Commit 1c8fca1d authored Jul 03, 2013 by Kees Cook Committed by Linus Torvalds Jul 03, 2013

crypto: sanitize argument for format string

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: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ffc8b308

crypto/algapi.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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);