[llvm-bugs] Issue 3815 in oss-fuzz: llvm/llvm-dwarfdump-fuzzer: Crash in llvm::object::WasmObjectFile::parseDataSection

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #11 on issue 3815 by ClusterFuzz-External:  
llvm/llvm-dwarfdump-fuzzer: Crash in  
llvm::object::WasmObjectFile::parseDataSection
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3815#c11

ClusterFuzz has detected this issue as fixed in range  
201805180726:201805190724.

Detailed report: https://oss-fuzz.com/testcase?key=4546851673997312

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-dwarfdump-fuzzer
Fuzz target binary: llvm-dwarfdump-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x603000108dd9
Crash State:
   llvm::object::WasmObjectFile::parseDataSection
   llvm::object::WasmObjectFile::parseSection
   llvm::object::WasmObjectFile::WasmObjectFile

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201708280446:201708291805
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201805180726:201805190724

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=4546851673997312

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

If you suspect that the result above is incorrect, try re-doing that job on  
the test case report page.

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