------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 6722 at fs/btrfs/volumes.c:3352 btrfs_remove_chunk+0x1508/0x1a0c fs/btrfs/volumes.c:3352 Modules linked in: CPU: 1 UID: 0 PID: 6722 Comm: syz.2.25 Not tainted 6.16.0-rc4-syzkaller-g7482bb149b9f #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x1508/0x1a0c fs/btrfs/volumes.c:3352 lr : btrfs_remove_chunk+0x1508/0x1a0c fs/btrfs/volumes.c:3352 sp : ffff8000a2c27700 x29: ffff8000a2c27880 x28: ffff0000d9340000 x27: dfff800000000000 x26: ffff0000dd5a9378 x25: dfff800000000000 x24: ffffffffffffffe4 x23: ffff0000d5107938 x22: 00000000ffffffe4 x21: ffff0000dd5a93d4 x20: dfff800000000000 x19: 0000000000000000 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008aefca08 x15: 0000000000000001 x14: 1fffe000337d88e2 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000007ffff x9 : 52d07ac41a157f00 x8 : 52d07ac41a157f00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a2c27058 x4 : ffff80008f766c20 x3 : ffff8000807c0118 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: btrfs_remove_chunk+0x1508/0x1a0c fs/btrfs/volumes.c:3352 (P) btrfs_relocate_chunk+0x254/0x378 fs/btrfs/volumes.c:3482 __btrfs_balance+0x1308/0x1a94 fs/btrfs/volumes.c:4212 btrfs_balance+0xa44/0xe58 fs/btrfs/volumes.c:4589 btrfs_ioctl_balance+0x350/0x550 fs/btrfs/ioctl.c:3583 btrfs_ioctl+0xb04/0xc3c fs/btrfs/ioctl.c:5303 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:893 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 54780 hardirqs last enabled at (54779): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (54779): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885 hardirqs last disabled at (54780): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (54448): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (54446): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop2 state A): dumping space info: BTRFS info (device loop2 state A): space_info DATA+METADATA (sub-group id 0) has 7340032 free, is not full BTRFS info (device loop2 state A): space_info total=11534336, used=61440, pinned=0, reserved=8192, may_use=2486272, readonly=1638400 zone_unusable=0 BTRFS info (device loop2 state A): space_info SYSTEM (sub-group id 0) has -98304 free, is not full BTRFS info (device loop2 state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop2 state A): global_block_rsv: size 1441792 reserved 1437696 BTRFS info (device loop2 state A): trans_block_rsv: size 262144 reserved 262144 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 524288 reserved 524288 BTRFS: error (device loop2 state A) in btrfs_remove_chunk:3352: errno=-28 No space left BTRFS info (device loop2 state EA): forced readonly BTRFS info (device loop2 state EA): 1 enospc errors during balance BTRFS info (device loop2 state EA): balance: ended with status: -30