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)

(cherry picked from commit c5cc9c419a0a8d97a44f01f95f0e213f56da4574)

diff --git a/crypto/o_str.c b/crypto/o_str.c
index 7fa487dd5fcdec5ebaa0d95d4357c1a3b62bc908..bfbc2ca5e372cde35704bb119fa8dfd47d9773c1 100644 (file)
--- a/crypto/o_str.c
+++ b/crypto/o_str.c
@@ -251,7 +251,7 @@ 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;
 }