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Issue 634800 link

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Issue metadata

Status: WontFix
Owner:
Closed: Aug 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Integer-overflow in blink::ComputedStyle::outlineOutsetExtent

Project Member Reported by ClusterFuzz, Aug 5 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5714309370085376

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::ComputedStyle::outlineOutsetExtent
  blink::InlineFlowBox::addOutlineVisualOverflow
  blink::InlineFlowBox::computeOverflow
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027

Minimized Testcase (0.42 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96uP1X0BUv0aTnsLhuFem5oTpk-FZB8PB-cBa6LbafoxURJmeB7k1jacIkYgNSu4l_lN6fFuNoEE730tIV_Tt1m1nRkEUlpwjGu2YiUefo8HjVrleEwpuU8YHcecXZozXMBDpXrBpReNwidPklHKWYMUBB7aA?testcase_id=5714309370085376

Issue manually filed by: ranjitkan

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: ranjitkan@chromium.org
Components: Tools>Test>FindIt>CorrectResult
Labels: -Pri-1 -Type-Bug M-54 Findit-for-crash Te-Logged Pri-2 Type-Bug-Regression
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
Author: wangxianzhu@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/279226447e8a2c2f78f5c1cfd02e481b669fe92b
Time: Wed Aug 05 17:15:27 2015
The CL last changed line 1821 of file ComputedStyle.cpp, which is stack frame 0.

Author: wangxianzhu@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/279226447e8a2c2f78f5c1cfd02e481b669fe92b
Time: Wed Aug 05 17:15:27 2015
The CL last changed line 809 of file InlineFlowBox.cpp, which is stack frame 1.

@wangxianzhu: Assigning to you, request you to please take a look into it. Please help us to reassign if not with respect to your changes.

Thanks.!
Status: WontFix (was: Assigned)
Project Member

Comment 3 by ClusterFuzz, Aug 11 2016

ClusterFuzz has detected this issue as fixed in range 410916:411073.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5714309370085376

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::ComputedStyle::outlineOutsetExtent
  blink::InlineFlowBox::addOutlineVisualOverflow
  blink::InlineFlowBox::computeOverflow
  
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=410916:411073

Minimized Testcase (0.42 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96uP1X0BUv0aTnsLhuFem5oTpk-FZB8PB-cBa6LbafoxURJmeB7k1jacIkYgNSu4l_lN6fFuNoEE730tIV_Tt1m1nRkEUlpwjGu2YiUefo8HjVrleEwpuU8YHcecXZozXMBDpXrBpReNwidPklHKWYMUBB7aA?testcase_id=5714309370085376

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.
Project Member

Comment 4 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

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