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Issue 915647 link

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Issue metadata

Status: Available
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Chrome
Pri: 2
Type: Bug



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Integer-overflow in mz_zip_seek_to_local_header

Project Member Reported by ClusterFuzz, Dec 17

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5707530397024256

Fuzzer: libFuzzer_minizip_uncompress_fuzzer
Fuzz target binary: minizip_uncompress_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  mz_zip_seek_to_local_header
  mz_zip_entry_read_open
  minizip_uncompress_fuzzer.cc
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=617047:617048

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5707530397024256

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Dec 17

Cc: yawano@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Cc: amistry@chromium.org
Components: Platform>Apps>FileManager
Labels: CrOSFilesFeature-Zip OS-Chrome
Status: Available (was: Untriaged)

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