diff options
Diffstat (limited to 'ext/openssl/ossl.c')
| -rw-r--r-- | ext/openssl/ossl.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/ext/openssl/ossl.c b/ext/openssl/ossl.c index 43ccf4c3fd..689f21ae0f 100644 --- a/ext/openssl/ossl.c +++ b/ext/openssl/ossl.c @@ -18,11 +18,12 @@ int string2hex(const unsigned char *buf, int buf_len, char **hexbuf, int *hexbuf_len) { static const char hex[]="0123456789abcdef"; - int i, len = 2 * buf_len; + int i, len; - if (buf_len < 0 || len < buf_len) { /* PARANOIA? */ + if (buf_len < 0 || buf_len > INT_MAX / 2) { /* PARANOIA? */ return -1; } + len = 2 * buf_len; if (!hexbuf) { /* if no buf, return calculated len */ if (hexbuf_len) { *hexbuf_len = len; |