wasmtime:differential: Crash in _fini

2020-02-06T04:35:34
ID OSSFUZZ-20547
Type ossfuzz
Reporter Google
Modified 2020-03-08T18:58:50

Description

Project: https://github.com/bytecodealliance/wasmtime.git

Detailed Report: https://oss-fuzz.com/testcase?key=5750187404558336

Project: wasmtime Fuzzing Engine: libFuzzer Fuzz Target: differential Job Type: libfuzzer_asan_wasmtime Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x7f2fcf21df09 Crash State: _fini

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_wasmtime&range=202002010316:202002020316

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5750187404558336

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.