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| author | Kees Cook <keescook@chromium.org> | 2013-07-03 15:01:15 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-13 11:42:26 -0700 |
| commit | c231b9d04be757bd8a9953737ed2c22ffb987f49 (patch) | |
| tree | 12695b0c71746a9acb51c9ff9934299742ec28bf | |
| parent | 88ce7cf76ced99962699d0ebb4d47d6a88b94c29 (diff) | |
| download | kernel-common-c231b9d04be757bd8a9953737ed2c22ffb987f49.tar.gz kernel-common-c231b9d04be757bd8a9953737ed2c22ffb987f49.tar.bz2 kernel-common-c231b9d04be757bd8a9953737ed2c22ffb987f49.zip | |
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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); |