diff options
Diffstat (limited to 'openssl/crypto/mem.c')
| -rw-r--r-- | openssl/crypto/mem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/openssl/crypto/mem.c b/openssl/crypto/mem.c index 8f736c3b1..21c001138 100644 --- a/openssl/crypto/mem.c +++ b/openssl/crypto/mem.c @@ -363,6 +363,10 @@ void *CRYPTO_realloc_clean(void *str, int old_len, int num, const char *file, if (num <= 0) return NULL; + /* We don't support shrinking the buffer. Note the memcpy that copies + * |old_len| bytes to the new buffer, below. */ + if (num < old_len) return NULL; + if (realloc_debug_func != NULL) realloc_debug_func(str, NULL, num, file, line, 0); ret=malloc_ex_func(num,file,line); |