rdkit:mol_data_stream_to_mol_fuzzer: Use-of-uninitialized-value in RDKit::SubstanceGroup::getBondType

2020-06-11T09:45:21
ID OSSFUZZ-23314
Type ossfuzz
Reporter Google
Modified 2020-08-22T20:05:51

Description

Project: https://github.com/rdkit/rdkit.git

Detailed Report: https://oss-fuzz.com/testcase?key=5672153432457216

Project: rdkit Fuzzing Engine: libFuzzer Fuzz Target: mol_data_stream_to_mol_fuzzer Job Type: libfuzzer_msan_rdkit Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: RDKit::SubstanceGroup::getBondType RDKit::SubstanceGroup::addCState RDKit::SGroupParsing::ParseSGroupV2000SBVLine

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_msan_rdkit&revision=202006110332

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5672153432457216

Issue filed automatically.

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This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.