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| author | Kees Cook <keescook@chromium.org> | 2013-07-03 15:01:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:25 -0700 |
| commit | 1c8fca1d92e14859159a82b8a380d220139b7344 (patch) | |
| tree | fe9c17b832774f32823bbd5b1712ee686ccc21f6 /crypto | |
| parent | ffc8b30866879ed9ba62bd0a86fecdbd51cd3d19 (diff) | |
| download | lwn-1c8fca1d92e14859159a82b8a380d220139b7344.tar.gz lwn-1c8fca1d92e14859159a82b8a380d220139b7344.zip | |
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>
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 6149a6e09643..7a1ae87f1683 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); |