backport-CVE-2021-3520.patch

@@ -1,22 +0,0 @@
-From 8301a21773ef61656225e264f4f06ae14462bca7 Mon Sep 17 00:00:00 2001
-From: Jasper Lievisse Adriaanse <j@jasper.la>
-Date: Fri, 26 Feb 2021 15:21:20 +0100
-Subject: [PATCH] Fix potential memory corruption with negative memmove() size
-
----
- lib/lz4.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/lib/lz4.c b/lib/lz4.c
-index 5f524d01d..c2f504ef3 100644
---- a/lib/lz4.c
-+++ b/lib/lz4.c
-@@ -1749,7 +1749,7 @@ LZ4_decompress_generic(
-                  const size_t dictSize         /* note : = 0 if noDict */
-                  )
- {
--    if (src == NULL) { return -1; }
-+    if ((src == NULL) || (outputSize < 0)) { return -1; }
- 
-     {   const BYTE* ip = (const BYTE*) src;
-         const BYTE* const iend = ip + srcSize;

lz4.spec

@@ -1,13 +1,12 @@
 Name:           lz4
-Version:        1.9.3
-Release:        3
+Version:        1.9.2
+Release:        2
 Summary:        Extremely fast compression algorithm
 
 License:        GPLv2+ and BSD
 URL:            https://lz4.github.io/lz4/
 Source0:        https://github.com/lz4/lz4/archive/v%{version}/%{name}-%{version}.tar.gz
-Patch6000:      Fix-Data-Corruption-Bug-when-Streaming-with-an-Attac.patch
-Patch6001:      backport-CVE-2021-3520.patch
+Patch6000:		Fix-Data-Corruption-Bug-when-Streaming-with-an-Attac.patch
 
 Provides:       %{name}-libs = %{version}-%{release}
 Obsoletes:      %{name} < 1.7.5-3
@@ -38,15 +37,12 @@ applications using liblz4 library.
 cp %{_builddir}/%{name}-%{version}/lib/LICENSE %{_builddir}/%{name}-%{version}/LICENSE-lib
 
 %build
-export MOREFLAGS="-g -D_FORTIFY_SOURCE=2 -O2"
+export MOREFLAGS="-g"
 %make_build
 
 %install
 %make_install LIBDIR=%{_libdir} PREFIX=%{_prefix}
 
-%check
-make check
-
 %post -p /sbin/ldconfig
 
 %postun -p /sbin/ldconfig
@@ -72,21 +68,6 @@ make check
 %{_mandir}/man1/unlz4.1*
 
 %changelog
-* Tue Nov 14 2023 yanglongkang <yanglongkang@h-partners.com> - 1.9.3-3
-- revert version to 1.9.3
-
-* Tue Oct 24 2023 yanglongkang <yanglongkang@h-partners.com> - 1.9.4-1
-- upgrade to 1.9.4-1
-
-* Mon Jun 20 2022 renhongxun <renhongxun@h-partners.com> - 1.9.3-3
-- add _FORTIFY_SOURCE add enable check
-
-* Sat Jun 19 2021 shixuantong <shixuantong@huawei.com> - 1.9.3-2 
-- fix CVE-2021-3520
-
-* Thu Jan 28 2021 liudabo <liudabo1@huawei.com> - 1.9.3-1
-- upgrade version to 1.9.3
-
 * Mon Dec 23 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.9.2-2
 - fix abort in oss-fuzz round_trip_stream_fuzzer.c