From 3aad8e18707bccaabee5f111de2db0696b45781c Mon Sep 17 00:00:00 2001 From: Kurt Roeckx Date: Wed, 15 Feb 2017 00:36:46 +0100 Subject: [PATCH] Use memcmp() instead of CRYPTO_memcmp() when fuzzing Reviewed-by: Andy Polyakov GH: #2633 --- crypto/cryptlib.c | 1 + e_os.h | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c index 01b8ce5ed1..f916193605 100644 --- a/crypto/cryptlib.c +++ b/crypto/cryptlib.c @@ -324,6 +324,7 @@ void OPENSSL_die(const char *message, const char *file, int line) * pointers to volatile to not be emitted in some rare, * never needed in real life, pieces of code. */ +# undef CRYPTO_memcmp int CRYPTO_memcmp(const volatile void * volatile in_a, const volatile void * volatile in_b, size_t len) diff --git a/e_os.h b/e_os.h index eafa8623aa..d2f4d3ff28 100644 --- a/e_os.h +++ b/e_os.h @@ -513,6 +513,10 @@ struct servent *getservbyname(const char *name, const char *proto); #define OSSL_NELEM(x) (sizeof(x)/sizeof(x[0])) +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION +# define CRYPTO_memcmp memcmp +#endif + #ifdef __cplusplus } #endif -- 2.25.1