[edk2-devel] [PATCH v2 3/3] CryptoPkg/BaseCryptLib: Fix possible uninitialized use
Sergei Dmitrouk
sergei at posteo.net
Tue May 18 16:09:42 UTC 2021
`Result` can be used uninitialized in both functions after following
either first or second `goto` statement.
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu at intel.com>
Cc: Guomin Jiang <guomin.jiang at intel.com>
Signed-off-by: Sergei Dmitrouk <sergei at posteo.net>
---
CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c | 1 +
CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c
index 4009d37d5f91..0b2960f06c4c 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c
@@ -82,6 +82,7 @@ RsaPssVerify (
EVP_PKEY_CTX *KeyCtx;
CONST EVP_MD *HashAlg;
+ Result = FALSE;
EvpRsaKey = NULL;
EvpVerifyCtx = NULL;
KeyCtx = NULL;
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c
index b66b6f7296ad..ece765f9ae0a 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c
@@ -97,6 +97,7 @@ RsaPssSign (
EVP_PKEY_CTX *KeyCtx;
CONST EVP_MD *HashAlg;
+ Result = FALSE;
EvpRsaKey = NULL;
EvpVerifyCtx = NULL;
KeyCtx = NULL;
--
2.17.6
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