Bug: assimp:assimp_postprocess_fuzzer: Use-of-uninitialized-value in Assimp::OptimizeGraphProcess::FindInstancedMeshes

Detailed Report: https://oss-fuzz.com/testcase?key=5426893772619776

Project: assimp Fuzzing Engine: libFuzzer Fuzz Target: assimp_postprocess_fuzzer Job Type: libfuzzer_msan_assimp Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: Assimp::OptimizeGraphProcess::FindInstancedMeshes Assimp::OptimizeGraphProcess::FindInstancedMeshes Assimp::OptimizeGraphProcess::FindInstancedMeshes

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_assimp&range=202607020607:202607030651

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5426893772619776

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.