Fix off by one issue in buf2hexstr_sep()

Fixes #23363

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23404)

diff --git a/crypto/o_str.c b/crypto/o_str.c
index f1aacda5e3526c24c4e77dd884a1f5e276663173..ce60f3b95c0d63466b2efacc5a9f075844a4120b 100644 (file)
--- a/crypto/o_str.c
+++ b/crypto/o_str.c
@@ -247,7 +247,7 @@ static int buf2hexstr_sep(char *str, size_t str_n, size_t *strlength,
     *q = CH_ZERO;
 
 #ifdef CHARSET_EBCDIC
-    ebcdic2ascii(str, str, q - str - 1);
+    ebcdic2ascii(str, str, q - str);
 #endif
     return 1;
 }