From: Russell Bryant <russell@russellbryant.com>
Date: Mon, 19 May 2008 03:44:04 +0000 (+0000)
Subject: Avoid access of uninitialized memory.  This caused a bunch of crashes for me
X-Git-Tag: 1.4.21-rc1~59
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=915e1b570f8bdfc24f3fe6b3ae398ba8e319e36f;p=thirdparty%2Fasterisk.git

Avoid access of uninitialized memory.  This caused a bunch of crashes for me
while doing load testing of development branch where I'm working on some
performance improvements.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@116978 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index dc65b11f09..67bfff42ca 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -6977,7 +6977,7 @@ static int socket_process(struct iax2_thread *thread)
 
 	/* allocate an iax_frame with 4096 bytes of data buffer */
 	fr = alloca(sizeof(*fr) + 4096);
-	fr->callno = 0;
+	memset(fr, 0, sizeof(*fr));
 	fr->afdatalen = 4096; /* From alloca() above */
 
 	/* Copy frequently used parameters to the stack */