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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 2018
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, Jan 16 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5239605690630144

Fuzzer: inferno_twister
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=495528:495531

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5239605690630144

Additional requirements: Requires HTTP

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 16 2018

Components: Internals>GPU>Internals Internals>GPU>SwiftShader
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, Jan 16 2018

Cc: sugoi@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Implement GL_MAX_PROGRAM_TEXEL_OFFSET and GL_MAX_TEXTURE_LOD_BIAS by sugoi@google.com - https://swiftshader.googlesource.com/SwiftShader/+/0e22d3ac1342803e4f6e99dee0b1bc7638f0acdc

glGetFragDataLocation implementation by sugoi@google.com - https://swiftshader.googlesource.com/SwiftShader/+/b3f5ed7a0986d906c4f70cbf86076d9b4ec11964

If this is incorrect, please apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Jan 18 2018

ClusterFuzz has detected this issue as fixed in range 529742:529750.

Detailed report: https://clusterfuzz.com/testcase?key=5239605690630144

Fuzzer: inferno_twister
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=495528:495531
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=529742:529750

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5239605690630144

Additional requirements: Requires HTTP

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 4 by ClusterFuzz, Jan 18 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5239605690630144 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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