Integer-overflow in blink::IntRect::inflateX |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=6190332540878848 Fuzzer: inferno_twister Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::IntRect::inflateX blink::ObjectPainter::paintOutline blink::ReplacedPainter::paint Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027 Minimized Testcase (0.30 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94VjUu4mciCCnVm_-MfHdci_nhqPaFWh0p-WhbkSu20dCGseWccrRof_WE987oyD43y9GcQPoCUNiUuLt5_BlVzxnN50D3O0vcPKKcPo0lzQq_GdJ6GZ_wzeGDcIrjHbYKiG6A2pdSUgS4o2yUqu81E3U0FQA?testcase_id=6190332540878848 Issue manually filed by: mummareddy See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
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Aug 5 2016
Moving this nonessential bug to the next milestone. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Aug 23 2016
We can fix these one-by-one but I think it'll be best to fix the core problem by using saturated arithmetic in IntRect.
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Sep 12 2016
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Sep 18 2016
ClusterFuzz has detected this issue as fixed in range 419387:419391. Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6190332540878848 Fuzzer: inferno_twister Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::IntRect::inflateX blink::ObjectPainter::paintOutline blink::ReplacedPainter::paint Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027 Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=419387:419391 Minimized Testcase (0.30 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94VjUu4mciCCnVm_-MfHdci_nhqPaFWh0p-WhbkSu20dCGseWccrRof_WE987oyD43y9GcQPoCUNiUuLt5_BlVzxnN50D3O0vcPKKcPo0lzQq_GdJ6GZ_wzeGDcIrjHbYKiG6A2pdSUgS4o2yUqu81E3U0FQA?testcase_id=6190332540878848 See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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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Sep 18 2016
ClusterFuzz testcase is verified as fixed, closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Nov 22 2016
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by mummare...@chromium.org
, Aug 4 2016Owner: pdr@chromium.org
Status: Assigned (was: Untriaged)