New issue
Advanced search Search tips

Issue 772665 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: Mar 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

CHECK failure: slice.num_characters in HarfBuzzShaper.cpp

Project Member Reported by ClusterFuzz, Oct 7 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6555646710513664

Fuzzer: libFuzzer_blink_harfbuzz_shaper_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  slice.num_characters in HarfBuzzShaper.cpp
  blink::QueueCharacters
  blink::HarfBuzzShaper::ExtractShapeResults
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=507066:507107

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6555646710513664

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 7 2017

Components: Platform
Labels: Test-Predator-AutoComponents
Automatically applying components based on crash stacktrace and information from OWNERS files.

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

Comment 2 by ClusterFuzz, Oct 7 2017

Labels: Test-Predator-AutoOwner
Owner: drott@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b8cc3ad7241229a774e5182c62c4b1f0fc19ac95 (Add a fuzzer target for HarfBuzzShaper).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

Comment 3 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Project Member

Comment 6 by ClusterFuzz, Mar 15 2018

Status: WontFix (was: Assigned)
ClusterFuzz testcase 6555646710513664 is flaky and no longer crashes, so closing issue.

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

Sign in to add a comment