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Null-dereference READ in v8::internal::AstRawString::AsArrayIndex |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5413811865255936 Fuzzer: libFuzzer_v8_fully_instrumented_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000018 Crash State: v8::internal::AstRawString::AsArrayIndex v8::internal::Literal::IsPropertyName v8::internal::ParserBase<v8::internal::Parser>::DoParseMemberExpressionContinuat Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=606292:606307 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5413811865255936 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Nov 9
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Nov 9
Automatically adding ccs based on suspected regression changelists: [parser] Make LookupRecursive less recursive by verwaest@chromium.org - https://chromium.googlesource.com/v8/v8/+/5e6f91e7c6ebf5fb5e221112a68b3c9b9107e1fb [parser] Introduce FailureExpression to return instead of nullptr by verwaest@chromium.org - https://chromium.googlesource.com/v8/v8/+/9d27ec3aacf76b8131c323dd57968209e6f6ff4c [parser] Simplify Scope::Declare by verwaest@chromium.org - https://chromium.googlesource.com/v8/v8/+/50f52476d91aabb92b168236ae0050103eec56d8 If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
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Nov 12
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Nov 12
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Nov 13
ClusterFuzz has detected this issue as fixed in range 607217:607221. Detailed report: https://clusterfuzz.com/testcase?key=5413811865255936 Fuzzer: libFuzzer_v8_fully_instrumented_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000018 Crash State: v8::internal::AstRawString::AsArrayIndex v8::internal::Literal::IsPropertyName v8::internal::ParserBase<v8::internal::Parser>::DoParseMemberExpressionContinuat Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=606292:606307 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=607217:607221 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5413811865255936 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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Comment 1 by ClusterFuzz
, Nov 9Labels: Test-Predator-Auto-Components