Suspected CLs:
================
Regression information is not available. The result is the blame information.

Author: thestig
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/fcf61b39ee597c73e80ba789833fb7fe49878422
Time: Thu Jun 09 18:29:35 2016 -0700
The CL last changed line 122 of file fx_codec_tiff.cpp, which is stack frame 4.

Author: Bo Xu
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/fdc00a7042d912aafaabddae4d9c84199921ef23
Time: Tue Oct 28 23:03:33 2014 -0700
The CL last changed line 4459 of file tif_dirread.c, which is stack frame 5.

Author: Bo Xu
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/fdc00a7042d912aafaabddae4d9c84199921ef23
Time: Tue Oct 28 23:03:33 2014 -0700
The CL last changed line 3415 of file tif_dirread.c, which is stack frame 6.

Suspected Project: chromium
========================

Possible suspect from above CL list : 
reveiw URL : https://codereview.chromium.org/2053573003
thestig@ : Could you please take a look into this if its related to your change.

https://codereview.chromium.org/2456553002

The following revision refers to this bug:
  https://pdfium.googlesource.com/pdfium.git/+/cd5f026e7b277ec73d53e149c7c48ee981547d1a

commit cd5f026e7b277ec73d53e149c7c48ee981547d1a
Author: thestig <thestig@chromium.org>
Date: Wed Oct 26 20:41:26 2016

Add more checks to tiff_read() and tiff_seek().

BUG= chromium:659519 

Review-Url: https://codereview.chromium.org/2456553002

[modify] https://crrev.com/cd5f026e7b277ec73d53e149c7c48ee981547d1a/core/fxcodec/codec/fx_codec_tiff.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/afce6ae2a6c8d41f8327d29f18d8fb918781d92e

commit afce6ae2a6c8d41f8327d29f18d8fb918781d92e
Author: pdfium-deps-roller <pdfium-deps-roller@chromium.org>
Date: Wed Oct 26 23:08:14 2016

Roll src/third_party/pdfium/ d3a2009d7..cd5f026e7 (1 commit).

https://pdfium.googlesource.com/pdfium.git/+log/d3a2009d75ea..cd5f026e7b27

$ git log d3a2009d7..cd5f026e7 --date=short --no-merges --format='%ad %ae %s'
2016-10-26 thestig Add more checks to tiff_read() and tiff_seek().

BUG= 659519 

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

TBR=dsinclair@chromium.org

Review-Url: https://codereview.chromium.org/2449853007
Cr-Commit-Position: refs/heads/master@{#427863}

[modify] https://crrev.com/afce6ae2a6c8d41f8327d29f18d8fb918781d92e/DEPS

ClusterFuzz has detected this issue as fixed in range 427846:427885.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4533882671333376

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  pTiffContext->offset() <= (uint32_t)pTiffContext->io_in()->GetSize()
  tiff_seek
  TIFFFetchDirectory
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=427846:427885

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96pDBjRdfgFqqSynO929VQOM5eAXMeWE7Ed3iCVySNz3RNLgdyMUgvROP92n3vg6A4a-Ge24vX6UBqdZ_4KbquVwAoQKy5FVlUb8h1jW13NdDaE-yTyoWG_qPSoRx6RaJ24-26Y5K4gi7rwbSjXlacqBgi7AA?testcase_id=4533882671333376

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

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot