gdal/gtiff_fuzzer: Crash in _TIFFmemcpy

2018-02-06T01:28:18
ID OSSFUZZ-6035
Type ossfuzz
Reporter Google
Modified 2018-03-09T16:21:36

Description

Project: https://github.com/OSGeo/gdal.git

Detailed report: https://oss-fuzz.com/testcase?key=6278268429795328

Project: gdal Fuzzer: libFuzzer_gdal_gtiff_fuzzer Fuzz target binary: gtiff_fuzzer Job Type: libfuzzer_asan_gdal Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x625000042930 Crash State: _TIFFmemcpy GTIFKeyGet GTIFKeyGetInternal

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_gdal&range=201706011647:201706020157

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6278268429795328

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.

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