ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 04:33:26 +02:00
Code Issues Packages Projects Releases Wiki Activity

crypto: prefix module autoloading with "crypto-"

Browse Source 
This prefixes all crypto module loading with "crypto-" so we never run
the risk of exposing module auto-loading to userspace via a crypto API,
as demonstrated by Mathias Krause:

https://lkml.org/lkml/2013/3/4/70

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kees Cook
2014-11-20 17:05:53 -08:00
committed by Herbert Xu
parent 5d4a5e770d
commit 5d26a105b5
95 changed files with 155 additions and 123 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
crypto/api.c
View File

@@ -216,11 +216,11 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask)
alg = crypto_alg_lookup(name, type, mask);
if (!alg) {
request_module("%s", name);
request_module("crypto-%s", name);
if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask &
CRYPTO_ALG_NEED_FALLBACK))
request_module("%s-all", name);
request_module("crypto-%s-all", name);
alg = crypto_alg_lookup(name, type, mask);
}