BTRFS info (device loop3): found 1 extents, stage: move data extents ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 8463 at fs/btrfs/volumes.c:3191 btrfs_remove_chunk+0x134c/0x188c fs/btrfs/volumes.c:3191 Modules linked in: CPU: 1 PID: 8463 Comm: syz-executor.3 Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x134c/0x188c fs/btrfs/volumes.c:3191 lr : btrfs_remove_chunk+0x134c/0x188c fs/btrfs/volumes.c:3191 sp : ffff800021ea76a0 x29: ffff800021ea7820 x28: 0000000000690000 x27: ffff0000dfc40638 x26: dfff800000000000 x25: ffffffffffffffe4 x24: ffff0000da474820 x23: ffff7000043d4eec x22: 1fffe00019d43880 x21: ffff0000cea1c400 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe00036848bbe x17: ffff800015ebd000 x16: ffff8000083120d4 x15: ffff0001b4245dfc x14: ffff800015ec0570 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 1366949cb8098e00 x8 : 1366949cb8098e00 x7 : ffff80000828b8f8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80001259c940 x0 : ffff80019e43a000 Call trace: btrfs_remove_chunk+0x134c/0x188c fs/btrfs/volumes.c:3191 btrfs_relocate_chunk+0x260/0x368 fs/btrfs/volumes.c:3321 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4011 btrfs_balance+0x9f0/0xe60 fs/btrfs/volumes.c:4395 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:3599 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:4632 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+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 87434 hardirqs last enabled at (87433): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (87433): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5095 hardirqs last disabled at (87434): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (86780): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (86780): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (86771): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop3: state A): dumping space info: BTRFS info (device loop3: state A): space_info DATA+METADATA has 6295552 free, is not full BTRFS info (device loop3: state A): space_info total=11534336, used=61440, pinned=0, reserved=8192, may_use=1961984, readonly=3207168 zone_unusable=0 BTRFS info (device loop3: state A): space_info SYSTEM has 4190208 free, is not full BTRFS info (device loop3: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=0, readonly=0 zone_unusable=0 BTRFS info (device loop3: state A): global_block_rsv: size 1441792 reserved 1437696 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 262144 BTRFS: error (device loop3: state A) in btrfs_remove_chunk:3191: 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: -30