gdal/gtiff_mmap: Crash in _TIFFmemcpy

2019-05-23T20:46:55
ID OSSFUZZ-14916
Type ossfuzz
Reporter Google
Modified 2019-06-27T15:26:52

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=5716916687077376

Project: gdal Fuzzer: afl_gdal_gtiff_mmap Fuzz target binary: gtiff_mmap Job Type: afl_asan_gdal Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x621000033e07 Crash State: _TIFFmemcpy DumpModeDecode TIFFReadEncodedTile

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_gdal&range=201905210203:201905220201

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5716916687077376

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

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