|
| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH v3 07/10] linux-user: check return value of malloc() |
| Date: | Thu, 07 Aug 2014 07:19:02 -1000 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 |
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~
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