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Issue 754506 link

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Issue metadata

Status: WontFix
Owner:
Closed: Sep 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Timeout in harfbuzz_fuzzer

Project Member Reported by ClusterFuzz, Aug 10 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5598263003840512

Fuzzer: libFuzzer_harfbuzz_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  harfbuzz_fuzzer
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5598263003840512

Issue filed automatically.

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

Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. If the fix resolved the issue, please close the bug by marking as Fixed.


 
Project Member

Comment 1 by ClusterFuzz, Aug 11 2017

Labels: OS-Mac
Cc: msrchandra@chromium.org
Components: Blink>Fonts
Labels: Test-Predator-Correct-CLs
Owner: bashi@chromium.org
Status: Assigned (was: Untriaged)
Assigning to concern owner from Predator results --
Regression information is not available. The result is the blame information. 

Author: bashi@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/f4e59db002be2b735b9b96b0b54ab3234851e6eb
Time: Tue Jun 05 00:33:17 2012
The CL last changed line 1682 of file hb-ot-layout-gsubgpos-private.hh, which is stack frame 3. 

Author: eae
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/98eef9ffcf1f49bcef3fed5f3d1a09d844ef8f02
Time: Tue Oct 13 18:20:34 2015
The CL last changed line 1737 of file hb-ot-layout-gsubgpos-private.hh, which is stack frame 4. 

Author: evan@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/29c2daeafac577bd80c7b37891e3bbae7c542b5e
Time: Wed Jan 05 20:38:50 2011
The CL last changed line 1808 of file hb-ot-layout-gsubgpos-private.hh, which is stack frame 5. 

Author: eae
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/98eef9ffcf1f49bcef3fed5f3d1a09d844ef8f02
Time: Tue Oct 13 18:20:34 2015
The CL last changed line 1891 of file hb-ot-layout-gsubgpos-private.hh, which is stack frame 6. 

Author: eae
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/98eef9ffcf1f49bcef3fed5f3d1a09d844ef8f02
Time: Tue Oct 13 18:20:34 2015
The CL last changed line 2171 of file hb-ot-layout-gsubgpos-private.hh, which is stack frame 7. 

Author: eae
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/98eef9ffcf1f49bcef3fed5f3d1a09d844ef8f02
Time: Tue Oct 13 18:20:34 2015
The CL last changed line 1119 of file hb-ot-layout-gsub-table.hh, which is stack frame 8. 

Author: eae
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/745ff3a6e89a36a8f1b867e3875d352bf5f57505
Time: Mon Mar 23 22:23:13 2015
The CL last changed line 628 of file hb-ot-layout-common-private.hh, which is stack frame 9.

@bashi -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Comment 3 by bashi@chromium.org, Aug 13 2017

Cc: bashi@chromium.org behdad@chromium.org
Owner: drott@chromium.org
drott@: could you take a look?

Comment 4 by behdad@google.com, Aug 14 2017

Probably same as https://github.com/behdad/harfbuzz/issues/429

Comment 5 by e...@chromium.org, Sep 28 2017

Status: ExternalDependency (was: Assigned)

Comment 6 by e...@chromium.org, Sep 30 2017

Status: WontFix (was: ExternalDependency)
Tracked in the harfbuzz bug database as per above.

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