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Null-dereference READ in uidna_labelToUnicode_63 |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5691624962916352 Fuzzer: libFuzzer_template_url_parser_fuzzer Job Type: mac_libfuzzer_chrome_asan Platform Id: mac Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: uidna_labelToUnicode_63 url_formatter::IDNToUnicodeOneComponent url_formatter::IDNToUnicodeWithAdjustments Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=476117:476173 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5691624962916352 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Nov 1
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Nov 1
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/ee5a39ceca0897f43f63059d44635da6f02d0a50 (Omnibox - Open Search - Handle Lack of Short Name Smartly). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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Nov 1
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Nov 14
Are there instructions on how to reproduce this locally?
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Nov 27
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Nov 27
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Nov 27
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Nov 28
jshin@, can our IDN libraries behave differently on Mac versus Linux? I find it odd that this bug reproduces on Mac yet does not on Linux. All the Chromium code here is cross-platform.
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Nov 28
Jungshik no longer works on Chromium. +Koji who has recently volunteered as an IDN expert.
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Dec 1
ClusterFuzz testcase 5691624962916352 appears to be flaky, updating reproducibility label.
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Dec 1
Please ignore the last comment about testcase being unreproducible. The testcase is still reproducible. This happened due to a code refactoring on ClusterFuzz side, and the underlying root cause is now fixed. Resetting the label back to Reproducible. Sorry about the inconvenience caused from these incorrect notifications. |
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Comment 1 by ClusterFuzz
, Nov 1Labels: Test-Predator-Auto-Components