Re: [Qemu-devel] [PATCH v3 07/10] linux-user: check return value of malloc()

[Richard Henderson]

On 08/06/2014 10:01 PM, zhanghailiang wrote:
>      if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
>          return -TARGET_EFAULT;
>      host_mb = malloc(msgsz+sizeof(long));
> +    if (!host_mb) {
> +        return -TARGET_ENOMEM;
> +    }

lock_user allocates memory; returning from the middle leaks it.


r~