commit
558ce30918
@ -1,114 +0,0 @@
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Backported of:
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From b7d08bc04a4296982fcef8b6b8a354a9e4e7afca Mon Sep 17 00:00:00 2001
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From: Frank Tang <ftang@chromium.org>
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Date: Sat, 1 Feb 2020 02:39:04 +0000
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Subject: [PATCH] ICU-20958 Prevent SEGV_MAPERR in append
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See #971
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diff --git a/source/common/unistr.cpp b/source/common/unistr.cpp
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index 1bfb71a..e8a7f12 100644
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--- a/source/common/unistr.cpp
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+++ b/source/common/unistr.cpp
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@@ -1546,7 +1557,11 @@ UnicodeString::doAppend(const UChar *srcChars, int32_t srcStart, int32_t srcLeng
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}
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int32_t oldLength = length();
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- int32_t newLength = oldLength + srcLength;
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+ int32_t newLength;
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+ if (uprv_add32_overflow(oldLength, srcLength, &newLength)) {
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+ setToBogus();
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+ return *this;
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+ }
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// optimize append() onto a large-enough, owned string
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if((newLength <= getCapacity() && isBufferWritable()) ||
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cloneArrayIfNeeded(newLength, getGrowCapacity(newLength))) {
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diff --git a/source/test/intltest/ustrtest.cpp b/source/test/intltest/ustrtest.cpp
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index b361e20..9b613d3 100644
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--- a/source/test/intltest/ustrtest.cpp
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+++ b/source/test/intltest/ustrtest.cpp
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@@ -64,6 +64,7 @@ void UnicodeStringTest::runIndexedTest( int32_t index, UBool exec, const char* &
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TESTCASE_AUTO(TestUInt16Pointers);
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TESTCASE_AUTO(TestWCharPointers);
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TESTCASE_AUTO(TestNullPointers);
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+ TESTCASE_AUTO(TestLargeAppend);
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TESTCASE_AUTO_END;
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}
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@@ -2253,3 +2254,64 @@ UnicodeStringTest::TestNullPointers() {
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UnicodeString(u"def").extract(nullptr, 0, errorCode);
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assertEquals("buffer overflow extracting to nullptr", U_BUFFER_OVERFLOW_ERROR, errorCode);
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}
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+
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+void UnicodeStringTest::TestLargeAppend() {
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+ if(quick) return;
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+
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+ IcuTestErrorCode status(*this, "TestLargeAppend");
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+ // Make a large UnicodeString
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+ int32_t len = 0xAFFFFFF;
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+ UnicodeString str;
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+ char16_t *buf = str.getBuffer(len);
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+ // A fast way to set buffer to valid Unicode.
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+ // 4E4E is a valid unicode character
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+ uprv_memset(buf, 0x4e, len * 2);
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+ str.releaseBuffer(len);
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+ UnicodeString dest;
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+ // Append it 16 times
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+ // 0xAFFFFFF times 16 is 0xA4FFFFF1,
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+ // which is greater than INT32_MAX, which is 0x7FFFFFFF.
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+ int64_t total = 0;
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+ for (int32_t i = 0; i < 16; i++) {
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+ dest.append(str);
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+ total += len;
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+ if (total <= INT32_MAX) {
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+ assertFalse("dest is not bogus", dest.isBogus());
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+ } else {
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+ assertTrue("dest should be bogus", dest.isBogus());
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+ }
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+ }
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+ dest.remove();
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+ total = 0;
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+ for (int32_t i = 0; i < 16; i++) {
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+ dest.append(str);
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+ total += len;
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+ if (total + len <= INT32_MAX) {
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+ assertFalse("dest is not bogus", dest.isBogus());
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+ } else if (total <= INT32_MAX) {
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+ // Check that a string of exactly the maximum size works
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+ UnicodeString str2;
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+ int32_t remain = INT32_MAX - total;
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+ char16_t *buf2 = str2.getBuffer(remain);
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+ if (buf2 == nullptr) {
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+ // if somehow memory allocation fail, return the test
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+ return;
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+ }
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+ uprv_memset(buf2, 0x4e, remain * 2);
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+ str2.releaseBuffer(remain);
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+ dest.append(str2);
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+ total += remain;
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+ assertEquals("When a string of exactly the maximum size works", (int64_t)INT32_MAX, total);
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+ assertEquals("When a string of exactly the maximum size works", INT32_MAX, dest.length());
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+ assertFalse("dest is not bogus", dest.isBogus());
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+
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+ // Check that a string size+1 goes bogus
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+ str2.truncate(1);
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+ dest.append(str2);
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+ total++;
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+ assertTrue("dest should be bogus", dest.isBogus());
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+ } else {
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+ assertTrue("dest should be bogus", dest.isBogus());
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+ }
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+ }
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+}
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diff --git a/source/test/intltest/ustrtest.h b/source/test/intltest/ustrtest.h
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index 4ba348c..d2d5ee1 100644
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--- a/source/test/intltest/ustrtest.h
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+++ b/source/test/intltest/ustrtest.h
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@@ -96,6 +96,7 @@ public:
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void TestUInt16Pointers();
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void TestWCharPointers();
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void TestNullPointers();
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+ void TestLargeAppend();
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};
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#endif
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@ -1,26 +0,0 @@
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From 35a6cf2313357f9b58e60a000ea3f1d22e21dd65 Mon Sep 17 00:00:00 2001
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From: songnannan2 <songnannan2@huawei.com>
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Date: Tue, 18 Feb 2020 23:42:45 +0800
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Subject: [PATCH] b
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---
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icu/source/common/uloc_tag.cpp | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/icu/source/common/uloc_tag.cpp b/icu/source/common/uloc_tag.cpp
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index 87b9f63..6948e14 100644
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--- a/source/common/uloc_tag.cpp
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+++ b/source/common/uloc_tag.cpp
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@@ -1242,7 +1242,8 @@ _appendLDMLExtensionAsKeywords(const char* ldmlext, ExtensionListEntry** appendT
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attrBufIdx += (len + 1);
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} else {
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*status = U_ILLEGAL_ARGUMENT_ERROR;
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- goto cleanup;
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+ uprv_free(attr);
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+ goto cleanup;
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}
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if (!_addAttributeToList(&attrFirst, attr)) {
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--
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2.19.1
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17
icu.spec
17
icu.spec
@ -1,21 +1,18 @@
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Name: icu
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Version: 62.1
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Release: 5
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Version: 67.1
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Release: 1
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Summary: International Components for Unicode
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License: MIT and UCD and Public Domain
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URL: http://site.icu-project.org/
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Source0: https://github.com/unicode-org/icu/releases/download/release-63-2/icu4c-62_1-src.tgz
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Source0: https://github.com/unicode-org/icu/releases/download/release-67-1/icu4c-67_1-src.tgz
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Source1: icu-config.sh
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BuildRequires: gcc gcc-c++ doxygen autoconf python2 icu libicu-devel
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BuildRequires: gcc gcc-c++ doxygen autoconf python2 libicu
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Requires: lib%{name} = %{version}-%{release}
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Patch1: gennorm2-man.patch
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Patch2: icuinfo-man.patch
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Patch6000: icu-fix-memory-leak.patch
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Patch6001: CVE-2020-10531.patch
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%description
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Tools and utilities for developing with icu.
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@ -27,7 +24,7 @@ libs package for icu
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e
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%package -n libicu-devel
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Summary: header files for libicu
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Requires: lib%{name} = %{version}-%{release} pkgconfig
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Requires: libicu = %{version}-%{release} pkgconfig
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%description -n libicu-devel
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header files for libicu
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@ -78,6 +75,7 @@ chmod +x $RPM_BUILD_ROOT%{_libdir}/*.so.*
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)
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install -p -m755 -D %{SOURCE1} $RPM_BUILD_ROOT%{_bindir}/icu-config
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cp -a %{_libdir}/libicu*.so.62* %{buildroot}%{_libdir}
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%check
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if grep -q @VERSION@ source/tools/*/*.8 source/tools/*/*.1 source/config/*.1; then
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@ -129,6 +127,9 @@ LD_LIBRARY_PATH=lib:stubdata:tools/ctestfw:$LD_LIBRARY_PATH bin/uconv -l
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%changelog
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* Thu Jul 16 2020 hanhui <hanhui15@huawei.com> - 67.1
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- update to icu4c-67.1
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* Fri Mar 20 2020 gulining <gulining1@huawei.com> - 62.1-5
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- fix CVE-2020-10531
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Block a user