Null-dereference READ in CacheImpl::removeInternal |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6037917240393728 Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000020 Crash State: CacheImpl::removeInternal CacheImpl::purgeByImageFilter SkImageFilter::~SkImageFilter Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=559651:559657 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6037917240393728 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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May 18 2018
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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May 18 2018
Automatically adding ccs based on suspected regression changelists: Fix srcBounds computation in SkMatrixConvolutionImageFilter by robertphillips@google.com - https://skia.googlesource.com/skia/+/120784394c160d009bc3aa88dd217c13c105a6ca If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
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May 19 2018
ClusterFuzz has detected this issue as fixed in range 559927:559991. Detailed report: https://clusterfuzz.com/testcase?key=6037917240393728 Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000020 Crash State: CacheImpl::removeInternal CacheImpl::purgeByImageFilter SkImageFilter::~SkImageFilter Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=559651:559657 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=559927:559991 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6037917240393728 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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May 19 2018
ClusterFuzz testcase 6037917240393728 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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May 21 2018
Most likely this was fixed by: https://skia-review.googlesource.com/c/skia/+/129165 (Fix bugs related to SkMatrixConvolutionImageFilter in repeat mode) and https://skia-review.googlesource.com/c/skia/+/129184 ( Fix fuzzer bug i.e., compute the correct repeated dst domain) |
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Comment 1 by ClusterFuzz
, May 18 2018Labels: Test-Predator-Auto-Components