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Issue metadata

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



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Integer-overflow in ClampX_ClampY_pack_filter

Project Member Reported by ClusterFuzz, Feb 21 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5771060197457920

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  ClampX_ClampY_pack_filter
  ClampX_ClampY_filter_scale_SSE2
  S32_D32_constX_shaderproc
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=486026:486088

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5771060197457920

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 21 2018

Components: Internals>Skia
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, Feb 21 2018

Labels: Test-Predator-Auto-Owner
Owner: reed@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://skia.googlesource.com/skia/+/6ee29658202a0bd8394df5daed8db30321c01cc9 (remove unreachable perspective code for imageshader).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

Comment 3 by reed@google.com, Feb 21 2018

Cc: kjlubick@google.com
Project Member

Comment 4 by ClusterFuzz, Apr 18 2018

ClusterFuzz has detected this issue as fixed in range 551523:551526.

Detailed report: https://clusterfuzz.com/testcase?key=5771060197457920

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  ClampX_ClampY_pack_filter
  ClampX_ClampY_filter_scale_SSE2
  S32_D32_constX_shaderproc
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=486026:486088
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=551523:551526

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5771060197457920

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: Assigned)
ClusterFuzz testcase 5771060197457920 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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