3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kees Cook <keesc...@chromium.org>
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 <keesc...@chromium.org>
Cc: Herbert Xu <herb...@gondor.apana.org.au>
Cc: "David S. Miller" <da...@davemloft.net>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
crypto/algapi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -512,7 +512,8 @@ 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);
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