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 assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/ad905158b86269686f94ea76d1b700f68ea377d5 (Convert CFX_BmpDecompressor to use CFX_MemoryStream).

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.

This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

Also XFA only.

ClusterFuzz testcase 4775682148925440 is verified as fixed, so closing issue as verified.

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

The following revision refers to this bug:
  https://pdfium.googlesource.com/pdfium/+/625e6fec9ddd1d023116f7bd22d2192ef9bc49c8

commit 625e6fec9ddd1d023116f7bd22d2192ef9bc49c8
Author: Ryan Harrison <rharrison@chromium.org>
Date: Thu Feb 15 17:47:09 2018

Correctly seek when header size is larger then expected

BUG= chromium:811733 

Change-Id: Idce50b8ea4ca06fc77d5b3931557cd1d6fe48bd5
Reviewed-on: https://pdfium-review.googlesource.com/26710
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

[modify] https://crrev.com/625e6fec9ddd1d023116f7bd22d2192ef9bc49c8/core/fxcodec/bmp/cfx_bmpdecompressor.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/1c7a6ab994d205d84cab9cd153b16b0edec9efaf

commit 1c7a6ab994d205d84cab9cd153b16b0edec9efaf
Author: pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date: Thu Feb 15 19:21:29 2018

Roll src/third_party/pdfium/ 46f79aaad..625e6fec9 (1 commit)

https://pdfium.googlesource.com/pdfium.git/+log/46f79aaad833..625e6fec9ddd

$ git log 46f79aaad..625e6fec9 --date=short --no-merges --format='%ad %ae %s'
2018-02-15 rharrison Correctly seek when header size is larger then expected

Created with:
  roll-dep src/third_party/pdfium
BUG= 811733 


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: I7ce520f7395224d24f8d793ff1e58035b8d75033
Reviewed-on: https://chromium-review.googlesource.com/922382
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@{#537095}
[modify] https://crrev.com/1c7a6ab994d205d84cab9cd153b16b0edec9efaf/DEPS

ClusterFuzz has detected this issue as fixed in range 537089:537101.

Detailed report: https://clusterfuzz.com/testcase?key=6538653413933056

Fuzzer: libFuzzer_pdf_codec_bmp_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Stack-buffer-overflow WRITE {*}
Crash Address: 0x7f597767fed8
Crash State:
  CFX_MemoryStream::ReadBlock
  CFX_MemoryStream::ReadBlock
  CFX_BmpDecompressor::ReadData
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=536273:536283
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=537089:537101

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6538653413933056

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.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

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