Null-dereference READ in SkColorFilter::makeComposed |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6165511738753024 Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: SkColorFilter::makeComposed SkComposeColorFilter::CreateProc SkReadBuffer::readFlattenable Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=537692:537695 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6165511738753024 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Feb 20 2018
Automatically assigning owner based on suspected regression changelist https://skia.googlesource.com/skia/+/19d7bd65045e88724ad59a8d7066a9092754c7e4 (hide virtual and rename to onMakeComposed). 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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Feb 20 2018
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Feb 21 2018
ClusterFuzz has detected this issue as fixed in range 537779:537782. Detailed report: https://clusterfuzz.com/testcase?key=6165511738753024 Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: SkColorFilter::makeComposed SkComposeColorFilter::CreateProc SkReadBuffer::readFlattenable Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=537692:537695 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=537779:537782 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6165511738753024 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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Feb 21 2018
ClusterFuzz testcase 6165511738753024 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
, Feb 20 2018Labels: Test-Predator-Auto-Components