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Issue 923668 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 19
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference WRITE in Ice::CfgNode::appendInst

Project Member Reported by ClusterFuzz, Jan 19 (3 days ago)

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5825127264288768

Fuzzer: metzman_graphicsfuzz_crash_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000020
Crash State:
  Ice::CfgNode::appendInst
  rr::Nucleus::createLoad
  sw::PixelProgram::LEAVE
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=543343:543344

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5825127264288768

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Jan 19 (3 days ago)

Components: Internals>GPU>SwiftShader
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, Jan 19 (3 days ago)

ClusterFuzz has detected this issue as fixed in range 624266:624267.

Detailed report: https://clusterfuzz.com/testcase?key=5825127264288768

Fuzzer: metzman_graphicsfuzz_crash_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000020
Crash State:
  Ice::CfgNode::appendInst
  rr::Nucleus::createLoad
  sw::PixelProgram::LEAVE
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=543343:543344
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=624266:624267

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5825127264288768

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

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

Comment 3 by ClusterFuzz, Jan 19 (3 days ago)

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5825127264288768 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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