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Issue metadata

Status: Verified
Owner: ----
Closed: Apr 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in position_cluster

Project Member Reported by ClusterFuzz, Dec 26 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5359706230226944

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  position_cluster
  hb_ot_position
  hb_ot_shape_internal
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=434255:434304

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5359706230226944

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Dec 26 2017

Components: Blink>Fonts
Labels: Test-Predator-Auto-Components
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, Dec 26 2017

Labels: Test-Predator-Auto-Owner
Owner: rouslan@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/d2c4379ec3783f7f70b14f6fda92f13cd496bf66 (Mark IFrame support in PaymentRequest experimental).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Owner: ----
Status: Available (was: Assigned)
The stack is in font handling, which is not related to my work.
Project Member

Comment 4 by ClusterFuzz, Apr 18 2018

ClusterFuzz has detected this issue as fixed in range 551565:551568.

Detailed report: https://clusterfuzz.com/testcase?key=5359706230226944

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  position_cluster
  hb_ot_position
  hb_ot_shape_internal
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=434255:434304
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=551565:551568

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5359706230226944

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.
Project Member

Comment 5 by ClusterFuzz, Apr 18 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 5359706230226944 is verified as fixed, so closing issue as verified.

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

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