Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.836384][ T3070] loop0: detected capacity change from 0 to 32768 [ 26.840062][ T3070] BTRFS: device fsid 5ac8a51e-da3a-4998-8e66-e1df06b87bc8 devid 1 transid 8 /dev/loop0 scanned by syz-executor171 (3070) [ 26.845248][ T3070] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 26.848025][ T3070] BTRFS info (device loop0): using free space tree [ 26.856141][ T3070] BTRFS info (device loop0): enabling ssd optimizations [ 26.858903][ T3070] BTRFS info (device loop0): checking UUID tree [ 26.870529][ T3070] ------------[ cut here ]------------ [ 26.872027][ T3070] WARNING: CPU: 1 PID: 3070 at fs/read_write.c:504 __kernel_write_iter+0x250/0x284 [ 26.874596][ T3070] Modules linked in: [ 26.875625][ T3070] CPU: 1 PID: 3070 Comm: syz-executor171 Not tainted 6.1.0-rc6-syzkaller-32662-g6d464646530f #0 [ 26.878315][ T3070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.881241][ T3070] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.883432][ T3070] pc : __kernel_write_iter+0x250/0x284 [ 26.884980][ T3070] lr : __kernel_write_iter+0x250/0x284 [ 26.886431][ T3070] sp : ffff800012f0ba90 [ 26.887713][ T3070] x29: ffff800012f0bad0 x28: ffff0000cb822000 x27: 0000000000000000 [ 26.889963][ T3070] x26: 0000000000000000 x25: 0000000000000011 x24: ffff0000cab3dd00 [ 26.892118][ T3070] x23: 0000000000000000 x22: ffff0000c0c53808 x21: ffff0000c4bdee00 [ 26.894238][ T3070] x20: ffff800012f0bb20 x19: 00000000000a801d x18: 00000000000000c0 [ 26.896405][ T3070] x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c7db4ec0 [ 26.898749][ T3070] x14: 0000000000000000 x13: 00001fffffffffff x12: ffff0000c7db4ec0 [ 26.900862][ T3070] x11: ff808000085ba5e8 x10: 0000000000000000 x9 : ffff8000085ba5e8 [ 26.903096][ T3070] x8 : ffff0000c7db4ec0 x7 : 6b636f6c5f746e65 x6 : ffff80000801154c [ 26.905421][ T3070] x5 : ffff80000e0c9d58 x4 : 0000000000000011 x3 : 0000000000000001 [ 26.907802][ T3070] x2 : ffff0000c0c53808 x1 : 0000000000000000 x0 : 0000000000000000 [ 26.910055][ T3070] Call trace: [ 26.910959][ T3070] __kernel_write_iter+0x250/0x284 [ 26.912350][ T3070] kernel_write+0x10c/0x1d0 [ 26.913570][ T3070] send_subvol+0x94/0x17ec [ 26.914764][ T3070] btrfs_ioctl_send+0xd74/0xed0 [ 26.916092][ T3070] _btrfs_ioctl_send+0x188/0x218 [ 26.917225][ T3070] btrfs_ioctl+0x5c0/0xa64 [ 26.918277][ T3070] __arm64_sys_ioctl+0xd0/0x140 [ 26.919364][ T3070] el0_svc_common+0x138/0x220 [ 26.920632][ T3070] do_el0_svc+0x48/0x164 [ 26.921783][ T3070] el0_svc+0x58/0x150 [ 26.922801][ T3070] el0t_64_sync_handler+0x84/0xf0 [ 26.924156][ T3070] el0t_64_sync+0x190/0x194 [ 26.925416][ T3070] irq event stamp: 82240 [ 26.926579][ T3070] hardirqs last enabled at (82239): [] finish_lock_switch+0x94/0xe8 [ 26.929203][ T3070] hardirqs last disabled at (82240): [] el1_dbg+0x24/0x80 [ 26.931582][ T3070] softirqs last enabled at (82186): [] local_bh_enable+0x10/0x34 [ 26.934194][ T3070] softirqs last disabled at (82184): [] local_bh_disable+0x10/0x34 [ 26.936574][ T3070] ---[ end trace 0000000000000000 ]---