Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. executing program [ 42.739536][ T3959] loop0: detected capacity change from 0 to 32768 [ 42.835857][ T3959] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor148 (3959) [ 42.888225][ T3959] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.890730][ T3959] BTRFS info (device loop0): using free space tree [ 42.892714][ T3959] BTRFS info (device loop0): has skinny extents [ 42.911939][ T3959] BTRFS info (device loop0): enabling ssd optimizations [ 42.928743][ T3959] BTRFS info (device loop0): balance: start -s [ 42.932118][ T3959] ------------[ cut here ]------------ [ 42.933842][ T3959] WARNING: CPU: 1 PID: 3959 at fs/btrfs/block-group.c:2421 btrfs_create_pending_block_groups+0xba4/0xebc [ 42.936884][ T3959] Modules linked in: [ 42.937917][ T3959] CPU: 1 PID: 3959 Comm: syz-executor148 Not tainted 5.15.157-syzkaller #0 [ 42.940228][ T3959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 42.943041][ T3959] pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) [ 42.945163][ T3959] pc : btrfs_create_pending_block_groups+0xba4/0xebc [ 42.947028][ T3959] lr : btrfs_create_pending_block_groups+0xba4/0xebc [ 42.948894][ T3959] sp : ffff800018e47460 [ 42.950038][ T3959] x29: ffff800018e476a0 x28: ffff0000cab81440 x27: ffff0000c820c9b0 [ 42.952188][ T3959] x26: ffff0000dc680108 x25: ffff0000c820c850 x24: dfff800000000000 [ 42.954321][ T3959] x23: 1fffe0001904190b x22: 1fffe0001904190a x21: ffff0000cab819d0 [ 42.956446][ T3959] x20: ffff0000c820c858 x19: 00000000ffffffe4 x18: 0000000000000001 [ 42.958626][ T3959] x17: 0000000000000000 x16: ffff800011997d7c x15: 00000000ffffffff [ 42.960813][ T3959] x14: ffff0000c8971b40 x13: 0000000000000001 x12: 0000000000000001 [ 42.962997][ T3959] x11: 0000000000000000 x10: 0000000000000000 x9 : 98748a8bd3c2ef00 [ 42.965149][ T3959] x8 : 98748a8bd3c2ef00 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.967256][ T3959] x5 : ffff800018e46bd8 x4 : ffff800014a1f7c0 x3 : ffff800008550224 [ 42.969407][ T3959] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.971479][ T3959] Call trace: [ 42.972351][ T3959] btrfs_create_pending_block_groups+0xba4/0xebc [ 42.974007][ T3959] __btrfs_end_transaction+0x13c/0x610 [ 42.975428][ T3959] btrfs_end_transaction+0x24/0x34 [ 42.976752][ T3959] btrfs_inc_block_group_ro+0x4dc/0x54c [ 42.978190][ T3959] btrfs_relocate_block_group+0x2c0/0x8bc [ 42.979712][ T3959] btrfs_relocate_chunk+0xb8/0x280 [ 42.981080][ T3959] __btrfs_balance+0x1214/0x1e20 [ 42.982404][ T3959] btrfs_balance+0xaa8/0x111c [ 42.983635][ T3959] btrfs_ioctl_balance+0x50c/0x7b4 [ 42.984962][ T3959] btrfs_ioctl+0x8d4/0xa5c [ 42.986164][ T3959] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.987543][ T3959] invoke_syscall+0x98/0x2b8 [ 42.988734][ T3959] el0_svc_common+0x138/0x258 [ 42.989943][ T3959] do_el0_svc+0x58/0x14c [ 42.991040][ T3959] el0_svc+0x7c/0x1f0 [ 42.992107][ T3959] el0t_64_sync_handler+0x84/0xe4 [ 42.993495][ T3959] el0t_64_sync+0x1a0/0x1a4 [ 42.994768][ T3959] irq event stamp: 86424 [ 42.995947][ T3959] hardirqs last enabled at (86423): [] __up_console_sem+0xb4/0x100 [ 42.998617][ T3959] hardirqs last disabled at (86424): [] el1_dbg+0x24/0x80 [ 43.000906][ T3959] softirqs last enabled at (86136): [] local_bh_enable+0x10/0x34 [ 43.003354][ T3959] softirqs last disabled at (86134): [] local_bh_disable+0x10/0x34 [ 43.005879][ T3959] ---[ end trace d76de234d5e93a3a ]--- [ 43.007457][ T3959] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2421: errno=-28 No space left [ 43.010227][ T3959] BTRFS info (device loop0): forced readonly [ 43.011997][ T3959] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2432: errno=-28 No space left [ 43.014968][ T3959] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 43.018743][ T3959] BTRFS info (device loop0): balance: ended with status: -30