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llvm-mirror/unittests/Support
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Pavel Labath ae3c34854e [llvm/Support] Don't crash on empty nullptr ranges when decoding LEBs 
Summary:
If the decoding functions are called with both start and end pointers
being nullptr, the function will crash due to a nullptr dereference.
This happens because the function does not recognise nullptr as a valid
end pointer.

Obviously, nobody is going to pass null pointers here deliberately, but
it can happen indirectly (as it did for me), when calling these
functions on an ArrayRef, as a default-initialized empty ArrayRef will
have both begin() and end() pointers equal to nullptr.

The fix is to simply remove the nullptr check. Passing nullptr for "end"
with a valid "begin" pointer will still work, as one cannot reach
nullptr by incrementing a valid pointer without triggerring UB.

Reviewers: dblaikie

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77304
2020-04-06 14:14:11 +02:00
..
DynamicLibrary
Make llvm::StringRef to std::string conversions explicit.
2020-01-28 23:25:25 +01:00
AlignmentTest.cpp
[Alignment] Add alignTo with skew parameter
2020-03-17 15:54:47 +01:00
AlignOfTest.cpp
[NFC] Remove LLVM_ALIGNAS
2019-07-31 03:22:08 +00:00
AllocatorTest.cpp
Reland "[llvm] Add a way to speed up the speed in which BumpPtrAllocator increases slab sizes""
2020-02-03 12:06:15 +01:00
AnnotationsTest.cpp
[Support] Try to unbreak windows buildbot
2019-04-25 11:57:40 +00:00
ARMAttributeParser.cpp
[RISCV] ELF attribute section for RISC-V.
2020-03-31 16:16:19 +08:00
ArrayRecyclerTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Base64Test.cpp
Syndicate, test and fix base64 implementation
2020-03-03 12:17:53 +01:00
BinaryStreamTest.cpp
[Support] Split MallocAllocator out of Allocator.h
2020-01-24 17:29:32 -08:00
BlockFrequencyTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
BranchProbabilityTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CachePruningTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Casting.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
CheckedArithmeticTest.cpp
Add checkMulAdd helper function to CheckedArithmetic
2018-06-13 18:32:02 +00:00
Chrono.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CMakeLists.txt
[RISCV] ELF attribute section for RISC-V.
2020-03-31 16:16:19 +08:00
CommandLineTest.cpp
Remove unused Endian.h includes, NFC
2020-03-11 15:45:34 -07:00
CompressionTest.cpp
Revert abb00753 "build: reduce CMake handling for zlib" (PR44780)
2020-03-03 11:03:09 +01:00
ConvertUTFTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CrashRecoveryTest.cpp
[Support] Optionally call signal handlers when a function wrapped by the the CrashRecoveryContext fails
2020-01-11 15:27:07 -05:00
CRCTest.cpp
Make llvm::crc32() work also for input sizes larger than 32 bits.
2020-02-05 21:32:11 +01:00
DataExtractorTest.cpp
[llvm/Support] Make more DataExtractor methods error-aware
2020-04-06 14:14:11 +02:00
DebugCounterTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
DebugTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
DJBTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ELFAttributeParserTest.cpp
[RISCV] Support RISC-V ELF attributes sections in llvm-readobj.
2020-04-01 21:50:11 +08:00
EndianStreamTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
EndianTest.cpp
[Support/Endian] Add support for endian-specific enums
2019-03-11 09:06:18 +00:00
ErrnoTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ErrorOrTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ErrorTest.cpp
[Error/unittests] Add a FailedWithMessage gtest matcher
2020-02-21 15:29:48 +01:00
FileCheckTest.cpp
Make llvm::StringRef to std::string conversions explicit.
2020-01-28 23:25:25 +01:00
FileCollectorTest.cpp
Re-land "[FileCollector] Add a method to add a whole directory and it contents."
2020-03-30 13:19:18 -07:00
FileOutputBufferTest.cpp
[LLD][ELF] Support --[no-]mmap-output-file with F_no_mmap
2019-10-29 15:49:08 -07:00
FileUtilitiesTest.cpp
[llvm] Replace SmallStr.str().str() with std::string conversion operator.
2020-01-29 21:16:46 -08:00
formatted_raw_ostream_test.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
FormatVariadicTest.cpp
Use C++14-style return type deduction in LLVM.
2020-02-11 07:38:42 -08:00
GlobPatternTest.cpp
Reapply r375051: [support] GlobPattern: add support for \ and [!...], and allow ] in more places
2019-10-17 18:09:05 +00:00
Host.cpp
[AArch64] Add support for Fujitsu A64FX
2020-03-09 19:15:09 +09:00
ItaniumManglingCanonicalizerTest.cpp
llvm-cxxmap: fix support for remapping non-mangled names.
2019-12-18 10:47:02 -08:00
JSONTest.cpp
Make llvm::StringRef to std::string conversions explicit.
2020-01-28 23:25:25 +01:00
KnownBitsTest.cpp
[NFC][KnownBits] Add getMinValue() / getMaxValue() methods
2019-12-03 20:04:51 +03:00
LEB128Test.cpp
[llvm/Support] Don't crash on empty nullptr ranges when decoding LEBs
2020-04-06 14:14:11 +02:00
LineIteratorTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LockFileManagerTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ManagedStatic.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MatchersTest.cpp
[Support] Add a GTest matcher for Optional<T>
2019-04-25 09:03:32 +00:00
MathExtrasTest.cpp
[Support] Remove byte swapping from MathExtras.h
2020-02-27 17:23:48 -08:00
MD5Test.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MemoryBufferTest.cpp
[Support] Improve readNativeFile(Slice) interface
2019-08-22 08:13:30 +00:00
MemoryTest.cpp
[Support] Renamed member 'Size' to 'AllocatedSize' in MemoryBlock and OwningMemoryBlock.
2019-05-20 20:53:05 +00:00
NativeFormatTests.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
OptimalLayoutTest.cpp
Add an algorithm for performing "optimal" layout of a struct.
2020-03-23 23:24:48 -04:00
ParallelTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Path.cpp
[Support/Path] sys::path::replace_path_prefix fix and simplifications
2020-04-03 13:50:23 -04:00
ProcessTest.cpp
[Support][NFC] Add an explicit unit test for Process::getPageSize()
2020-01-09 18:14:05 +00:00
ProgramTest.cpp
Revert "raw_ostream: add operator<< overload for std::error_code"
2019-08-14 13:59:04 +00:00
raw_ostream_test.cpp
Make llvm::StringRef to std::string conversions explicit.
2020-01-28 23:25:25 +01:00
raw_pwrite_stream_test.cpp
Revert "raw_ostream: add operator<< overload for std::error_code"
2019-08-14 13:59:04 +00:00
raw_sha1_ostream_test.cpp
[Support] Optimize SHA1 implementation
2019-11-11 22:14:28 -08:00
RegexTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ReplaceFileTest.cpp
Revert "raw_ostream: add operator<< overload for std::error_code"
2019-08-14 13:59:04 +00:00
ReverseIterationTest.cpp
[NFC] Fixes -Wrange-loop-analysis warnings
2020-01-07 00:51:41 +01:00
RISCVAttributeParserTest.cpp
[RISCV] ELF attribute section for RISC-V.
2020-03-31 16:16:19 +08:00
ScaledNumberTest.cpp
Replace llvm::isPodLike<...> by llvm::is_trivially_copyable<...>
2019-01-20 21:19:56 +00:00
SourceMgrTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SpecialCaseListTest.cpp
Make llvm::StringRef to std::string conversions explicit.
2020-01-28 23:25:25 +01:00
StringPool.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SwapByteOrderTest.cpp
[Support] Remove byte swapping from MathExtras.h
2020-02-27 17:23:48 -08:00
SymbolRemappingReaderTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TargetParserTest.cpp
[PATCH] [ARM] ARMv8.6-a command-line + BFloat16 Asm Support
2020-03-26 09:17:20 +00:00
TarWriterTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TaskQueueTest.cpp
[Support] On Windows, ensure hardware_concurrency() extends to all CPU sockets and all NUMA groups
2020-02-14 10:24:22 -05:00
Threading.cpp
[Support] On Windows, ensure hardware_concurrency() extends to all CPU sockets and all NUMA groups
2020-02-14 10:24:22 -05:00
ThreadLocalTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ThreadPool.cpp
[Support] In tests, fix warning: variable ‘Threads’ set but not used
2020-02-15 09:05:01 -05:00
TimerTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TrailingObjectsTest.cpp
[Alignment][NFC] Move and type functions from MathExtras to Alignment
2019-10-14 13:14:34 +00:00
TrigramIndexTest.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
TypeNameTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TypeTraitsTest.cpp
Fix compilation warnings when compiling with GCC 7.3
2019-05-06 13:41:54 +00:00
UnicodeTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
VersionTupleTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
VirtualFileSystemTest.cpp
[VirtualFileSystem] Support directory entries in the YAMLVFSWriter
2020-03-27 15:16:52 -07:00
xxhashTest.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
YAMLIOTest.cpp
Avoid including FileSystem.h from MemoryBuffer.h
2020-02-29 12:30:23 -08:00
YAMLParserTest.cpp
Fix null dereference in yaml::Document::skip
2019-11-11 20:48:28 -08:00