libreoffice/pptfuzzer: Crash in __dynamic_cast

2018-02-07T19:45:58
ID OSSFUZZ-6095
Type ossfuzz
Reporter Google
Modified 2019-03-04T16:56:33

Description

Project: git://anongit.freedesktop.org/libreoffice/core

Detailed report: https://oss-fuzz.com/testcase?key=6566651324530688

Project: libreoffice Fuzzer: libFuzzer_libreoffice_pptfuzzer Fuzz target binary: pptfuzzer Job Type: libfuzzer_ubsan_libreoffice Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x000000004fa1 Crash State: __dynamic_cast __ubsan::checkDynamicType HandleDynamicTypeCacheMiss

Sanitizer: undefined (UBSAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_libreoffice&range=201802070146:201802071109

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6566651324530688

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

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.

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.

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