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Issue 797249 link

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Issue metadata

Status: Verified
Owner:
Email to this user bounced
Closed: Dec 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in sh::TParseContext::addStructDeclaratorList

Project Member Reported by ClusterFuzz, Dec 22 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6578251131781120

Fuzzer: libFuzzer_angle_translator_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  sh::TParseContext::addStructDeclaratorList
  yyparse
  sh::PaParseStrings
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=525358:525376

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6578251131781120

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 23 2017

Labels: OS-Mac
Cc: kkaluri@chromium.org
Labels: M-65 Test-Predator-Wrong
Owner: oetu...@nvidia.com
Status: Assigned (was: Untriaged)
With reference to the following  Issue 797156 , assigning it to oetuaho@

oetuaho@ Could you please look into it
Project Member

Comment 3 by ClusterFuzz, Dec 29 2017

ClusterFuzz has detected this issue as fixed in range 526312:526320.

Detailed report: https://clusterfuzz.com/testcase?key=6578251131781120

Fuzzer: libFuzzer_angle_translator_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  sh::TParseContext::addStructDeclaratorList
  yyparse
  sh::PaParseStrings
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=525358:525376
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=526312:526320

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6578251131781120

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.
Project Member

Comment 4 by ClusterFuzz, Dec 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6578251131781120 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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