Integer-overflow in blink::IntPoint::Move |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4858857000796160 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::IntPoint::Move blink::operator+= Move Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=549059:549062 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4858857000796160 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Apr 27 2018
Unable to provide possible suspect using Predator, CL and Code Search. Could someone please look into the issue. CC'ing wangxianzhu@ for the recent changes made to the file 'int_point.h' for the further inputs. Thank You.
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Apr 27 2018
For now we don't check integer overflow in IntPoint, and there seems no plan for it.
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Apr 30 2018
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May 4 2018
ClusterFuzz testcase 5538385251532800 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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May 4 2018
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Aug 15
ClusterFuzz has detected this issue as fixed in range 583155:583156. Detailed report: https://clusterfuzz.com/testcase?key=4858857000796160 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::IntPoint::Move blink::operator+= Move Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=549059:549062 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=583155:583156 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4858857000796160 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
, Apr 27 2018Labels: Test-Predator-Auto-Components