Re: [net-next] net: crypto set sk to NULL when af_alg_release.
From: maowenan
Date: Sun Feb 17 2019 - 21:33:30 EST
On 2019/2/18 7:42, David Miller wrote:
> From: Mao Wenan <maowenan@xxxxxxxxxx>
> Date: Fri, 15 Feb 2019 22:24:15 +0800
>
>> KASAN has found use-after-free in sockfs_setattr.
>> The existed commit 6d8c50dcb029 ("socket: close race condition between sock_close()
>> and sockfs_setattr()") is to fix this simillar issue, but it seems to ignore
>> that crypto module forgets to set the sk to NULL after af_alg_release.
>
> Please target this at 'net' since this is a bug fix.
Thank you, I have sent the v2 patch targets to "net" mail list.
>
> .
>