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Issue 661874 link

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Issue metadata

Status: Duplicate
Merged: issue 661868
Owner:
Closed: Nov 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in gpu::gles2::GLES2DecoderImpl::ValidateUniformBlockBackings

Project Member Reported by ClusterFuzz, Nov 3 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5627892781547520

Fuzzer: libfuzzer_gpu_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x0000000001c0
Crash State:
  gpu::gles2::GLES2DecoderImpl::ValidateUniformBlockBackings
  gpu::gles2::GLES2DecoderImpl::DoDrawArrays
  gpu::gles2::GLES2DecoderImpl::HandleDrawArrays
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=429361:429440

Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94HTPst6rv9KPzFsHNnOOmt3Z82xC8yfxnkUH7dXadbh4ua8V7Ck4VNDluxtyZ9ImEwXbxi7EcWm_twvevVTiPWITw44BprKfM0VRld_jjEVugTTr1NCBfUcTWmMYAsUvAphXwCIBx3rTUFlhIxuefPa5h4uw?testcase_id=5627892781547520

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: msrchandra@chromium.org
Components: Internals>GPU
Labels: Findit-for-crash Test-Predator-Correct
Owner: zmo@chromium.org
Status: Assigned (was: Untriaged)
Using find it assigning to the concern owner,
Suspected CLs	The result is a list of CLs that change the crashed files.

Author: zmo
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/cc9875e20a39ec849cb15916821945f510f6a623
Time: Wed Nov 02 22:14:30 2016
Lines 8702, 9832-9835 of file gles2_cmd_decoder.cc which potentially caused crash are changed in this cl (frame #1, "gpu::gles2::GLES2DecoderImpl::ValidateUniformBlockBackings"; frame #2, "gpu::gles2::GLES2DecoderImpl::DoDrawArrays").
Minimum distance from crash line to modified line: 0. (file: gles2_cmd_decoder.cc, crashed on: 8704, modified: 8704).

Suspected Project: chromium
Suspected Component: Internals>GPU>Internals

@zmo -- Could you please look into the issue, Kindly help to re-assign, if your changes are not cause for this issue.
Thank You.
Labels: -Test-Predator-Correct Test-Predator-Correct-CLs

Comment 3 by piman@chromium.org, Nov 3 2016

Cc: zmo@chromium.org
 Issue 661892  has been merged into this issue.

Comment 4 by piman@chromium.org, Nov 3 2016

Mergedinto: 661868
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Nov 4 2016

ClusterFuzz has detected this issue as fixed in range 429704:429748.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5627892781547520

Fuzzer: libfuzzer_gpu_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x0000000001c0
Crash State:
  gpu::gles2::GLES2DecoderImpl::ValidateUniformBlockBackings
  gpu::gles2::GLES2DecoderImpl::DoDrawArrays
  gpu::gles2::GLES2DecoderImpl::HandleDrawArrays
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=429361:429440
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=429704:429748

Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94HTPst6rv9KPzFsHNnOOmt3Z82xC8yfxnkUH7dXadbh4ua8V7Ck4VNDluxtyZ9ImEwXbxi7EcWm_twvevVTiPWITw44BprKfM0VRld_jjEVugTTr1NCBfUcTWmMYAsUvAphXwCIBx3rTUFlhIxuefPa5h4uw?testcase_id=5627892781547520

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 6 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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

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