From: Ian Jackson <ian@davenant.greenend.org.uk>
Date: Thu, 20 Mar 2008 02:26:26 +0000 (+0200)
Subject: Fix crash when a .deb file becomes unreadable while dpkg is starting
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=402e247056c58a16ec81ca894135dbfcf02575d8;p=dpkg

Fix crash when a .deb file becomes unreadable while dpkg is starting

Closes: #386210
---

diff --git a/ChangeLog b/ChangeLog
index fd422302..6e42dbcd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-03-20  Ian Jackson  <ian@davenant.greenend.org.uk>
+
+	* lib/tarfn.c (TarExtractor): Initialize h.LinkName and h.Name to
+	NULL.
+
 2008-03-16  Raphael Hertzog  <hertzog@debian.org>
 
 	* scripts/Dpkg/Shlibs/Objdump.pm: Add "objid" property to
diff --git a/debian/changelog b/debian/changelog
index 2202e5c3..ffd82402 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -27,6 +27,8 @@ dpkg (1.14.17) UNRELEASED; urgency=low
     Thanks to Ian Jackson.
   * Allow compilation with --disable-nls on systems without libintl.h where
     a non glibc claims to be glibc. Closes: #465420
+  * Fix crash when a .deb file becomes unreadable while dpkg is starting.
+    Thanks to Ian Jackson. Closes: #386210
 
   [ Raphael Hertzog ]
   * Add a warning displayed by dpkg-genchanges if the current version is
diff --git a/lib/tarfn.c b/lib/tarfn.c
index 397fedc4..66b33f28 100644
--- a/lib/tarfn.c
+++ b/lib/tarfn.c
@@ -140,6 +140,8 @@ TarExtractor(
 	symListBottom = symListPointer = symListTop = m_malloc(sizeof(symlinkList));
 	symListTop->next = NULL;
 
+	h.Name = NULL;
+	h.LinkName = NULL;
 	h.UserData = userData;
 
 	while ( (status = functions->Read(userData, buffer, 512)) == 512 ) {