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Issue 834696 link

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Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in sh::TOutputGLSLBase::visitDeclaration

Project Member Reported by ClusterFuzz, Apr 19 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4964673469022208

Fuzzer: svg_xml_tokenfuzz
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  sh::TOutputGLSLBase::visitDeclaration
  sh::TIntermTraverser::traverseDeclaration
  sh::TOutputGLSLBase::visitBlock
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=551460:551464

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4964673469022208

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 19 2018

Labels: Test-Predator-Auto-Owner
Owner: jmad...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/angle/angle/+/aed1b56aac8e5d14f4a5101f0f85135717a3d744 (Prerequisite code for simpler GlslangWrapper.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Cc: jmad...@chromium.org
 Issue 834698  has been merged into this issue.
Status: Fixed (was: Assigned)
Already fixed in ToT.
Project Member

Comment 4 by ClusterFuzz, Apr 19 2018

ClusterFuzz has detected this issue as fixed in range 551491:551503.

Detailed report: https://clusterfuzz.com/testcase?key=4964673469022208

Fuzzer: svg_xml_tokenfuzz
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  sh::TOutputGLSLBase::visitDeclaration
  sh::TIntermTraverser::traverseDeclaration
  sh::TOutputGLSLBase::visitBlock
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=551460:551464
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=551491:551503

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4964673469022208

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 5 by ClusterFuzz, Apr 19 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4964673469022208 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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