From: Benoît Ganne <bganne@cisco.com>
Date: Thu, 26 Nov 2020 18:56:44 +0000 (+0100)
Subject: vlib: fix vlib log elog vector overrun
X-Git-Tag: v21.06-rc0~101
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=633122e1fd06a3f09e3cd08732fc49b5d0028221;p=vpp.git

vlib: fix vlib log elog vector overrun

vlib log strings are vectors not necessarily null-terminated C-string.

Type: fix
Fixes: bc867c3d2137dab4b1395196c1936233517980ab

Change-Id: Ia805ecdf4e76ccb1001dc93647161ee1c3adebc9
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/vlib/log.c b/src/vlib/log.c
index bd456aeafe9..ed14d9ecdc6 100644
--- a/src/vlib/log.c
+++ b/src/vlib/log.c
@@ -251,7 +251,7 @@ vlib_log (vlib_log_level_t level, vlib_log_class_t class, char *fmt, ...)
           /* *INDENT-ON* */
 	  ed = ELOG_DATA (&vm->elog_main, ee);
 	  ed->log_level = level;
-	  ed->string_index = elog_string (&vm->elog_main, (char *) e->string);
+	  ed->string_index = elog_string (&vm->elog_main, "%v", e->string);
 	}
 
       lm->next = (lm->next + 1) % lm->size;