Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. executing program [ 39.076138][ T4291] loop0: detected capacity change from 0 to 32768 [ 39.081280][ T4291] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor405 (4291) [ 39.095061][ T4291] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 39.097603][ T4291] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 39.099693][ T4291] BTRFS info (device loop0): using free space tree [ 39.113660][ T4291] BTRFS info (device loop0): enabling ssd optimizations [ 39.129450][ T4291] BTRFS info (device loop0): balance: start -s [ 39.132910][ T4291] ------------[ cut here ]------------ [ 39.134607][ T4291] WARNING: CPU: 0 PID: 4291 at fs/btrfs/block-group.c:2535 btrfs_create_pending_block_groups+0xd4c/0x1000 [ 39.137433][ T4291] Modules linked in: [ 39.138402][ T4291] CPU: 0 PID: 4291 Comm: syz-executor405 Not tainted 6.1.132-syzkaller #0 [ 39.140506][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 39.143026][ T4291] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 39.145028][ T4291] pc : btrfs_create_pending_block_groups+0xd4c/0x1000 [ 39.146699][ T4291] lr : btrfs_create_pending_block_groups+0xd4c/0x1000 [ 39.148487][ T4291] sp : ffff8000212f7400 [ 39.149576][ T4291] x29: ffff8000212f7680 x28: ffff0000e26e30f8 x27: ffff0000d11191b8 [ 39.151673][ T4291] x26: 0000000000000000 x25: 1fffe0001a22320b x24: dfff800000000000 [ 39.153680][ T4291] x23: 1fffe0001a22320a x22: 0000000000000000 x21: ffff0000d1119058 [ 39.155659][ T4291] x20: 00000000ffffffe4 x19: ffff0000d1119050 x18: ffff8000212f6880 [ 39.157669][ T4291] x17: 0000000000000000 x16: ffff8000123287ec x15: 0000000000000000 [ 39.159786][ T4291] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 [ 39.161925][ T4291] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a42a23cb2c394100 [ 39.164012][ T4291] x8 : a42a23cb2c394100 x7 : 0000000000000001 x6 : 0000000000000001 [ 39.166050][ T4291] x5 : ffff8000212f6cf8 x4 : ffff800015be5360 x3 : ffff800008587994 [ 39.168171][ T4291] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 39.170159][ T4291] Call trace: [ 39.171028][ T4291] btrfs_create_pending_block_groups+0xd4c/0x1000 [ 39.172744][ T4291] __btrfs_end_transaction+0x254/0x75c [ 39.174084][ T4291] btrfs_end_transaction+0x24/0x34 [ 39.175436][ T4291] btrfs_inc_block_group_ro+0x594/0x624 [ 39.176851][ T4291] btrfs_relocate_block_group+0x31c/0x98c [ 39.178285][ T4291] btrfs_relocate_chunk+0x118/0x368 [ 39.179496][ T4291] __btrfs_balance+0x1468/0x1dc8 [ 39.180701][ T4291] btrfs_balance+0xa38/0xe40 [ 39.181935][ T4291] btrfs_ioctl_balance+0x3e4/0x778 [ 39.183207][ T4291] btrfs_ioctl+0x72c/0xb08 [ 39.184326][ T4291] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.185632][ T4291] invoke_syscall+0x98/0x2bc [ 39.186896][ T4291] el0_svc_common+0x138/0x258 [ 39.188132][ T4291] do_el0_svc+0x58/0x13c [ 39.189234][ T4291] el0_svc+0x58/0x168 [ 39.190233][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 39.191380][ T4291] el0t_64_sync+0x18c/0x190 [ 39.192542][ T4291] irq event stamp: 64404 [ 39.193699][ T4291] hardirqs last enabled at (64403): [] __up_console_sem+0xb4/0x100 [ 39.196020][ T4291] hardirqs last disabled at (64404): [] el1_dbg+0x24/0x80 [ 39.198303][ T4291] softirqs last enabled at (64196): [] handle_softirqs+0xb84/0xd58 [ 39.200761][ T4291] softirqs last disabled at (64117): [] __do_softirq+0x14/0x20 [ 39.203027][ T4291] ---[ end trace 0000000000000000 ]--- [ 39.204467][ T4291] BTRFS info (device loop0: state A): dumping space info: [ 39.206278][ T4291] BTRFS info (device loop0: state A): space_info DATA+METADATA has 1769472 free, is full [ 39.208887][ T4291] BTRFS info (device loop0: state A): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1445888, readonly=0 zone_unusable=0 [ 39.212520][ T4291] BTRFS info (device loop0: state A): space_info SYSTEM has 8253440 free, is not full [ 39.214865][ T4291] BTRFS info (device loop0: state A): space_info total=12451840, used=4096, pinned=0, reserved=4096, may_use=0, readonly=4190208 zone_unusable=0 [ 39.218432][ T4291] BTRFS info (device loop0: state A): global_block_rsv: size 1441792 reserved 1441792 [ 39.220871][ T4291] BTRFS info (device loop0: state A): trans_block_rsv: size 0 reserved 0 [ 39.223006][ T4291] BTRFS info (device loop0: state A): chunk_block_rsv: size 0 reserved 0 [ 39.225120][ T4291] BTRFS info (device loop0: state A): delayed_block_rsv: size 0 reserved 0 [ 39.227227][ T4291] BTRFS info (device loop0: state A): delayed_refs_rsv: size 393216 reserved 4096 [ 39.229575][ T4291] BTRFS: error (device loop0: state A) in btrfs_create_pending_block_groups:2535: errno=-28 No space left [ 39.232483][ T4291] BTRFS info (device loop0: state EA): forced readonly [ 39.234521][ T4291] BTRFS: error (device loop0: state EA) in btrfs_create_pending_block_groups:2547: errno=-28 No space left [ 39.237468][ T4291] BTRFS: error (device loop0: state EA) in add_block_group_free_space:1390: errno=-28 No space left [ 39.241337][ T4291] BTRFS info (device loop0: state EA): balance: ended with status: -30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program