From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Wed, 7 Sep 2016 15:54:40 +0000 (-0400)
Subject: Fix: report truncation on snprintf
X-Git-Tag: v2.9.0-rc1~28
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=16aa84a9d47e500a29ed06c929600aa2117a6e80;p=lttng-tools.git

Fix: report truncation on snprintf

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/common/uri.c b/src/common/uri.c
index 58ffcbcd6..380e75dd3 100644
--- a/src/common/uri.c
+++ b/src/common/uri.c
@@ -587,6 +587,10 @@ ssize_t uri_parse_str_urls(const char *ctrl_url, const char *data_url,
 		if (ret < 0) {
 			PERROR("snprintf file url");
 			goto parse_error;
+		} else if (ret >= sizeof(url)) {
+			PERROR("snprintf file url is too long");
+			goto parse_error;
+
 		}
 		ctrl_url = url;
 	}