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Issue 794351 link

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Issue metadata

Status: Fixed
Owner:
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug

Blocking:
issue 62400



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Timeout in pdf_codec_jpeg_fuzzer

Project Member Reported by ClusterFuzz, Dec 12 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4525864854487040

Fuzzer: libFuzzer_pdf_codec_jpeg_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  pdf_codec_jpeg_fuzzer
  
Sanitizer: memory (MSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4525864854487040

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.

Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. We will auto-close the bug if the crash is not seen for 14 days.
 
Cc: kkaluri@chromium.org
Components: Internals>Plugins>PDF
Labels: Test-Predator-Wrong
Owner: rharrison@chromium.org
Status: Assigned (was: Untriaged)
As per reference to  Issue 779006 , assigning to its concern owner

rharrison@ -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.


Thanks.
Status: Started (was: Assigned)
Status: Assigned (was: Started)
Blocked on not being able to reproduce MSAN issues locally due to a system update. Will come back to this once I have that resolved.
Blocking: 62400
Project Member

Comment 5 by bugdroid1@chromium.org, Dec 14 2017

The following revision refers to this bug:
  https://pdfium.googlesource.com/pdfium/+/8489e901fb16fe508e23a36cd3eff93d8332c2a2

commit 8489e901fb16fe508e23a36cd3eff93d8332c2a2
Author: Ryan Harrison <rharrison@chromium.org>
Date: Thu Dec 14 20:37:05 2017

Reduce XFA image fuzzer size limit to 64MB

BUG= chromium:794351 

Change-Id: Ieb876560674dfa0728d66f2ad3411f3f569d0ffa
Reviewed-on: https://pdfium-review.googlesource.com/21290
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

[modify] https://crrev.com/8489e901fb16fe508e23a36cd3eff93d8332c2a2/testing/libfuzzer/xfa_codec_fuzzer.h

Status: Fixed (was: Assigned)

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