X-Git-Url: http://git.squeep.com/?p=portage-squeep;a=blobdiff_plain;f=dev-libs%2Ficu%2Ffiles%2Ficu-65.1-integer-overflow.patch;fp=dev-libs%2Ficu%2Ffiles%2Ficu-65.1-integer-overflow.patch;h=0000000000000000000000000000000000000000;hp=8e76a9f289dd4080c3eb1c01fb3b3093e1d7feab;hb=8c0a66ded726665286c6db14e9f4d9b93d0de000;hpb=e994fc6516bebae4ea461bc14f520611b755fb83 diff --git a/dev-libs/icu/files/icu-65.1-integer-overflow.patch b/dev-libs/icu/files/icu-65.1-integer-overflow.patch deleted file mode 100644 index 8e76a9f..0000000 --- a/dev-libs/icu/files/icu-65.1-integer-overflow.patch +++ /dev/null @@ -1,118 +0,0 @@ -From b7d08bc04a4296982fcef8b6b8a354a9e4e7afca Mon Sep 17 00:00:00 2001 -From: Frank Tang -Date: Sat, 1 Feb 2020 02:39:04 +0000 -Subject: [PATCH] ICU-20958 Prevent SEGV_MAPERR in append - -See #971 ---- - common/unistr.cpp | 6 ++- - test/intltest/ustrtest.cpp | 62 +++++++++++++++++++++++++ - test/intltest/ustrtest.h | 1 + - 3 files changed, 68 insertions(+), 1 deletion(-) - -diff --git a/common/unistr.cpp b/common/unistr.cpp -index 901bb3358ba..077b4d6ef20 100644 ---- a/common/unistr.cpp -+++ b/common/unistr.cpp -@@ -1563,7 +1563,11 @@ UnicodeString::doAppend(const UChar *srcChars, int32_t srcStart, int32_t srcLeng - } - - int32_t oldLength = length(); -- int32_t newLength = oldLength + srcLength; -+ int32_t newLength; -+ if (uprv_add32_overflow(oldLength, srcLength, &newLength)) { -+ setToBogus(); -+ return *this; -+ } - - // Check for append onto ourself - const UChar* oldArray = getArrayStart(); -diff --git a/test/intltest/ustrtest.cpp b/test/intltest/ustrtest.cpp -index b6515ea813c..ad38bdf53a3 100644 ---- a/test/intltest/ustrtest.cpp -+++ b/test/intltest/ustrtest.cpp -@@ -67,6 +67,7 @@ void UnicodeStringTest::runIndexedTest( int32_t index, UBool exec, const char* & - TESTCASE_AUTO(TestWCharPointers); - TESTCASE_AUTO(TestNullPointers); - TESTCASE_AUTO(TestUnicodeStringInsertAppendToSelf); -+ TESTCASE_AUTO(TestLargeAppend); - TESTCASE_AUTO_END; - } - -@@ -2310,3 +2311,64 @@ void UnicodeStringTest::TestUnicodeStringInsertAppendToSelf() { - str.insert(2, sub); - assertEquals("", u"abbcdcde", str); - } -+ -+void UnicodeStringTest::TestLargeAppend() { -+ if(quick) return; -+ -+ IcuTestErrorCode status(*this, "TestLargeAppend"); -+ // Make a large UnicodeString -+ int32_t len = 0xAFFFFFF; -+ UnicodeString str; -+ char16_t *buf = str.getBuffer(len); -+ // A fast way to set buffer to valid Unicode. -+ // 4E4E is a valid unicode character -+ uprv_memset(buf, 0x4e, len * 2); -+ str.releaseBuffer(len); -+ UnicodeString dest; -+ // Append it 16 times -+ // 0xAFFFFFF times 16 is 0xA4FFFFF1, -+ // which is greater than INT32_MAX, which is 0x7FFFFFFF. -+ int64_t total = 0; -+ for (int32_t i = 0; i < 16; i++) { -+ dest.append(str); -+ total += len; -+ if (total <= INT32_MAX) { -+ assertFalse("dest is not bogus", dest.isBogus()); -+ } else { -+ assertTrue("dest should be bogus", dest.isBogus()); -+ } -+ } -+ dest.remove(); -+ total = 0; -+ for (int32_t i = 0; i < 16; i++) { -+ dest.append(str); -+ total += len; -+ if (total + len <= INT32_MAX) { -+ assertFalse("dest is not bogus", dest.isBogus()); -+ } else if (total <= INT32_MAX) { -+ // Check that a string of exactly the maximum size works -+ UnicodeString str2; -+ int32_t remain = INT32_MAX - total; -+ char16_t *buf2 = str2.getBuffer(remain); -+ if (buf2 == nullptr) { -+ // if somehow memory allocation fail, return the test -+ return; -+ } -+ uprv_memset(buf2, 0x4e, remain * 2); -+ str2.releaseBuffer(remain); -+ dest.append(str2); -+ total += remain; -+ assertEquals("When a string of exactly the maximum size works", (int64_t)INT32_MAX, total); -+ assertEquals("When a string of exactly the maximum size works", INT32_MAX, dest.length()); -+ assertFalse("dest is not bogus", dest.isBogus()); -+ -+ // Check that a string size+1 goes bogus -+ str2.truncate(1); -+ dest.append(str2); -+ total++; -+ assertTrue("dest should be bogus", dest.isBogus()); -+ } else { -+ assertTrue("dest should be bogus", dest.isBogus()); -+ } -+ } -+} -diff --git a/test/intltest/ustrtest.h b/test/intltest/ustrtest.h -index 218befdcc68..4a356a92c7a 100644 ---- a/test/intltest/ustrtest.h -+++ b/test/intltest/ustrtest.h -@@ -97,6 +97,7 @@ class UnicodeStringTest: public IntlTest { - void TestWCharPointers(); - void TestNullPointers(); - void TestUnicodeStringInsertAppendToSelf(); -+ void TestLargeAppend(); - }; - - #endif