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Issue 668010 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Not working on Chrome any more
Closed: Nov 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug



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Stack-overflow in blink::StyleResolver::styleSharingList

Project Member Reported by ClusterFuzz, Nov 23 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6422423965794304

Fuzzer: attekett_dom_fuzzer
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Stack-overflow
Crash Address: 0x7fff590a1ff8
Crash State:
  blink::StyleResolver::styleSharingList
  blink::StyleResolver::addToStyleSharingList
  blink::SharedStyleFinder::findElementForStyleSharing
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=428618:428619

Minimized Testcase (0.21 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96KCFtkNWVUZllrz7WyROdbeUY_W3RhX-18N_NrPmR1C9sq4FNtaMZ_KtxbQ3Qwf8xlDnxzIzipLaoz-o-pzXLxGYxrFcaI-AzAd1i0rYZXIXPqcpgvF22IWWpRc-OUnKph_Ai7OTM2LrSdOL3wx_8TSy67NA?testcase_id=6422423965794304
<body>
<script>
{
}
  depth = 100000;
var lastParent = document.body
for (var x = 0; x < depth; x++) {
  var div = document.createElement("div");
  lastParent.appendChild(div);
  lastParent = div;
}
</script>


Issue manually filed by: alancutter

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink>CSS
Labels: -Pri-1 Pri-2

Comment 2 by suzyh@chromium.org, Nov 23 2016

Status: Available (was: Untriaged)
This report suggests it is a regression but is only giving a single patch, which seems completely unrelated, in the regression range. So I'll leave it as Type=Bug.

Comment 3 by suzyh@chromium.org, Nov 23 2016

Owner: meade@chromium.org
Status: Assigned (was: Available)
Project Member

Comment 4 by ClusterFuzz, Nov 24 2016

ClusterFuzz has detected this issue as fixed in range 434178:434216.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6422423965794304

Fuzzer: attekett_dom_fuzzer
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Stack-overflow
Crash Address: 0x7fff590a1ff8
Crash State:
  blink::StyleResolver::styleSharingList
  blink::StyleResolver::addToStyleSharingList
  blink::SharedStyleFinder::findElementForStyleSharing
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=428618:428619
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=434178:434216

Minimized Testcase (0.21 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96KCFtkNWVUZllrz7WyROdbeUY_W3RhX-18N_NrPmR1C9sq4FNtaMZ_KtxbQ3Qwf8xlDnxzIzipLaoz-o-pzXLxGYxrFcaI-AzAd1i0rYZXIXPqcpgvF22IWWpRc-OUnKph_Ai7OTM2LrSdOL3wx_8TSy67NA?testcase_id=6422423965794304
<body>
<script>
{
}
  depth = 100000;
var lastParent = document.body
for (var x = 0; x < depth; x++) {
  var div = document.createElement("div");
  lastParent.appendChild(div);
  lastParent = div;
}
</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 5 by ClusterFuzz, Nov 24 2016

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

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Cc: msrchandra@chromium.org
 Issue 671903  has been merged into this issue.

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