Messages in this thread Patch in this message | | | From | Kees Cook <> | Subject | [PATCH 2/6] crypto: sanitize argument for format string | Date | Fri, 7 Jun 2013 16:50:51 -0700 |
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The template lookup interface does not provide a way to use format strings, so make sure that the interface cannot be abused accidentally.
Signed-off-by: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> --- crypto/algapi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/crypto/algapi.c b/crypto/algapi.c index 6149a6e..7a1ae87 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -495,7 +495,8 @@ static struct crypto_template *__crypto_lookup_template(const char *name) struct crypto_template *crypto_lookup_template(const char *name) { - return try_then_request_module(__crypto_lookup_template(name), name); + return try_then_request_module(__crypto_lookup_template(name), "%s", + name); } EXPORT_SYMBOL_GPL(crypto_lookup_template); -- 1.7.9.5
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