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Issue metadata

Status: WontFix
Owner: ----
Closed: Jun 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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Assert in invalid SkDisplacementMap channel selector

Project Member Reported by ClusterFuzz, Jun 11 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5513824963395584

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x0539000017b6
Crash State:
  sk_abort_no_print
  GrGLDisplacementMapEffect::emitCode
  GrGLSLProgramBuilder::emitAndInstallFragProc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=555638:555648

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5513824963395584

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jun 11 2018

Components: Internals>Skia
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, Jun 11 2018

Cc: enne@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.

Comment 3 by enne@chromium.org, Jun 11 2018

Labels: -Pri-1 ClusterFuzz-Ignore Pri-3
Status: WontFix (was: Untriaged)
Summary: Assert in invalid SkDisplacementMap channel selector (was: Abrt in sk_abort_no_print)
In practice, this is not a real bug.  If this happens, then the shader will fail to compile and nothing else will go wrong.
Project Member

Comment 4 by ClusterFuzz, Jul 28

ClusterFuzz has detected this issue as fixed in range 578890:578891.

Detailed report: https://clusterfuzz.com/testcase?key=5513824963395584

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x0539000017b6
Crash State:
  sk_abort_no_print
  GrGLDisplacementMapEffect::emitCode
  GrGLSLProgramBuilder::emitAndInstallFragProc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=555638:555648
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=578890:578891

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5513824963395584

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

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