diff options
| author | Kees Cook <keescook@chromium.org> | 2013-07-03 15:01:15 -0700 |
|---|---|---|
| committer | Kamal Mostafa <kamal@canonical.com> | 2013-07-16 10:35:42 -0700 |
| commit | 78b878eab3a884bfa7b2dd938a3afa6a8b61deae (patch) | |
| tree | c8c39a684f9e253d41f5206a088e3926e39007de /crypto | |
| parent | 723aebafa4b4cefe3c2609a5da98f43578e6d572 (diff) | |
crypto: sanitize argument for format string
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 <keescook@chromium.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/algapi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index c3b9bfeeb7ff..13e5766a0bd1 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); |