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Issue metadata

Status: WontFix
Owner:
Closed: Jan 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in OT::apply_lookup

Project Member Reported by ClusterFuzz, Oct 25 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6032321229881344

Fuzzer: libfuzzer_harfbuzz_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e900004d9f
Crash State:
  OT::apply_lookup
  OT::chain_context_apply_lookup
  OT::ChainRule::apply
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=406810:406928

Minimized Testcase (2.75 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95DuubaebEjVzp8C-NCqIYKf-_eFTqY4UWFFEvw9r-h2wS8hOmIIV9Nr-4fPz1svTen8SlwNsM5TkaIvL-CFx1s88dOqbZUpwLVx0sHzTtuzL14bzAsZqOcgX8IpuN8YWrJRe7U2lEkBo1-WcuyQl29MYulvQ?testcase_id=6032321229881344

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Owner: drott@chromium.org
Status: Assigned (was: Untriaged)
drott @ could you please look into this.please feel free to re-assigned back if needed. thanks in advance !

Comment 2 by drott@chromium.org, Oct 26 2016

Owner: behdad@chromium.org
This is in HarfBuzz, detected by the HarfBuzz fuzzer. Behdad, would you take a look?

Comment 3 by drott@chromium.org, Oct 26 2016

Cc: drott@chromium.org
Project Member

Comment 4 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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

Comment 5 Deleted

Comment 6 by behdad@google.com, Dec 22 2016

FWIW this is the same as https://bugs.chromium.org/p/chromium/issues/detail?id=659496

Looking into it now.
Project Member

Comment 7 by ClusterFuzz, Jan 21 2017

Status: WontFix (was: Assigned)
ClusterFuzz testcase 6032321229881344 is flaky and no longer reproduces, so closing issue.

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

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