!6 Fix invalid read outsize allocated memory

From: @ultra_planet
Reviewed-by: @licihua
Signed-off-by: @licihua

Fix-invalid-read-outsize-allocated-memory.patch

@@ -0,0 +1,23 @@
+From 9429e20de3885c0e0d9beac23f703fce58461021 Mon Sep 17 00:00:00 2001
+From: Szabolcs Berecz <szabolcs.berecz@gmail.com>
+Date: Sun, 25 Oct 2015 22:43:25 +0100
+Subject: [PATCH] Fix invalid read outsize allocated memory
+
+The invalid read happens when compressing a 1 byte file.
+---
+ src/zopfli/hash.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/src/zopfli/hash.c b/src/zopfli/hash.c
+index a3b294fa..66528aa5 100644
+--- a/src/zopfli/hash.c
++++ b/src/zopfli/hash.c
+@@ -129,7 +129,6 @@ void ZopfliUpdateHash(const unsigned char* array, size_t pos, size_t end,
+ 
+ void ZopfliWarmupHash(const unsigned char* array, size_t pos, size_t end,
+                 ZopfliHash* h) {
+-  (void)end;
+   UpdateHashValue(h, array[pos + 0]);
+-  UpdateHashValue(h, array[pos + 1]);
++  if (pos + 1 < end) UpdateHashValue(h, array[pos + 1]);
+ }

zopfli.spec

@@ -1,18 +1,20 @@
 Name:           zopfli
 Version:        1.0.1
-Release:        8
+Release:        9
 Summary:        Compression library programmed in C
 License:        ASL 2.0
 URL:            https://github.com/google/zopfli
 Source0:        https://github.com/google/zopfli/archive/zopfli-%{version}.tar.gz
 BuildRequires:  gcc-c++
 
+Patch0001:      Fix-invalid-read-outsize-allocated-memory.patch
+
 %description
 Zopfli Compression Algorithm is a compression library programmed in C to perform
 very good, but slow, deflate or zlib compression.
 
 %prep
-%autosetup -n zopfli-zopfli-%{version}
+%autosetup -n zopfli-zopfli-%{version} -p1
 
 %build
 cflags=`sed -n '/^CFLAGS/=' Makefile`
@@ -33,5 +35,8 @@ chmod 0755 %{buildroot}%{_bindir}/zopfli*
 
 
 %changelog
+* Thu Nov 26 2020 lingsheng <lingsheng@huawei.com> - 1.0.1-9
+- Fix invalid read outsize allocated memory
+
 * Mon Jan 6 2020 zhujunhao <zhujunhao5@huawei.com> - 1.0.1-8
 - Package init

zopfli.yaml

@@ -1,4 +1,4 @@
 version_control: github
 src_repo:  google/zopfli
-tag_prefix: zopfli-
-seperator: .
+tag_prefix: "^zopfli-"
+separator: "."