------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 7322 at fs/btrfs/volumes.c:3409 btrfs_remove_chunk+0x14a4/0x18c8 fs/btrfs/volumes.c:3409 Modules linked in: CPU: 0 UID: 0 PID: 7322 Comm: syz.7.99 Not tainted 6.13.0-rc2-syzkaller-gfac04efc5c79 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_remove_chunk+0x14a4/0x18c8 fs/btrfs/volumes.c:3409 lr : btrfs_remove_chunk+0x14a4/0x18c8 fs/btrfs/volumes.c:3409 sp : ffff80009e5976c0 x29: ffff80009e597840 x28: 0000000000690000 x27: ffff0000f39b4188 x26: dfff800000000000 x25: ffff0000ce74c800 x24: ffffffffffffffe4 x23: dfff800000000000 x22: ffff700013cb2ef0 x21: ffff0000f39b4128 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe000366c127e x17: ffff80008f97d000 x16: ffff800080460e20 x15: 0000000000000001 x14: 1fffe000366c3cd0 x13: ffff80009e598000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 7a21d0d8dedb8f00 x8 : 7a21d0d8dedb8f00 x7 : ffff8000803ce76c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b736ea0 x0 : ffff800123d3e000 Call trace: btrfs_remove_chunk+0x14a4/0x18c8 fs/btrfs/volumes.c:3409 (P) btrfs_remove_chunk+0x14a4/0x18c8 fs/btrfs/volumes.c:3409 (L) btrfs_relocate_chunk+0x268/0x37c fs/btrfs/volumes.c:3539 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4278 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4655 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:3670 btrfs_ioctl+0x730/0xb04 fs/btrfs/ioctl.c:5252 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 77844 hardirqs last enabled at (77843): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1526 [inline] hardirqs last enabled at (77843): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5123 hardirqs last disabled at (77844): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (77826): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (77826): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:582 softirqs last disabled at (77699): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop7 state A): dumping space info: BTRFS info (device loop7 state A): space_info DATA+METADATA has 8204288 free, is not full BTRFS info (device loop7 state A): space_info total=11534336, used=49152, pinned=0, reserved=8192, may_use=1634304, readonly=1638400 zone_unusable=0 BTRFS info (device loop7 state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop7 state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop7 state A): global_block_rsv: size 983040 reserved 978944 BTRFS info (device loop7 state A): trans_block_rsv: size 262144 reserved 262144 BTRFS info (device loop7 state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop7 state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop7 state A): delayed_refs_rsv: size 262144 reserved 262144 BTRFS: error (device loop7 state A) in btrfs_remove_chunk:3409: errno=-28 No space left BTRFS info (device loop7 state EA): forced readonly BTRFS info (device loop7 state EA): 1 enospc errors during balance BTRFS info (device loop7 state EA): balance: ended with status: -30