From a3063b37ef4cf703848e71bf9b0eab82ae451f6f Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Wed, 19 Feb 2003 11:54:57 +0000 Subject: [PATCH] Make sure the memory allocation routines check for negative sizes --- crypto/mem.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/crypto/mem.c b/crypto/mem.c index d7d3cda5dc..29df7d35b2 100644 --- a/crypto/mem.c +++ b/crypto/mem.c @@ -252,6 +252,8 @@ void *CRYPTO_malloc_locked(int num, const char *file, int line) void *ret = NULL; extern unsigned char cleanse_ctr; + if (num < 0) return NULL; + allow_customize = 0; if (malloc_debug_func != NULL) { @@ -291,6 +293,8 @@ void *CRYPTO_malloc(int num, const char *file, int line) void *ret = NULL; extern unsigned char cleanse_ctr; + if (num < 0) return NULL; + allow_customize = 0; if (malloc_debug_func != NULL) { @@ -319,6 +323,9 @@ void *CRYPTO_realloc(void *str, int num, const char *file, int line) if (str == NULL) return CRYPTO_malloc(num, file, line); + + if (num < 0) return NULL; + if (realloc_debug_func != NULL) realloc_debug_func(str, NULL, num, file, line, 0); ret = realloc_ex_func(str,num,file,line); @@ -338,6 +345,9 @@ void *CRYPTO_realloc_clean(void *str, int old_len, int num, const char *file, if (str == NULL) return CRYPTO_malloc(num, file, line); + + if (num < 0) return NULL; + if (realloc_debug_func != NULL) realloc_debug_func(str, NULL, num, file, line, 0); ret=malloc_ex_func(num,file,line); -- 2.25.1