Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.

Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/724f61671bec82f521be75b0ace069fb3130902a (Change CJBig2_HuffmanTable to use struct JBig2HuffmanCode.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

The following revision refers to this bug:
  https://pdfium.googlesource.com/pdfium/+/28cad1534619d55820593baed0b6d6f3cbf767eb

commit 28cad1534619d55820593baed0b6d6f3cbf767eb
Author: Lei Zhang <thestig@chromium.org>
Date: Wed May 02 14:33:54 2018

Make several Huffman decoders consistently check for integer overflows.

BUG= chromium:837972 

Change-Id: I6cfa28bff38870419e4b1e2bced427cfcbf843cd
Reviewed-on: https://pdfium-review.googlesource.com/31912
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>

[modify] https://crrev.com/28cad1534619d55820593baed0b6d6f3cbf767eb/core/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp
[modify] https://crrev.com/28cad1534619d55820593baed0b6d6f3cbf767eb/core/fxcodec/jbig2/JBig2_Context.cpp
[modify] https://crrev.com/28cad1534619d55820593baed0b6d6f3cbf767eb/core/fxcodec/jbig2/JBig2_TrdProc.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ad8e5171e8f690cb17cd8ec3bff9528cb3fcab3c

commit ad8e5171e8f690cb17cd8ec3bff9528cb3fcab3c
Author: pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date: Wed May 02 18:25:15 2018

Roll src/third_party/pdfium/ 5f3e4f160..d3b0f7cc7 (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/5f3e4f1605a5..d3b0f7cc78e6

$ git log 5f3e4f160..d3b0f7cc7 --date=short --no-merges --format='%ad %ae %s'
2018-05-02 hnakashima Remove int out params from reference to pointer in CXFA_Node.
2018-05-02 thestig Make several Huffman decoders consistently check for integer overflows.
2018-05-02 tsepez Remove unused cpdfxfa_context.h includes from unittests

Created with:
  roll-dep src/third_party/pdfium
BUG= chromium:837972 


The AutoRoll server is located here: https://pdfium-roll.skia.org

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


TBR=dsinclair@chromium.org

Change-Id: Id94199a352df2125f5afc40d50475f73fd7b6aa6
Reviewed-on: https://chromium-review.googlesource.com/1039776
Reviewed-by: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#555475}
[modify] https://crrev.com/ad8e5171e8f690cb17cd8ec3bff9528cb3fcab3c/DEPS

ClusterFuzz has detected this issue as fixed in range 555457:555478.

Detailed report: https://clusterfuzz.com/testcase?key=6645917462298624

Fuzzer: libFuzzer_pdf_codec_jbig2_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  CJBig2_HuffmanDecoder::DecodeAValue
  CJBig2_SDDProc::DecodeHuffman
  CJBig2_Context::ParseSymbolDict
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=554549:554567
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=555457:555478

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6645917462298624

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

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

ClusterFuzz testcase 6645917462298624 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.