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Issue metadata

Status: Duplicate
Merged: issue 797156
Owner: ----
Closed: Dec 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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

Project Member Reported by ClusterFuzz, Dec 22 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4695940241031168

Fuzzer: libFuzzer_angle_translator_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  sh::TParseContext::checkIsBelowStructNestingLimit
  sh::TParseContext::addStructDeclaratorList
  sh::TParseContext::addStructDeclaratorListWithQualifiers
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=525356:525375

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4695940241031168

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Cc: kkaluri@chromium.org
Labels: M-65 Test-Predator-Wrong
Mergedinto: 797156
Status: Duplicate (was: Untriaged)
With reference to the  Issue 797156 , hence merging into it.

Please undo it, if its not the case
Project Member

Comment 2 by ClusterFuzz, Dec 29 2017

ClusterFuzz has detected this issue as fixed in range 526314:526321.

Detailed report: https://clusterfuzz.com/testcase?key=4695940241031168

Fuzzer: libFuzzer_angle_translator_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  sh::TParseContext::checkIsBelowStructNestingLimit
  sh::TParseContext::addStructDeclaratorList
  sh::TParseContext::addStructDeclaratorListWithQualifiers
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=525356:525375
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=526314:526321

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4695940241031168

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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