Warning: Permanently added '10.128.10.32' (ED25519) to the list of known hosts. executing program [ 39.224237][ T4025] loop0: detected capacity change from 0 to 32768 [ 39.298092][ T4025] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor153 (4025) [ 39.350199][ T4025] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 39.353222][ T4025] BTRFS info (device loop0): force zlib compression, level 3 [ 39.355338][ T4025] BTRFS info (device loop0): force clearing of disk cache [ 39.358167][ T4025] BTRFS info (device loop0): setting nodatasum [ 39.360005][ T4025] BTRFS info (device loop0): allowing degraded mounts [ 39.361940][ T4025] BTRFS info (device loop0): enabling disk space caching [ 39.363993][ T4025] BTRFS info (device loop0): disk space caching is enabled [ 39.365998][ T4025] BTRFS info (device loop0): has skinny extents [ 39.388927][ T4025] BTRFS info (device loop0): clearing free space tree [ 39.391316][ T4025] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 39.394256][ T4025] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 39.411476][ T4025] BTRFS info (device loop0): balance: start -susage=7,drange=7..2048,limit=55834574849,limit=1..13 [ 39.416006][ T4025] ------------[ cut here ]------------ [ 39.417979][ T4025] WARNING: CPU: 0 PID: 4025 at fs/btrfs/block-group.c:2437 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 39.421325][ T4025] Modules linked in: [ 39.422473][ T4025] CPU: 0 PID: 4025 Comm: syz-executor153 Not tainted 5.15.180-syzkaller #0 [ 39.424976][ T4025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 39.427930][ T4025] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 39.430274][ T4025] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 39.432261][ T4025] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 39.434203][ T4025] sp : ffff80001f037540 [ 39.435358][ T4025] x29: ffff80001f037710 x28: ffff0000cbde7058 x27: ffff0000dcf871c0 [ 39.437713][ T4025] x26: ffff0000dcf871b8 x25: ffff0000cbde7050 x24: dfff800000000000 [ 39.440098][ T4025] x23: ffff0000cbde71b0 x22: 1fffe000197bce0b x21: 1fffe000197bce0a [ 39.442425][ T4025] x20: 00000000ffffffe4 x19: ffff0000d9f3d9d0 x18: 0000000000000001 [ 39.444827][ T4025] x17: 0000000000000000 x16: ffff800008300f58 x15: 00000000ffffffff [ 39.447226][ T4025] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 39.449472][ T4025] x11: 0000000000000000 x10: 0000000000000000 x9 : ceb8804bb24cb900 [ 39.451814][ T4025] x8 : ceb8804bb24cb900 x7 : 0000000000000001 x6 : 0000000000000001 [ 39.454239][ T4025] x5 : ffff80001f036e38 x4 : ffff80001422f280 x3 : ffff800008301068 [ 39.456577][ T4025] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 39.458986][ T4025] Call trace: [ 39.459924][ T4025] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 39.461814][ T4025] __btrfs_end_transaction+0x13c/0x608 [ 39.463375][ T4025] btrfs_end_transaction+0x24/0x34 [ 39.464848][ T4025] btrfs_inc_block_group_ro+0x4ec/0x558 [ 39.466429][ T4025] btrfs_relocate_block_group+0x2b8/0x8a4 [ 39.468071][ T4025] btrfs_relocate_chunk+0xb8/0x280 [ 39.469601][ T4025] __btrfs_balance+0x1170/0x1ba4 [ 39.471051][ T4025] btrfs_balance+0xac4/0x1138 [ 39.472437][ T4025] btrfs_ioctl_balance+0x4cc/0x658 [ 39.473960][ T4025] btrfs_ioctl+0x8d0/0xb38 [ 39.475300][ T4025] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.476745][ T4025] invoke_syscall+0x98/0x2b8 [ 39.478086][ T4025] el0_svc_common+0x138/0x258 [ 39.479445][ T4025] do_el0_svc+0x58/0x14c [ 39.480609][ T4025] el0_svc+0x78/0x1e0 [ 39.481762][ T4025] el0t_64_sync_handler+0xcc/0xe4 [ 39.483201][ T4025] el0t_64_sync+0x1a0/0x1a4 [ 39.484496][ T4025] irq event stamp: 83516 [ 39.485748][ T4025] hardirqs last enabled at (83515): [] __up_console_sem+0xb4/0x100 [ 39.488580][ T4025] hardirqs last disabled at (83516): [] el1_dbg+0x24/0x80 [ 39.491222][ T4025] softirqs last enabled at (83506): [] handle_softirqs+0xa4c/0xbf0 [ 39.494003][ T4025] softirqs last disabled at (83495): [] __irq_exit_rcu+0x240/0x440 [ 39.496872][ T4025] ---[ end trace 28fce5c302e6c12a ]--- [ 39.498717][ T4025] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2437: errno=-28 No space left [ 39.501798][ T4025] BTRFS info (device loop0): forced readonly [ 39.503798][ T4025] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2448: errno=-28 No space left [ 39.507810][ T4025] BTRFS info (device loop0): balance: ended with status: -30