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Issue 666058 link

Starred by 1 user
Status: Duplicate
Merged: issue 650602
Owner:
wangxianzhu@chromium.org
Closed: Dec 2016
Cc:
blink-reformat@chromium.org
ifratric@google.com
█ msrchandra@chromium.org
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in blink::IntRect::maxX

Project Member Reported by ClusterFuzz, Nov 16 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6748668272312320

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::IntRect::maxX
  blink::IntRect::intersects
  blink::WebPluginContainerImpl::paint
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=419707:419720

Minimized Testcase (0.21 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95CtK0vqCP5SLDzNGIj1M_0cL4QxH887fzLtmAk1UMv_v1aJyvztOjJ-cdeLKA-6ckvREb-CGpzUkmmDh8ttgGq6Uhns-lFOFFL6VhVulUvT7uXLOyANcEq3YKENCmd-R6_XqzlpD6Au2zQeT2tO8G6Lem1PQ?testcase_id=6748668272312320

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 1 by msrchandra@chromium.org, Nov 17 2016

Cc: blink-reformat@chromium.org
Labels: Needs-triage
Unable to find the possible suspect using Code Search, CL and find it.
Adding blink-reformat@chromium.org in Cc as per the Stack Frames, could some one please look into the issue and update.
Thank You.

Comment 2 by ajha@chromium.org, Nov 18 2016

Labels: M-55
Project Member

Comment 3 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
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

Comment 4 by msrchandra@chromium.org, Dec 14 2016

Cc: msrchandra@chromium.org
Labels: -Needs-triage Test-Predator-Wrong-CLs
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
Using Code Search for the file, "IntRect.cpp" assigning to the concern owner.
Suspecting the Commit#
https://chromium.googlesource.com/chromium/src/+/7d87acb1c709a75cc6859bd75960744ee612d7bf

@wangxianzhu -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Comment 5 by wangxianzhu@chromium.org, Dec 14 2016

Mergedinto: 650602
Status: Duplicate (was: Assigned)
Currently we don't fix integer-overflow in all IntRects operations.
►

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