libmpeg2:mpeg2_dec_fuzzer: Crash in ideint_weave_blk

2019-08-22T08:27:38
ID OSSFUZZ-16606
Type ossfuzz
Reporter Google
Modified 2019-10-06T15:39:07

Description

Project: https://android.googlesource.com/platform/external/libmpeg2

Detailed Report: https://oss-fuzz.com/testcase?key=5663742011899904

Project: libmpeg2 Fuzzing Engine: afl Fuzz Target: mpeg2_dec_fuzzer Job Type: afl_asan_libmpeg2 Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x000000124800 Crash State: ideint_weave_blk ideint_process impeg2d_deinterlace

Sanitizer: address (ASAN)

Recommended Security Severity: High

Crash Revision: https://oss-fuzz.com/revisions?job=afl_asan_libmpeg2&revision=201908212324

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5663742011899904

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.