r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000180)='numa_maps\x00')
mount$9p_fd(0x0, 0x0, 0x0, 0x0, &(0x7f00000016c0))
readv(r0, &(0x7f00000002c0)=[{&(0x7f00000004c0)=""/4089, 0xff9}], 0x1)