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authorJan Stancek <jstancek@redhat.com>2016-09-28 16:38:37 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2016-10-02 22:33:43 +0800
commit7bcb87bca2f51226f3ec382fcd3ff52cc15747bb (patch)
tree07bb151f7e7dd849a87822e33506f15925c28419 /drivers/crypto
parent3387879524ec07fd9ba371eddd17e717abdd5e4f (diff)
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crypto: testmgr - add guard to dst buffer for ahash_export
Add a guard to 'state' buffer and warn if its consistency after call to crypto_ahash_export() changes, so that any write that goes beyond advertised statesize (and thus causing potential memory corruption [1]) is more visible. [1] https://marc.info/?l=linux-crypto-vger&m=147467656516085 Signed-off-by: Jan Stancek <jstancek@redhat.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Marcelo Cerri <marcelo.cerri@canonical.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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