Warning: Permanently added '10.128.0.99' (ED25519) to the list of known hosts. executing program [ 37.807473][ T4292] loop0: detected capacity change from 0 to 32768 [ 37.812558][ T4292] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor258 (4292) [ 37.820769][ T4292] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 37.823561][ T4292] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 37.825667][ T4292] BTRFS info (device loop0): using free space tree [ 37.845285][ T4292] BTRFS info (device loop0): enabling ssd optimizations [ 37.861541][ T4292] BTRFS info (device loop0): balance: start -s [ 37.864795][ T4292] ------------[ cut here ]------------ [ 37.867175][ T4292] WARNING: CPU: 0 PID: 4292 at fs/btrfs/block-group.c:2535 btrfs_create_pending_block_groups+0xd4c/0x1000 [ 37.870168][ T4292] Modules linked in: [ 37.871168][ T4292] CPU: 0 PID: 4292 Comm: syz-executor258 Not tainted 6.1.132-syzkaller #0 [ 37.873344][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 37.875967][ T4292] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.878049][ T4292] pc : btrfs_create_pending_block_groups+0xd4c/0x1000 [ 37.879864][ T4292] lr : btrfs_create_pending_block_groups+0xd4c/0x1000 [ 37.881602][ T4292] sp : ffff800023e87400 [ 37.882673][ T4292] x29: ffff800023e87680 x28: ffff0000e1e691a0 x27: ffff0000cb8961b8 [ 37.884762][ T4292] x26: 0000000000000000 x25: 1fffe00019712c0b x24: dfff800000000000 [ 37.886848][ T4292] x23: 1fffe00019712c0a x22: 0000000000000000 x21: ffff0000cb896058 [ 37.888995][ T4292] x20: 00000000ffffffe4 x19: ffff0000cb896050 x18: 1fffe00036798576 [ 37.891144][ T4292] x17: ffff800015afd000 x16: ffff800008302888 x15: ffff0001b3cc2bbc [ 37.893265][ T4292] x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000000003 [ 37.895399][ T4292] x11: 0000000000ff0100 x10: 0000000000000003 x9 : 49c62be7e9fbf400 [ 37.897555][ T4292] x8 : 49c62be7e9fbf400 x7 : ffff800008279464 x6 : 0000000000000000 [ 37.899642][ T4292] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 37.901818][ T4292] x2 : 0000000000000007 x1 : ffff80001248d5c0 x0 : ffff80019e26e000 [ 37.903931][ T4292] Call trace: [ 37.904820][ T4292] btrfs_create_pending_block_groups+0xd4c/0x1000 [ 37.906587][ T4292] __btrfs_end_transaction+0x254/0x75c [ 37.907974][ T4292] btrfs_end_transaction+0x24/0x34 [ 37.909358][ T4292] btrfs_inc_block_group_ro+0x594/0x624 [ 37.910806][ T4292] btrfs_relocate_block_group+0x31c/0x98c [ 37.912375][ T4292] btrfs_relocate_chunk+0x118/0x368 [ 37.913741][ T4292] __btrfs_balance+0x1468/0x1dc8 [ 37.915165][ T4292] btrfs_balance+0xa38/0xe40 [ 37.916357][ T4292] btrfs_ioctl_balance+0x3e4/0x778 [ 37.917736][ T4292] btrfs_ioctl+0x72c/0xb08 [ 37.918868][ T4292] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.920148][ T4292] invoke_syscall+0x98/0x2bc [ 37.921420][ T4292] el0_svc_common+0x138/0x258 [ 37.922625][ T4292] do_el0_svc+0x58/0x13c [ 37.923708][ T4292] el0_svc+0x58/0x168 [ 37.924783][ T4292] el0t_64_sync_handler+0x84/0xf0 [ 37.926069][ T4292] el0t_64_sync+0x18c/0x190 [ 37.927117][ T4292] irq event stamp: 82164 [ 37.928085][ T4292] hardirqs last enabled at (82163): [] finish_lock_switch+0xbc/0x1e8 [ 37.930333][ T4292] hardirqs last disabled at (82164): [] el1_dbg+0x24/0x80 [ 37.932492][ T4292] softirqs last enabled at (82150): [] handle_softirqs+0xb84/0xd58 [ 37.934968][ T4292] softirqs last disabled at (82041): [] __do_softirq+0x14/0x20 [ 37.937373][ T4292] ---[ end trace 0000000000000000 ]--- [ 37.942232][ T4292] BTRFS info (device loop0: state A): dumping space info: [ 37.944242][ T4292] BTRFS info (device loop0: state A): space_info DATA+METADATA has 1769472 free, is full [ 37.946854][ T4292] BTRFS info (device loop0: state A): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1445888, readonly=0 zone_unusable=0 [ 37.950544][ T4292] BTRFS info (device loop0: state A): space_info SYSTEM has 8253440 free, is not full [ 37.953009][ T4292] BTRFS info (device loop0: state A): space_info total=12451840, used=4096, pinned=0, reserved=4096, may_use=0, readonly=4190208 zone_unusable=0 [ 37.956869][ T4292] BTRFS info (device loop0: state A): global_block_rsv: size 1441792 reserved 1441792 [ 37.959369][ T4292] BTRFS info (device loop0: state A): trans_block_rsv: size 0 reserved 0 [ 37.961574][ T4292] BTRFS info (device loop0: state A): chunk_block_rsv: size 0 reserved 0 [ 37.963805][ T4292] BTRFS info (device loop0: state A): delayed_block_rsv: size 0 reserved 0 [ 37.966142][ T4292] BTRFS info (device loop0: state A): delayed_refs_rsv: size 393216 reserved 4096 [ 37.968532][ T4292] BTRFS: error (device loop0: state A) in btrfs_create_pending_block_groups:2535: errno=-28 No space left [ 37.971453][ T4292] BTRFS info (device loop0: state EA): forced readonly [ 37.973405][ T4292] BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2547: errno=-28 No space left [ 37.976543][ T4292] BTRFS: error (device loop0: state EA) in add_block_group_free_space:1390: errno=-28 No space left [ 37.980038][ T4292] BTRFS info (device loop0: state EA): balance: ended with status: -30