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.

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.

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XFA, not enabled in any branch of chrome.

Bisect says https://pdfium-review.googlesource.com/31313

But it's an easy fix.

The following revision refers to this bug:
  https://pdfium.googlesource.com/pdfium/+/75ee53784b5e51583c6c994d6eeadb7d3ce4a1b9

commit 75ee53784b5e51583c6c994d6eeadb7d3ce4a1b9
Author: Lei Zhang <thestig@chromium.org>
Date: Tue Jun 26 14:57:28 2018

Fix uninit value in CFX_CSSComputedStyle::InheritedData.

BUG= chromium:856054 

Change-Id: Ieacb7be324f290c91623ed1bd97744150fbfa6e7
Reviewed-on: https://pdfium-review.googlesource.com/36090
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

[modify] https://crrev.com/75ee53784b5e51583c6c994d6eeadb7d3ce4a1b9/core/fxcrt/css/cfx_css.h
[modify] https://crrev.com/75ee53784b5e51583c6c994d6eeadb7d3ce4a1b9/core/fxcrt/css/cfx_csscomputedstyle.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d9e43024d5003b59e5617adac119298db8771e90

commit d9e43024d5003b59e5617adac119298db8771e90
Author: pdfium-chromium-autoroll <pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date: Tue Jun 26 17:01:14 2018

Roll src/third_party/pdfium 76fb29d5ebae..75ee53784b5e (1 commits)

https://pdfium.googlesource.com/pdfium.git/+log/76fb29d5ebae..75ee53784b5e


git log 76fb29d5ebae..75ee53784b5e --date=short --no-merges --format='%ad %ae %s'
2018-06-26 thestig@chromium.org Fix uninit value in CFX_CSSComputedStyle::InheritedData.


Created with:
  gclient setdep -r src/third_party/pdfium@75ee53784b5e

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.



BUG= chromium:856054 
TBR=dsinclair@chromium.org

Change-Id: I79cdcb14b89ae3c436ab17d47e31d85e78c6be16
Reviewed-on: https://chromium-review.googlesource.com/1115059
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@{#570431}
[modify] https://crrev.com/d9e43024d5003b59e5617adac119298db8771e90/DEPS

ClusterFuzz has detected this issue as fixed in range 570425:570437.

Detailed report: https://clusterfuzz.com/testcase?key=5038143980699648

Fuzzer: libFuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  FXSYS_round
  CFX_Break::SetCharSpace
  CXFA_TextLayout::InitBreak
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=555504:555546
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=570425:570437

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5038143980699648

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 5038143980699648 is verified as fixed, so closing issue as verified.

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

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