[dm-devel] [PATCH v5 10/11] crypto: ahash: Remove VLA usage for AHASH_REQUEST_ON_STACK
Kees Cook
keescook at chromium.org
Tue Jul 17 20:11:52 UTC 2018
On Tue, Jul 17, 2018 at 9:43 AM, Eric Biggers <ebiggers3 at gmail.com> wrote:
> On Mon, Jul 16, 2018 at 09:21:49PM -0700, Kees Cook wrote:
>> + reqsize = sizeof(struct shash_desc) + crypto_shash_descsize(shash);
>> + if (WARN_ON(reqsize > AHASH_MAX_REQSIZE)) {
>> + crypto_mod_put(calg);
>> + return -EINVAL;
>> + }
>
> 'crypto_free_shash(shash);' instead of 'crypto_mod_put(calg);'
Oops! Yes, thanks; I have fixed it now in the next version.
-Kees
--
Kees Cook
Pixel Security
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