.gitignore

@@ -1 +1 @@
-SOURCES/lz4-1.9.4.tar.gz
+SOURCES/lz4-1.9.3.tar.gz

.lz4.metadata

@@ -1 +1 @@
-1d262fd78a0dbaa409e764979c6a643d0370f8d1 SOURCES/lz4-1.9.4.tar.gz
+5a19554ef404a609123b756ddcbbb677df838f05 SOURCES/lz4-1.9.3.tar.gz

SOURCES/lz4-cve-2021-3520.patch

@@ -0,0 +1,22 @@
+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 5f524d01..c2f504ef 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;

SPECS/lz4.spec

@@ -1,11 +1,11 @@
 %global _vpath_srcdir contrib/meson
 
 Name:           lz4
-Version:        1.9.4
+Version:        1.9.3
-Release:        7%{?dist}
+Release:        5%{?dist}
 Summary:        Extremely fast compression algorithm
 
-License:        GPL-2.0-or-later AND BSD-2-Clause
+License:        GPLv2+ and BSD
 URL:            https://lz4.github.io/lz4/
 Source0:        https://github.com/lz4/lz4/archive/v%{version}/%{name}-%{version}.tar.gz
 
@@ -15,6 +15,7 @@ BuildRequires: make
 BuildRequires:  gcc
 BuildRequires:  meson >= 0.43
 
+Patch1: lz4-cve-2021-3520.patch
 %description
 LZ4 is an extremely fast loss-less compression algorithm, providing compression
 speed at 400 MB/s per core, scalable with multi-core CPU. It also features
@@ -44,11 +45,11 @@ LZ4 is an extremely fast loss-less compression algorithm. This package
 contains static libraries for static linking of applications.
 
 %prep
-%autosetup
+%autosetup -p1
 
 %build
 %meson \
-  -Dprograms=true \
+  -Dbin_programs=true \
   -Ddefault_library=both \
   %{nil}
 %meson_build
@@ -82,35 +83,16 @@ contains static libraries for static linking of applications.
 %{_libdir}/liblz4.a
 
 %changelog
-* Mon Jun 24 2024 Troy Dawson <tdawson@redhat.com> - 1.9.4-7
+* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1.9.3-5
-- Bump release for June 2024 mass rebuild
+- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
+  Related: rhbz#1991688
 
-* Thu Jan 25 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.4-6
+* Thu May 27 2021 Jakub Martisko <jamartis@redhat.com> - 1.9.3-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+- Fix cve-2021-3520
+resolves: cve-2021-3520
 
-* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.4-5
+* Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 1.9.3-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
-
-* Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.4-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
-
-* Thu Apr 13 2023 Lukáš Zaoral <lzaoral@redhat.com> - 1.9.4-3
-- migrate to SPDX license format
-
-* Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.4-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
-
-* Wed Aug 17 2022 Timothée Ravier <tim@siosm.fr> - 1.9.4-1
-- Update to 1.9.4 (fedora#2118499)
-
-* Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.3-5
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
-
-* Thu Jan 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.3-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
-
-* Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.3-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
 
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.3-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild