Integer-overflow in PaintComplexOutline |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5744497556979712 Fuzzer: inferno_twister_c Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: PaintComplexOutline blink::ObjectPainter::PaintOutline blink::InlinePainter::Paint Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5744497556979712 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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May 19 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/2c863229da24ed1cb180759c9342e7a5125fd6f5 (Add ImageData constructor from StaticBitmapImage). 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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May 21 2018
Worst case we paint in the wrong place.
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May 28 2018
ClusterFuzz testcase 5744497556979712 is still reproducing on tip-of-tree build (trunk). If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase. Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.
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Jun 24 2018
ClusterFuzz has detected this issue as fixed in range 569791:569802. Detailed report: https://clusterfuzz.com/testcase?key=5744497556979712 Fuzzer: inferno_twister_c Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: PaintComplexOutline blink::ObjectPainter::PaintOutline blink::InlinePainter::Paint Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=569791:569802 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5744497556979712 See https://github.com/google/clusterfuzz-tools 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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Comment 1 by ClusterFuzz
, May 19 2018Labels: Test-Predator-Auto-Components