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

Type ossfuzz
Reporter Google
Modified 2020-08-22T20:05:51


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.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally. When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.

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.