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Use-of-uninitialized-value in SkReadBuffer::readFlattenable |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6058632180662272 Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: SkReadBuffer::readFlattenable sk_sp<SkShaderBase> SkReadBuffer::readFlattenable<SkShaderBase> SkReadBuffer::readShader Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=522257:522289 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6058632180662272 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Dec 8 2017
Automatically assigning owner based on suspected regression changelist https://skia.googlesource.com/skia/+/fadbfcd4aba676d44dfb08de1a83143a1c63b95c (upgrade SkReadBuffer to always validate). If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
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Dec 8 2017
ClusterFuzz has detected this issue as fixed in range 522488:522621. Detailed report: https://clusterfuzz.com/testcase?key=6058632180662272 Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: SkReadBuffer::readFlattenable sk_sp<SkShaderBase> SkReadBuffer::readFlattenable<SkShaderBase> SkReadBuffer::readShader Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=522257:522289 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=522488:522621 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6058632180662272 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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Dec 8 2017
ClusterFuzz testcase 6058632180662272 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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Dec 8 2017
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Jan 5 2018
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Mar 16 2018
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jul 28
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Comment 1 by ClusterFuzz
, Dec 8 2017Labels: Test-Predator-Auto-Components