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workaround for crc/len check failure, rhbz#877567

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This commit is contained in:
Jaroslav Reznik 2012-11-19 20:02:40 +01:00
parent d6775556a1
commit c2fe6f62d0
2 changed files with 42 additions and 1 deletions
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35
libxml2-2.9.0-do-not-check-crc.patch Normal file
View File

@ -0,0 +1,35 @@
diff -up libxml2-2.9.0/xzlib.c.do-not-check-crc libxml2-2.9.0/xzlib.c
--- libxml2-2.9.0/xzlib.c.do-not-check-crc 2012-09-11 05:52:46.000000000 +0200
+++ libxml2-2.9.0/xzlib.c 2012-11-19 19:28:42.431700534 +0100
@@ -552,17 +552,20 @@ xz_decomp(xz_statep state)
#ifdef HAVE_ZLIB_H
if (state->how == GZIP) {
if (gz_next4(state, &crc) == -1 || gz_next4(state, &len) == -1) {
- xz_error(state, LZMA_DATA_ERROR, "unexpected end of file");
- return -1;
- }
- if (crc != state->zstrm.adler) {
- xz_error(state, LZMA_DATA_ERROR, "incorrect data check");
- return -1;
- }
- if (len != (state->zstrm.total_out & 0xffffffffL)) {
- xz_error(state, LZMA_DATA_ERROR, "incorrect length check");
- return -1;
- }
+ /*
+ xz_error(state, LZMA_DATA_ERROR, "unexpected end of file");
+ return -1;
+ */
+ } else {
+ if (crc != state->zstrm.adler) {
+ xz_error(state, LZMA_DATA_ERROR, "incorrect data check");
+ return -1;
+ }
+ if (len != (state->zstrm.total_out & 0xffffffffL)) {
+ xz_error(state, LZMA_DATA_ERROR, "incorrect length check");
+ return -1;
+ }
+ }
state->strm.avail_in = 0;
state->strm.next_in = NULL;
state->strm.avail_out = 0;

8
libxml2.spec
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@ -1,7 +1,7 @@
Summary: Library providing XML and HTML support
Name: libxml2
Version: 2.9.0
Release: 2%{?dist}%{?extra_release}
Release: 3%{?dist}%{?extra_release}
License: MIT
Group: Development/Libraries
Source: ftp://xmlsoft.org/libxml2/libxml2-%{version}.tar.gz
@ -9,6 +9,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-root
BuildRequires: python python-devel zlib-devel pkgconfig xz-devel
URL: http://xmlsoft.org/
Patch0: libxml2-multilib.patch
Patch1: libxml2-2.9.0-do-not-check-crc.patch
%description
This library allows to manipulate XML files. It includes support
@ -68,6 +69,8 @@ at parse time or later once the document has been modified.
%prep
%setup -q
%patch0 -p1
# workaround for #877567 - Very weird bug gzip decompression bug in "recent" libxml2 versions
%patch1 -p1 -b .do-not-check-crc
%build
%configure
@ -150,6 +153,9 @@ rm -fr %{buildroot}
%doc doc/python.html
%changelog
* Mon Nov 19 2012 Jaroslav Reznik <jreznik@redhat.com> - 2.9.0-3
- workaround for crc/len check failure, rhbz#877567
* Thu Oct 11 2012 Daniel Veillard <veillard@redhat.com> - 2.9.0-2
- remaining cleanups from merge bug rhbz#226079
- do not put the docs in the main package, only in -devel rhbz#864731