From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 30 Oct 2009 06:01:58 +0000 (-0700)
Subject: Initialize local variable in resolver.
X-Git-Tag: fedora/glibc-2.10.90-27~3^2~14
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=75ded9bcdff960829743aca4a984a4cbf40a3585;p=glibc.git

Initialize local variable in resolver.

When the DNS server doesn't reply at all we possibly tested
an unitialized variable.
---

diff --git a/ChangeLog b/ChangeLog
index 3d869910a9..c622ad5d42 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2009-10-29  Ulrich Drepper  <drepper@redhat.com>
 
+	[BZ #10391]
+	* resolv/res_send.c (send_dg): Initialize resplen.
+
 	[BZ #10446]
 	* sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Match sigevent
 	definition to the kernel's.
diff --git a/resolv/res_send.c b/resolv/res_send.c
index fa48bd98d1..e2bbfcc83f 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -1005,7 +1005,8 @@ send_dg(res_state statp,
 	struct pollfd pfd[1];
 	int ptimeout;
 	struct sockaddr_in6 from;
-	int resplen, n;
+	int resplen = 0;
+	int n;
 
 	/*
 	 * Compute time for the total operation.