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Issue 664810 link

Starred by 1 user
Status: Verified
Owner: ----
Closed: Nov 2016
Cc:
rmcilroy@chromium.org
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::LayoutObject::setMayNeedPaintInvalidation

Project Member Reported by ClusterFuzz, Nov 13 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5164456398290944

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_chrome_v8_arm_ignition
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000021
Crash State:
  blink::LayoutObject::setMayNeedPaintInvalidation
  blink::PaintInvalidationCapableScrollableArea::scrollControlWasSetNeedsPaintInva
  blink::ScrollableArea::setScrollbarNeedsPaintInvalidation
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm_ignition&range=431655:431691

Minimized Testcase (0.30 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95Q9dW8mpYRYaVOpNo5bDM3H8bq8jTJuRfTTfqw02cS1y2dypWEwsKUQM62Ci6Ze78vpR3LI1JvTUbfvEhQrza4VUtfaXXCMPGM1j9Z1dwzQoNi6_LuTVwb6o1bvgfGkBJtT1qrf5Cf06P_nr2DYsAx2d6PFg?testcase_id=5164456398290944
<body onload="__f_31();">
    <script>
function __f_0() {
  document.designMode = "on";
  document.open();
  var __v_0 = document.appendChild(document.createElement('iframe'));
  __v_0.focus();
  document.execCommand("InsertHorizontalRule");
}
 runTest = __f_0; 
function __f_31() {
 runTest(); 
}
</script>


Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 14 2016 

ClusterFuzz has detected this issue as fixed in range 431813:431819.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5164456398290944

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_chrome_v8_arm_ignition
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000021
Crash State:
  blink::LayoutObject::setMayNeedPaintInvalidation
  blink::PaintInvalidationCapableScrollableArea::scrollControlWasSetNeedsPaintInva
  blink::ScrollableArea::setScrollbarNeedsPaintInvalidation
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm_ignition&range=431655:431691
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm_ignition&range=431813:431819

Minimized Testcase (0.30 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95Q9dW8mpYRYaVOpNo5bDM3H8bq8jTJuRfTTfqw02cS1y2dypWEwsKUQM62Ci6Ze78vpR3LI1JvTUbfvEhQrza4VUtfaXXCMPGM1j9Z1dwzQoNi6_LuTVwb6o1bvgfGkBJtT1qrf5Cf06P_nr2DYsAx2d6PFg?testcase_id=5164456398290944
<body onload="__f_31();">
    <script>
function __f_0() {
  document.designMode = "on";
  document.open();
  var __v_0 = document.appendChild(document.createElement('iframe'));
  __v_0.focus();
  document.execCommand("InsertHorizontalRule");
}
 runTest = __f_0; 
function __f_31() {
 runTest(); 
}
</script>


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 2 by ClusterFuzz, Nov 14 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase is verified as fixed, closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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
►

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