ClusterFuzz has detected this issue as fixed in range 487783:487800.

Detailed report: https://clusterfuzz.com/testcase?key=4626704516775936

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference
Crash Address: 0x000000000020
Crash State:
  snd_seq_event_output_direct
  midi::MidiManagerAlsa::SendMidiData
  midi::TaskService::RunTask
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=479371:479381
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=487783:487800

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4626704516775936


See https://github.com/google/clusterfuzz-tools 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 4626704516775936 is verified as fixed, so closing issue.

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

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a2923a0ffe632c7946a96cb19c391c3625efac06

commit a2923a0ffe632c7946a96cb19c391c3625efac06
Author: Peter Kotwicz <pkotwicz@chromium.org>
Date: Mon Nov 06 17:59:59 2017

Make WebApkUpdateManager#needsUpdate() static

- This method makes WebApkUpdateManager#needsUpdate() static
- Creates a shadow for UrlUtilities so that UrlUtilities can be used in tests
  because UrlUtilities uses native

BUG= 734364 

Change-Id: Ie00c7c1cf681c60f897a3a32755aa7f5a13833a3
Reviewed-on: https://chromium-review.googlesource.com/754556
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Commit-Queue: Peter Kotwicz <pkotwicz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#514171}
[modify] https://crrev.com/a2923a0ffe632c7946a96cb19c391c3625efac06/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkUpdateManager.java
[modify] https://crrev.com/a2923a0ffe632c7946a96cb19c391c3625efac06/chrome/android/java_sources.gni
[add] https://crrev.com/a2923a0ffe632c7946a96cb19c391c3625efac06/chrome/android/junit/src/org/chromium/chrome/browser/util/test/ShadowUrlUtilities.java
[modify] https://crrev.com/a2923a0ffe632c7946a96cb19c391c3625efac06/chrome/android/junit/src/org/chromium/chrome/browser/webapps/WebApkUpdateManagerUnitTest.java