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Issue 796447 link

Starred by 1 user

Issue metadata

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



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

Project Member Reported by ClusterFuzz, Dec 20 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5449584997564416

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=525039:525066

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5449584997564416

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 20 2017

Labels: Test-Predator-Auto-Owner
Owner: oetu...@nvidia.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/angle/angle/+/ae4dbf32ba112c767d6e67d6e5734fc81d8c2d8c (Don't allocate name strings for empty symbols).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 2 by ClusterFuzz, Dec 20 2017

ClusterFuzz has detected this issue as fixed in range 525156:525174.

Detailed report: https://clusterfuzz.com/testcase?key=5449584997564416

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=525039:525066
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=525156:525174

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5449584997564416

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 3 by ClusterFuzz, Dec 20 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5449584997564416 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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