libmpeg2:mpeg2_dec_fuzzer: Crash in ideint_weave_blk

2019-09-08T16:09:21
ID OSSFUZZ-17084
Type ossfuzz
Reporter Google
Modified 2020-04-21T04:52:54

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5753309893230592

Project: libmpeg2 Fuzzing Engine: libFuzzer Fuzz Target: mpeg2_dec_fuzzer Job Type: libfuzzer_asan_libmpeg2 Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x000000021c00 Crash State: ideint_weave_blk ideint_process impeg2d_deinterlace

Sanitizer: address (ASAN)

Recommended Security Severity: High

Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_asan_libmpeg2&revision=201909060418

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5753309893230592

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.

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.