daehee jang created ARROW-7672:
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Summary: NULL pointer dereference bug
Key: ARROW-7672
URL: https://issues.apache.org/jira/browse/ARROW-7672
Project: Apache Arrow
Issue Type: Bug
Environment: Ubuntu 16.04 x86_64
Reporter: daehee jang
Attachments: 219d5b796fff328f1bc096e3421f33f7d2091204
I was fuzzing arrow and libfuzzer (clang-11) found a bug in
`arrow-ipc-file-fuzz` (from ossfuzz)
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*==116241==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc
0x000000ed5de9 bp 0x7fff640648b0 sp 0x7fff64064680 T0)*
==116241==The signal is caused by a READ memory access.
==116241==Hint: address points to the zero page.
#0 0xed5de9 in ReadScalar<int>
/src/arrow/cpp/thirdparty/flatbuffers/include/flatbuffers/base.h:356:23
#1 0xed5de9 in GetVTable
/src/arrow/cpp/thirdparty/flatbuffers/include/flatbuffers/flatbuffers.h:2252:20
#2 0xed5de9 in GetOptionalFieldOffset
/src/arrow/cpp/thirdparty/flatbuffers/include/flatbuffers/flatbuffers.h:2259:19
#3 0xed5de9 in GetPointer<const
flatbuffers::Vector<flatbuffers::Offset<org::apache::arrow::flatbuf::Field> >
*>
/src/arrow/cpp/thirdparty/flatbuffers/include/flatbuffers/flatbuffers.h:2273:25
#4 0xed5de9 in GetPointer<const
flatbuffers::Vector<flatbuffers::Offset<org::apache::arrow::flatbuf::Field> >
*>
/src/arrow/cpp/thirdparty/flatbuffers/include/flatbuffers/flatbuffers.h:2279:39
#5 0xed5de9 in fields
/src/arrow/cpp/src/generated/Schema_generated.h:1880:12
#6 0xed5de9 in arrow::ipc::internal::GetSchema(void const*,
arrow::ipc::DictionaryMemo*, std::__1::shared_ptr<arrow::Schema>*)
/src/arrow/cpp/src/arrow/ipc/metadata_internal.cc:1186:15
#7 0x643b01 in ReadSchema /src/arrow/cpp/src/arrow/ipc/reader.cc:729:12
#8 0x643b01 in
arrow::ipc::RecordBatchFileReader::RecordBatchFileReaderImpl::Open(arrow::io::RandomAccessFile*,
long) /src/arrow/cpp/src/arrow/ipc/reader.cc:741:12
#9 0x6435ce in
arrow::ipc::RecordBatchFileReader::Open(arrow::io::RandomAccessFile*, long,
std::__1::shared_ptr<arrow::ipc::RecordBatchFileReader>*)
/src/arrow/cpp/src/arrow/ipc/reader.cc:781:28
#10 0x64182c in
arrow::ipc::RecordBatchFileReader::Open(arrow::io::RandomAccessFile*,
std::__1::shared_ptr<arrow::ipc::RecordBatchFileReader>*)
/src/arrow/cpp/src/arrow/ipc/reader.cc:775:10
#11 0x67f3a5 in arrow::ipc::internal::FuzzIpcFile(unsigned char const*,
long) /src/arrow/cpp/src/arrow/ipc/reader.cc:1196:3
#12 0x633a8d in LLVMFuzzerTestOneInput
/src/arrow/cpp/src/arrow/ipc/file_fuzz.cc:25:17
#13 0x53ba84 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*,
unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:563:15
#14 0x526ff2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned
long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:293:6
#15 0x52c966 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char
const*, unsigned long))
/src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:779:9
#16 0x555e72 in main
/src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:19:10
#17 0x7f98aac6ab96 in __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#18 0x501828 in _start
(/home/daehee/fuzzcoin/master/aiohttp-libfuzzer/oss-fuzz/build/out/arrow/arrow-ipc-file-fuzz+0x501828)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV
/src/arrow/cpp/thirdparty/flatbuffers/include/flatbuffers/base.h:356:23 in
ReadScalar<int>
==116241==ABORTING
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