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Issue 722058 link

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Issue metadata

Status: Duplicate
Merged: issue 722349
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Bad-cast to gl::Object from es2::Context;egl::Display::createContext;gl::GLContextEGL::Initialize

Project Member Reported by ClusterFuzz, May 13 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6123691829362688

Fuzzer: meacer_extension_apis
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x27ed9ba1c000
Crash State:
  Bad-cast to gl::Object from es2::Context
  egl::Display::createContext
  gl::GLContextEGL::Initialize
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=463867:463893

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6123691829362688


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, May 14 2017

Labels: M-59
Project Member

Comment 2 by sheriffbot@chromium.org, May 14 2017

Labels: ReleaseBlock-Stable
Project Member

Comment 3 by sheriffbot@chromium.org, May 14 2017

Labels: Pri-1

Comment 4 by aarya@google.com, May 15 2017

Cc: och...@chromium.org
Components: Internals>GPU>SwiftShader
Owner: capn@chromium.org
Status: Assigned (was: Untriaged)
This is currently top crasher on ubsan vptr job. started triggering after we switched clusetrfuzz bots from --use-gl=osmesa to --use-gl=any (which uses swiftshader by default now).

Comment 5 by aarya@google.com, May 15 2017

Cc: geoffl...@chromium.org kbr@chromium.org

Comment 6 by capn@chromium.org, May 16 2017

Mergedinto: 722349
Status: Duplicate (was: Assigned)
Project Member

Comment 7 by ClusterFuzz, Jul 31 2017

ClusterFuzz has detected this issue as fixed in range 473625:473653.

Detailed report: https://clusterfuzz.com/testcase?key=6123691829362688

Fuzzer: meacer_extension_apis
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x27ed9ba1c000
Crash State:
  Bad-cast to gl::Object from es2::Context
  egl::Display::createContext
  gl::GLContextEGL::Initialize
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=463867:463893
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=473625:473653

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6123691829362688


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 8 by sheriffbot@chromium.org, Aug 23 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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