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Issue 838753 link

Starred by 2 users

Issue metadata

Status: Duplicate
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::FontCache::CrashWithFontInfo

Project Member Reported by ClusterFuzz, May 2 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5726546023940096

Fuzzer: marty_html_twiddler
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::FontCache::CrashWithFontInfo
  blink::HarfBuzzShaper::ShapeSegment
  blink::HarfBuzzShaper::Shape
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=523898:523900

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5726546023940096

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 2 2018

Components: Platform
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.
Cc: pnangunoori@chromium.org
Labels: M-67 Test-Predator-Wrong
Owner: e...@chromium.org
Status: Assigned (was: Untriaged)
eae@ -- Could you please look into this issue, as this issue seems to be similar to  Issue 835751  and may be duped to the issue 561873.

Note: Unable to provide possible suspect using Predator, CL and Code Search.

Thanks!

Comment 3 by e...@chromium.org, May 2 2018

Mergedinto: 561873
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Jun 5 2018

ClusterFuzz has detected this issue as fixed in range 564377:564378.

Detailed report: https://clusterfuzz.com/testcase?key=5726546023940096

Fuzzer: marty_html_twiddler
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::FontCache::CrashWithFontInfo
  blink::HarfBuzzShaper::ShapeSegment
  blink::HarfBuzzShaper::Shape
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=523898:523900
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=564377:564378

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5726546023940096

Additional requirements: Requires Gestures

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.

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