Re: [PATCH v2] ARM64: crypto: do not call crypto_unregister_skcipher twice on error
flat view
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2017-11-29 06:40:54
Also in:
linux-arm-kernel, lkml
On Fri, Nov 24, 2017 at 08:22:07AM +0000, Corentin Labbe wrote:
When a cipher fails to register in aes_init(), the error path goes thought aes_exit() then crypto_unregister_skciphers(). Since aes_exit calls also crypto_unregister_skcipher, this triggers a refcount_t: underflow; use-after-free. Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Patch applied. Thanks. -- Email: Herbert Xu [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt