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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 24
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Ill in v8::internal::PatternRewriter::VisitUnaryOperation

Project Member Reported by ClusterFuzz, Nov 23

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4704262137053184

Fuzzer: afl_v8_script_parser_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Ill
Crash Address: 0x557cca9fd6a8
Crash State:
  v8::internal::PatternRewriter::VisitUnaryOperation
  v8::internal::PatternRewriter::Visit
  v8::internal::PatternRewriter::RecurseIntoSubpattern
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=610606:610609

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4704262137053184

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 23

Components: Blink>JavaScript>Parser
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, Nov 23

Cc: verwa...@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

[parser] Simplify CheckAndRewriteReferenceExpression by verwaest@chromium.org - https://chromium.googlesource.com/v8/v8/+/57e1e72a164289e3caa2e229f21c9ae2e1cc0ea9

[parser] Inline checking part of CheckAndRewriteReferenceExpression by verwaest@chromium.org - https://chromium.googlesource.com/v8/v8/+/260074aca4566b33895dc0f6b045ca9dbbb545d5

[parser] Further simplify ParseAssignmentExpression by verwaest@chromium.org - https://chromium.googlesource.com/v8/v8/+/2eab4de35d625c6bce8cce820e5a7bb480db0938

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Nov 24

ClusterFuzz has detected this issue as fixed in range 610633:610641.

Detailed report: https://clusterfuzz.com/testcase?key=4704262137053184

Fuzzer: afl_v8_script_parser_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Ill
Crash Address: 0x557cca9fd6a8
Crash State:
  v8::internal::PatternRewriter::VisitUnaryOperation
  v8::internal::PatternRewriter::Visit
  v8::internal::PatternRewriter::RecurseIntoSubpattern
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=610606:610609
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=610633:610641

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4704262137053184

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, Nov 24

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4704262137053184 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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