BTRFS info (device loop5): relocating block group 5242880 flags data|metadata ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 7689 at fs/btrfs/extent-tree.c:3202 __btrfs_free_extent+0x26c0/0x31f8 fs/btrfs/extent-tree.c:3202 Modules linked in: CPU: 1 UID: 0 PID: 7689 Comm: syz.5.159 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #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_free_extent+0x26c0/0x31f8 fs/btrfs/extent-tree.c:3202 lr : __btrfs_free_extent+0x26c0/0x31f8 fs/btrfs/extent-tree.c:3202 sp : ffff8000a0716b40 x29: ffff8000a0716ce0 x28: dfff800000000000 x27: 00000000ffffffe4 x26: ffff0000f12c32b0 x25: 1fffe0001d9a3d10 x24: ffff7000140e2d80 x23: 1fffe0001d9a3d11 x22: dfff800000000000 x21: ffff0000d761b8f0 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe00036700e7e x17: ffff80008f99d000 x16: ffff8000804642d0 x15: 0000000000000001 x14: 1fffe000367038d0 x13: ffff8000a0718000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 7b51a2ff0c77dc00 x8 : 7b51a2ff0c77dc00 x7 : ffff8000803d0370 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b757e80 x0 : ffff800123f1c000 Call trace: __btrfs_free_extent+0x26c0/0x31f8 fs/btrfs/extent-tree.c:3202 (P) run_delayed_tree_ref fs/btrfs/extent-tree.c:1760 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1786 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2007 [inline] __btrfs_run_delayed_refs+0xc44/0x3cbc fs/btrfs/extent-tree.c:2077 btrfs_run_delayed_refs+0xc4/0x2bc fs/btrfs/extent-tree.c:2189 commit_cowonly_roots+0x574/0x750 fs/btrfs/transaction.c:1372 btrfs_commit_transaction+0x1170/0x2ba4 fs/btrfs/transaction.c:2445 prepare_to_relocate+0x30c/0x3e8 fs/btrfs/relocation.c:3592 relocate_block_group+0x130/0xb98 fs/btrfs/relocation.c:3617 btrfs_relocate_block_group+0x574/0x98c fs/btrfs/relocation.c:4087 btrfs_relocate_chunk+0x118/0x37c fs/btrfs/volumes.c:3494 __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:5260 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: 69256 hardirqs last enabled at (69255): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1535 [inline] hardirqs last enabled at (69255): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5123 hardirqs last disabled at (69256): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (68272): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (68270): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop5 state A): dumping space info: BTRFS info (device loop5 state A): space_info DATA+METADATA has 6225920 free, is full BTRFS info (device loop5 state A): space_info total=9895936, used=49152, pinned=12288, reserved=4096, may_use=2027520, readonly=1576960 zone_unusable=0 BTRFS info (device loop5 state A): space_info SYSTEM has 4186112 free, is not full BTRFS info (device loop5 state A): space_info total=4194304, used=4096, pinned=4096, reserved=0, may_use=0, readonly=0 zone_unusable=0 BTRFS info (device loop5 state A): global_block_rsv: size 983040 reserved 978944 BTRFS info (device loop5 state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop5 state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop5 state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop5 state A): delayed_refs_rsv: size 131072 reserved 0 BTRFS: error (device loop5 state A) in __btrfs_free_extent:3202: errno=-28 No space left BTRFS info (device loop5 state EA): forced readonly BTRFS error (device loop5 state EA): failed to run delayed ref for logical 5414912 num_bytes 4096 type 176 action 2 ref_mod 1: -28 BTRFS: error (device loop5 state EA) in btrfs_run_delayed_refs:2191: errno=-28 No space left BTRFS warning (device loop5 state EA): Skipping commit of aborted transaction. BTRFS: error (device loop5 state EA) in cleanup_transaction:2015: errno=-28 No space left BTRFS info (device loop5 state EA): 1 enospc errors during balance BTRFS info (device loop5 state EA): balance: ended with status: -28