Backport wrudf fixes

Fix parsing Volume Descriptor Sequence
Exit on allocation failure

udftools-2.3-backported_fixes.patch

@@ -286,3 +286,72 @@ index 58d810a..0b9e4a7 100644
  				}
  				else
  				{
+
+From 7a432b0bcd76cbd6a79925cde213f5d9073df137 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali.rohar@gmail.com>
+Date: Sat, 12 Jun 2021 12:09:05 +0200
+Subject: [PATCH] wrudf: Fix parsing Volume Descriptor Sequence
+
+Fixes reading Reserve Volume Descriptor Sequence and fixes crashing when
+readTaggedBlock() returns NULL.
+---
+ wrudf/wrudf.c | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/wrudf/wrudf.c b/wrudf/wrudf.c
+index 79ca383..7a500c9 100644
+--- a/wrudf/wrudf.c
++++ b/wrudf/wrudf.c
+@@ -93,6 +93,7 @@ void
+ initialise(char *devicename) 
+ {
+     uint32_t			i, len, blkno, lastblk, size;
++    int				inMainSeq;
+     long_ad			*fsdAd;
+     short_ad			*adSpaceMap;
+     struct sparablePartitionMap *spm;
+@@ -158,17 +159,17 @@ initialise(char *devicename)
+     /* read Volume Descriptor Sequence */
+     blkno = extentMainVolDescSeq.extLocation;
+     len = extentMainVolDescSeq.extLength;
++    inMainSeq = 1;
+ 
+     for( i = 0; i < len; blkno++, i += 2048 ) {
+-	int	inMainSeq = 1;
+-
+ 	if( (p = readTaggedBlock(blkno, ABSOLUTE)) == NULL ) {
+ 	    if( !inMainSeq ) 
+ 		fail("Volume Descriptor Sequences read failure\n");
+-	    blkno = extentRsrvVolDescSeq.extLocation;
++	    blkno = extentRsrvVolDescSeq.extLocation - 1;
+ 	    len = extentRsrvVolDescSeq.extLength;
+ 	    inMainSeq = 0;
+-	    i = 0;
++	    i = (uint32_t) -2048;
++	    continue;
+ 	}
+ 	switch( p->descTag.tagIdent ) {
+ 	case TAG_IDENT_PVD:
+
+From b08c75d234d69b2d1cf07dc639d432db767a775f Mon Sep 17 00:00:00 2001
+From: Jiri Kucera <jkucera@redhat.com>
+Date: Sun, 13 Jun 2021 19:37:47 +0200
+Subject: [PATCH] wrudf-cdr.c: Exit on allocation failure
+
+---
+ wrudf/wrudf-cdr.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/wrudf/wrudf-cdr.c b/wrudf/wrudf-cdr.c
+index 538167a..27883da 100644
+--- a/wrudf/wrudf-cdr.c
++++ b/wrudf/wrudf-cdr.c
+@@ -26,7 +26,7 @@ uint32_t newVATentry() {
+ 	sizeVAT += 2048;
+ 	vat = realloc(vat, sizeVAT);
+ 	if( vat == NULL )
+-	    printf("VAT reallocation failed\n");
++	    fail("VAT reallocation failed\n");
+     }
+     /* could go through VAT and try to find unused 0xFFFFFFFF entry rather than alloc new one at the end */
+     vat[newVATindex] = getNWA() - pd->partitionStartingLocation;

udftools.spec

@@ -1,7 +1,7 @@
 Summary: Linux UDF Filesystem userspace utilities
 Name: udftools
 Version: 2.3
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv2+
 URL: http://sourceforge.net/projects/linux-udf/
 Source: https://github.com/pali/udftools/releases/download/%{version}/udftools-%{version}.tar.gz
@@ -43,6 +43,10 @@ rm -rf %{buildroot}%{_bindir}/udffsck
 
 
 %changelog
+* Tue Jun 15 2021 Jiri Kucera <jkucera@redhat.com> - 2.3-2
+- wrudf: Fix parsing Volume Descriptor Sequence
+- wrudf: Exit on allocation failure
+
 * Wed Jun 09 2021 Jiri Kucera <jkucera@redhat.com> - 2.3-1
 - Update to 2.3