npm@, could you please take a look?.
Thank you

The following revision refers to this bug:
  https://pdfium.googlesource.com/pdfium/+/9818dc150132ac04148174258423e394eb0948b9

commit 9818dc150132ac04148174258423e394eb0948b9
Author: Nicolas Pena <npm@chromium.org>
Date: Mon Mar 13 18:05:22 2017

LibopenJPEG: Fix some divisions by 0 in pi.c

The undefined shifts in libopenjpeg are sometimes used as divisors. This CL
checks that we are not trying to divide by 0 or mod by 0 in some places in
pi.c.

BUG= chromium:699491 

Change-Id: Iaf629112437068d6479dbbb52b339bec6edefed0
Reviewed-on: https://pdfium-review.googlesource.com/2962
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Nicolás Peña <npm@chromium.org>

[add] https://crrev.com/9818dc150132ac04148174258423e394eb0948b9/third_party/libopenjpeg20/0029-avoid-division-by-0.patch
[modify] https://crrev.com/9818dc150132ac04148174258423e394eb0948b9/third_party/libopenjpeg20/pi.c
[modify] https://crrev.com/9818dc150132ac04148174258423e394eb0948b9/third_party/libopenjpeg20/README.pdfium

b does not say much

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a179639e0748a31beeefad1801ab727d7c11fed5

commit a179639e0748a31beeefad1801ab727d7c11fed5
Author: pdfium-deps-roller <pdfium-deps-roller@chromium.org>
Date: Mon Mar 13 21:18:51 2017

Roll src/third_party/pdfium/ 8f03b422e..9818dc150 (3 commits)

https://pdfium.googlesource.com/pdfium.git/+log/8f03b422ed85..9818dc150132

$ git log 8f03b422e..9818dc150 --date=short --no-merges --format='%ad %ae %s'
2017-03-13 npm LibopenJPEG: Fix some divisions by 0 in pi.c
2017-03-13 dsinclair Replace discrete array with a map.
2017-03-13 dsinclair Convert TxtBreak line pieces to a vector.

Created with:
  roll-dep src/third_party/pdfium
BUG= 699491 

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/2751473002
Cr-Commit-Position: refs/heads/master@{#456485}

[modify] https://crrev.com/a179639e0748a31beeefad1801ab727d7c11fed5/DEPS

ClusterFuzz has detected this issue as fixed in range 456451:456495.

Detailed report: https://clusterfuzz.com/testcase?key=5526354776031232

Fuzzer: libfuzzer_pdf_jpx_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  b
  opj_int_ceildiv
  opj_pi_next_cprl
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=455091:455226
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=456451:456495

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv96X0KvSkb11tL2qwi1EP9ZXShKgFRxs_-y47soSKlh7wkp9UIIIHHX8p2m2003oQ3enk0nc6Bt0Hr5QpJeg1d5Gbm2o3VDyhoeZeHS42fhvBInV_z41zAFK5Xu_JN0zlf0gxjYB--rhbv28Z6_MBOVDQp2ar30FiR6JmqtO8qdEZizL1QFEChT3YskUwQ2bIpTwkezhygv1sBggNYXY1zzWqtMJ9N6JYwA_5e5smeIKCx2k5eUNIum-5ZP9axXsx6NViThPRlv7E9GPvi8ZbYc41gCdHWhNj8qsYwHLb3NiZqKIeiGjk16XcNlu-PRsE4GExiKauVePoIeq8l29_Re4sBr4wdAK6XSgve022m2Nhj1TuKA?testcase_id=5526354776031232


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.

 Issue 644628  has been merged into this issue.

ClusterFuzz testcase 5700362172628992 is verified as fixed, so closing issue as verified.

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