imagemagick/encoder_tiff64_fuzzer: Use-of-uninitialized-value in ScaleAnyToQuantum

2018-03-31T14:04:38
ID OSSFUZZ-7237
Type ossfuzz
Reporter Google
Modified 2018-05-01T15:21:10

Description

Project: https://github.com/imagemagick/imagemagick.git

Detailed report: https://oss-fuzz.com/testcase?key=5146497357185024

Project: imagemagick Fuzzer: libFuzzer_imagemagick_encoder_tiff64_fuzzer Fuzz target binary: encoder_tiff64_fuzzer Job Type: libfuzzer_msan_imagemagick Platform Id: linux

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: ScaleAnyToQuantum ImportRGBQuantum ImportQuantumPixels

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_imagemagick&range=201803240436:201803250434

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5146497357185024

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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