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Issue metadata

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



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Integer-overflow in es2::Context::blitFramebuffer

Project Member Reported by ClusterFuzz, Nov 5 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6578304131006464

Fuzzer: inferno_twister_c
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  es2::Context::blitFramebuffer
  glBlitFramebuffer
  gl::GLApiBase::glBlitFramebufferFn
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=500402:500415

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6578304131006464

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 5 2017

Components: Internals>GPU>Internals
Labels: Test-Predator-AutoComponents
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, Nov 5 2017

Labels: Test-Predator-AutoOwner
Owner: sugoi@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b6e61022496fde12591293b56308a9b26ed6009e (Show WebGL2 content using SwiftShader).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Labels: Test-Predator-Auto-CC
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Labels: -Test-Predator-Auto-CC
Components: -Internals>GPU>Internals Internals>GPU>SwiftShader
Owner: sugoi@chromium.org
Project Member

Comment 8 by ClusterFuzz, Dec 16 2017

ClusterFuzz has detected this issue as fixed in range 524496:524517.

Detailed report: https://clusterfuzz.com/testcase?key=6578304131006464

Fuzzer: inferno_twister_c
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  es2::Context::blitFramebuffer
  glBlitFramebuffer
  gl::GLApiBase::glBlitFramebufferFn
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=500402:500415
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=524496:524517

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6578304131006464

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 9 by ClusterFuzz, Dec 16 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6578304131006464 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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