From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 26 Sep 2012 02:50:39 +0000 (-0400)
Subject: Fix: BSD getprogname null pointer dereference
X-Git-Tag: v2.1.0-rc2~38
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=7c41892ff829c521b304bd086b9796f69302e091;p=lttng-ust.git

Fix: BSD getprogname null pointer dereference

Signed-off-by: Christian Babeux <christian.babeux@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/liblttng-ust/compat.h b/liblttng-ust/compat.h
index 58d8585c..4d4a4368 100644
--- a/liblttng-ust/compat.h
+++ b/liblttng-ust/compat.h
@@ -55,7 +55,8 @@ void lttng_ust_getprocname(char *name)
 	bsd_name = getprogname();
 	if (!bsd_name)
 		name[0] = '\0';
-	memcpy(name, bsd_name, LTTNG_UST_PROCNAME_LEN - 1);
+	else
+		memcpy(name, bsd_name, LTTNG_UST_PROCNAME_LEN - 1);
 }
 
 #endif