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!7 Fix Undefined Behavior in hash.h

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From: @guominghong
Reviewed-by: @small_leek
Signed-off-by: @small_leek
This commit is contained in:
openeuler-ci-bot 2021-11-16 06:05:00 +00:00 committed by Gitee
commit 05b69e99b5
2 changed files with 32 additions and 2 deletions
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26
backport-Jemalloc-5.2.1-patch-2-fix-undefined-behavior-in-hash.patch Normal file
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@ -0,0 +1,26 @@
diff -Nur jemalloc-5.2.1/include/jemalloc/internal/hash.h tmp/include/jemalloc/internal/hash.h
--- jemalloc-5.2.1/include/jemalloc/internal/hash.h 2019-08-06 04:02:00.000000000 +0800
+++ tmp/include/jemalloc/internal/hash.h 2021-11-16 10:49:41.199628212 +0800
@@ -182,19 +182,19 @@
case 13: k4 ^= tail[12] << 0;
k4 *= c4; k4 = hash_rotl_32(k4, 18); k4 *= c1; h4 ^= k4;
JEMALLOC_FALLTHROUGH
- case 12: k3 ^= tail[11] << 24; JEMALLOC_FALLTHROUGH
+ case 12: k3 ^= (uint32_t) tail[11] << 24; JEMALLOC_FALLTHROUGH
case 11: k3 ^= tail[10] << 16; JEMALLOC_FALLTHROUGH
case 10: k3 ^= tail[ 9] << 8; JEMALLOC_FALLTHROUGH
case 9: k3 ^= tail[ 8] << 0;
k3 *= c3; k3 = hash_rotl_32(k3, 17); k3 *= c4; h3 ^= k3;
JEMALLOC_FALLTHROUGH
- case 8: k2 ^= tail[ 7] << 24; JEMALLOC_FALLTHROUGH
+ case 8: k2 ^= (uint32_t) tail[ 7] << 24; JEMALLOC_FALLTHROUGH
case 7: k2 ^= tail[ 6] << 16; JEMALLOC_FALLTHROUGH
case 6: k2 ^= tail[ 5] << 8; JEMALLOC_FALLTHROUGH
case 5: k2 ^= tail[ 4] << 0;
k2 *= c2; k2 = hash_rotl_32(k2, 16); k2 *= c3; h2 ^= k2;
JEMALLOC_FALLTHROUGH
- case 4: k1 ^= tail[ 3] << 24; JEMALLOC_FALLTHROUGH
+ case 4: k1 ^= (uint32_t) tail[ 3] << 24; JEMALLOC_FALLTHROUGH
case 3: k1 ^= tail[ 2] << 16; JEMALLOC_FALLTHROUGH
case 2: k1 ^= tail[ 1] << 8; JEMALLOC_FALLTHROUGH
case 1: k1 ^= tail[ 0] << 0;

8
jemalloc.spec
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@ -12,13 +12,14 @@
Name: jemalloc
Version: 5.2.1
Release: 2
Release: 3
Summary: General-purpose scalable concurrent malloc implementation
License: BSD
URL: http://www.canonware.com/jemalloc/
Source0: https://github.com/jemalloc/%{name}/releases/download/%{version}/%{name}-%{version}.tar.bz2
Patch1: backport-Jemalloc-5.2.1-patch-1-fix-large-bin-index-accessed-through-cache-bin-descriptor.patch
Patch2: backport-Jemalloc-5.2.1-patch-2-fix-undefined-behavior-in-hash.patch
BuildRequires: libxslt perl-generators gcc
%description
@ -82,7 +83,10 @@ make check
%{_mandir}/man3/jemalloc.3*
%changelog
* Wed Nov 3 2021 guominghong <guominghong@huawei.com> - 5.2.1-1
* Tue Nov 16 2021 guominghong <guominghong@huawei.com> - 5.2.1-3
- Fix Undefined Behavior in hash.h
* Wed Nov 3 2021 guominghong <guominghong@huawei.com> - 5.2.1-2
- Fix large bin index accessed through cache bin descriptor
* Tue Jul 20 2021 weidong <weidong@uniontech.com> - 5.2.1-1