From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kees Cook , Herbert Xu , "David S. Miller" , Andrew Morton , Linus Torvalds Subject: [ 09/19] crypto: sanitize argument for format string Date: Thu, 11 Jul 2013 15:01:26 -0700 Message-Id: <20130711214831.707080528@linuxfoundation.org> In-Reply-To: <20130711214830.611455274@linuxfoundation.org> References: <20130711214830.611455274@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kees Cook commit 1c8fca1d92e14859159a82b8a380d220139b7344 upstream. 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 Cc: Herbert Xu Cc: "David S. Miller" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- crypto/algapi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -495,7 +495,8 @@ static struct crypto_template *__crypto_ 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);