llvm: Heap-buffer-overflow in llvm::StringMapImpl::FindKey

2017-10-12T03:30:07
ID OSSFUZZ-3616
Type ossfuzz
Reporter Google
Modified 2019-02-14T22:41:03

Description

Project: https://github.com/llvm/llvm-project.git

Detailed report: https://oss-fuzz.com/testcase?key=5653990445416448

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

Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x6120000008ea Crash State: llvm::StringMapImpl::FindKey llvm::object::WasmObjectFile::parseLinkingSection llvm::object::WasmObjectFile::parseCustomSection

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201709150442:201710101928

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5653990445416448

Issue filed automatically.

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