BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop4): balance: start -susage=12582912,drange=8796093022212..7,limit=10376293541461622786,limit=2..2415919104 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4462 at fs/btrfs/block-group.c:2535 btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 Modules linked in: CPU: 1 PID: 4462 Comm: syz.4.5 Tainted: G W 6.1.121-syzkaller #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_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 lr : btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 sp : ffff8000216f7400 x29: ffff8000216f7680 x28: ffff0000cc5e7590 x27: ffff0000f1aa21b8 x26: 0000000000000000 x25: 1fffe0001e35440b x24: dfff800000000000 x23: 1fffe0001e35440a x22: 0000000000000000 x21: ffff0000f1aa2058 x20: 00000000ffffffe4 x19: ffff0000f1aa2050 x18: ffff8000216f6800 x17: 0000000000000000 x16: ffff80001232c2f4 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 000000000004d702 x10: ffff800027319000 x9 : 8e109494c7b40800 x8 : 8e109494c7b40800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000216f6cf8 x4 : ffff800015b731e0 x3 : ffff800008587354 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: btrfs_create_pending_block_groups+0xd4c/0x1000 fs/btrfs/block-group.c:2535 __btrfs_end_transaction+0x254/0x75c fs/btrfs/transaction.c:1010 btrfs_end_transaction+0x24/0x34 fs/btrfs/transaction.c:1049 btrfs_inc_block_group_ro+0x594/0x624 fs/btrfs/block-group.c:2799 btrfs_relocate_block_group+0x31c/0x98c fs/btrfs/relocation.c:4046 btrfs_relocate_chunk+0x118/0x368 fs/btrfs/volumes.c:3344 __btrfs_balance+0x1468/0x1dc8 fs/btrfs/volumes.c:4092 btrfs_balance+0xa38/0xe40 fs/btrfs/volumes.c:4468 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:4531 btrfs_ioctl+0x72c/0xb08 fs/btrfs/ioctl.c:5570 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+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 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:585 irq event stamp: 75266 hardirqs last enabled at (75265): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (75266): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (75156): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (75156): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (75139): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop4: state A): dumping space info: BTRFS info (device loop4: state A): space_info DATA+METADATA has 2240512 free, is full BTRFS info (device loop4: state A): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=987136, readonly=0 zone_unusable=0 BTRFS info (device loop4: state A): space_info SYSTEM has 8253440 free, is not full BTRFS info (device loop4: state A): space_info total=12451840, used=4096, pinned=0, reserved=4096, may_use=0, readonly=4190208 zone_unusable=0 BTRFS info (device loop4: state A): global_block_rsv: size 983040 reserved 983040 BTRFS info (device loop4: state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop4: state A): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop4: state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop4: state A): delayed_refs_rsv: size 196608 reserved 4096 BTRFS: error (device loop4: state A) in btrfs_create_pending_block_groups:2535: errno=-28 No space left BTRFS info (device loop4: state EA): forced readonly BTRFS: error (device loop4: state EA) in btrfs_create_pending_block_groups:2547: errno=-28 No space left BTRFS info (device loop4: state EA): balance: ended with status: -30 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16