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Issue metadata

Status: WontFix
Owner:
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Security



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Unknown exception in Register

Project Member Reported by ClusterFuzz, Oct 7 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6063280958472192

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Unknown exception
Crash Address: 0x0584d2b0
Crash State:
  Register
  libGLESv2_swiftshader
  libGLESv2_swiftshader
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=480776:480854

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6063280958472192

Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, Oct 7 2017

Labels: M-61
Project Member

Comment 2 by sheriffbot@chromium.org, Oct 7 2017

Labels: Pri-1
Owner: capn@chromium.org
Status: Assigned (was: Untriaged)
capn, could you please take a look?
Components: Internals>GPU>SwiftShader

Comment 5 by capn@chromium.org, Oct 9 2017

Cc: nicolasc...@google.com capn@chromium.org
Labels: -Pri-1 Pri-2
Owner: sugoi@chromium.org
Alexis, this looks like a crash in generated code to me, which might be similar to the one you're looking into?

Despite crashing in Stable, I don't think this is P1, due to only affecting the GPU process.

Comment 6 by sugoi@chromium.org, Oct 10 2017

This crash is caused by trying to allocate a 8192x8192x4 D32F texture, for a total of 1GB of memory for that single texture, which is really hard to allocate in a 32b executable with only 4GB of memory space.

Comment 7 by sugoi@chromium.org, Oct 10 2017

Status: WontFix (was: Assigned)
Since this is simply an out of memory error, the crash is most likely the correct behavior in this case, so marking as WontFix.
Project Member

Comment 8 by ClusterFuzz, Oct 17 2017

Labels: Needs-Feedback
ClusterFuzz testcase 6063280958472192 is still reproducing on tip-of-tree build (trunk).

If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase.

Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.
Project Member

Comment 9 by ClusterFuzz, Oct 20 2017

ClusterFuzz has detected this issue as fixed in range 510178:510349.

Detailed report: https://clusterfuzz.com/testcase?key=6063280958472192

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Unknown exception
Crash Address: 0x0584d2b0
Crash State:
  Register
  libGLESv2_swiftshader
  libGLESv2_swiftshader
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=480776:480854
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=510178:510349

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6063280958472192

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 10 by sheriffbot@chromium.org, Jan 17 2018

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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