loop3): relocating block group 1048576 flags system ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5091 at fs/btrfs/volumes.c:3211 btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3211 Modules linked in: CPU: 0 PID: 5091 Comm: syz-executor.3 Not tainted 6.1.24-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3211 lr : btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3211 sp : ffff80001e3676a0 x29: ffff80001e367820 x28: 0000000000100000 x27: ffff0000dda7c8d8 x26: dfff800000000000 x25: ffffffffffffffe4 x24: ffff0000d82ac1a0 x23: ffff700003c6ceec x22: 1fffe0001aa78300 x21: ffff0000d53c1800 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe000368b6776 x17: ffff80001558d000 x16: ffff800008302458 x15: ffff0001b45b3bbc x14: 1ffff00002ab20b0 x13: dfff800000000000 x12: 0000000000000003 x11: ff8080000aab9188 x10: 0000000000000003 x9 : f2a899925f039c00 x8 : f2a899925f039c00 x7 : ffff800008279fb8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80001223c040 x0 : ffff80019f0d2000 Call trace: btrfs_remove_chunk+0x1378/0x1904 fs/btrfs/volumes.c:3211 btrfs_relocate_chunk+0x260/0x368 fs/btrfs/volumes.c:3341 __btrfs_balance+0x1468/0x1dc8 fs/btrfs/volumes.c:4033 btrfs_balance+0x9f0/0xe58 fs/btrfs/volumes.c:4416 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:4481 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:5514 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:581 irq event stamp: 90368 hardirqs last enabled at (90367): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (90367): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (90368): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (87350): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (87350): [] __do_softirq+0xc14/0xea0 kernel/softirq.c:600 softirqs last disabled at (87339): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop3: state A): dumping space info: BTRFS info (device loop3: state A): space_info DATA+METADATA has 1867776 free, is not full BTRFS info (device loop3: state A): space_info total=3276800, used=61440, pinned=0, reserved=8192, may_use=1339392, readonly=0 zone_unusable=0 BTRFS info (device loop3: state A): space_info SYSTEM has 8253440 free, is not full BTRFS info (device loop3: state A): space_info total=12451840, used=4096, pinned=0, reserved=0, may_use=0, readonly=4194304 zone_unusable=0 BTRFS info (device loop3: state A): global_block_rsv: size 917504 reserved 913408 BTRFS info (device loop3: state A): trans_block_rsv: size 262144 reserved 262144 BTRFS info (device loop3: state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop3: state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop3: state A): delayed_refs_rsv: size 524288 reserved 163840 BTRFS: error (device loop3: state A) in btrfs_remove_chunk:3211: errno=-28 No space left BTRFS info (device loop3: state EA): forced readonly BTRFS info (device loop3: state EA): 1 enospc errors during balance BTRFS info (device loop3: state EA): balance: ended with status: -28