Null-dereference READ in TStorageRange::GetGlyphEntry |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5701584076668928 Fuzzer: libFuzzer_blink_harfbuzz_shaper_fuzzer Job Type: mac_libfuzzer_chrome_asan Platform Id: mac Crash Type: Null-dereference READ Crash Address: 0x0000000000a0 Crash State: TStorageRange::GetGlyphEntry TRunGlue::RotateGlyphs OpenTypeShapingEngine::ApplyScriptShaping Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=507057:507116 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5701584076668928 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Apr 27 2018
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Apr 27 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b8cc3ad7241229a774e5182c62c4b1f0fc19ac95 (Add a fuzzer target for HarfBuzzShaper). 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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Apr 30 2018
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Aug 16
ClusterFuzz has detected this issue as fixed in range 583266:583305. Detailed report: https://clusterfuzz.com/testcase?key=5701584076668928 Fuzzer: libFuzzer_blink_harfbuzz_shaper_fuzzer Job Type: mac_libfuzzer_chrome_asan Platform Id: mac Crash Type: Null-dereference READ Crash Address: 0x0000000000a0 Crash State: TStorageRange::GetGlyphEntry TRunGlue::RotateGlyphs OpenTypeShapingEngine::ApplyScriptShaping Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=507057:507116 Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=583266:583305 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5701584076668928 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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Aug 16
ClusterFuzz testcase 5701584076668928 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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Comment 1 by ClusterFuzz
, Apr 27 2018Labels: Test-Predator-Auto-Components