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Issue 813647 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Sep 17
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Stack-overflow in Parser::ParseExpression

Project Member Reported by ClusterFuzz, Feb 19 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5287165811228672

Fuzzer: libFuzzer_gn_parser_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffe7618f948
Crash State:
  Parser::ParseExpression
  Parser::DotOperator
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=474915:474952

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5287165811228672

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 19 2018

Components: Build
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.
Cc: brajkumar@chromium.org
Labels: M-65 Test-Predator-Wrong
Owner: joelhockey@chromium.org
Status: Assigned (was: Untriaged)
Unable to find actual suspect through code search nor from the provided regression range. This issue looks similar to  Issue 806620   , hence assigning it to the concern owner for further inputs.

joelhockey@-- Could you please take a look into this issue?

Thanks!
Owner: ----
Status: Available (was: Assigned)
Sorry, I'm not working on libxml now.
Project Member

Comment 4 by ClusterFuzz, Mar 15 2018

Labels: OS-Mac
Project Member

Comment 5 by ClusterFuzz, Sep 17

ClusterFuzz has detected this issue as fixed in range 574139:574142.

Detailed report: https://clusterfuzz.com/testcase?key=5287165811228672

Fuzzer: libFuzzer_gn_parser_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffe7618f948
Crash State:
  Parser::ParseExpression
  Parser::DotOperator
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=474915:474952
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=574139:574142

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5287165811228672

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 6 by ClusterFuzz, Sep 17

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 5287165811228672 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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