Re: [PATCH] crypto: do not free algorithm before using

[Herbert Xu]

On Thu, Nov 22, 2018 at 06:00:16PM +0800, Pan Bian wrote:
> In multiple functions, the algorithm fields are read after its reference
> is dropped through crypto_mod_put. In this case, the algorithm memory
> may be freed, resulting in use-after-free bugs. This patch delays the
> put operation until the algorithm is never used.
> 
> Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>

Patch applied.  Thanks!

BTW, this problem exists in almost every other skcipher template,
e.g., in ctr.  Are you working on a fix for them too?

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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