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Issue 740848 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Aug 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in ClampX_ClampY_nofilter_affine_SSE2

Project Member Reported by ClusterFuzz, Jul 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4558843119140864

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  ClampX_ClampY_nofilter_affine_SSE2
  BitmapProcShaderContext::shadeSpan
  walk_convex_edges
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=398502:398570

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4558843119140864


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Skia
Labels: M-60 Test-Predator-Wrong-CLs
Project Member

Comment 2 by ClusterFuzz, Aug 12 2017

ClusterFuzz has detected this issue as fixed in range 493749:493765.

Detailed report: https://clusterfuzz.com/testcase?key=4558843119140864

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  ClampX_ClampY_nofilter_affine_SSE2
  BitmapProcShaderContext::shadeSpan
  walk_convex_edges
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=398502:398570
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=493749:493765

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4558843119140864

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 3 by ClusterFuzz, Aug 12 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4558843119140864 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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