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Issue metadata

Status: Verified
Owner: ----
Closed: Dec 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in int WTF::toIntegralType<int, unsigned char>

Project Member Reported by ClusterFuzz, Nov 18 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4760679962902528

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  int WTF::toIntegralType<int, unsigned char>
  toInt
  blink::HTMLTableColElement::parseAttribute
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370022:370027

Minimized Testcase (0.13 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv979qjC_gC2om3Q7__dgaThqlkZnsTLGR3FHcIOMc-XfnO4mCllF3p-D7yP6GYjm7bc1Rp9PYbondbSshdNzfDEmwNP3og5DWS0v1olJuH75MTpZH2jwNK_5ment-J76azxLbCeNbLo7KVFizB-SmNjI-awKHw?testcase_id=4760679962902528
<script>
function jsfuzzer() {
 htmlvar00009.width = "-2147483648"; 
}
</script>
<body onload=jsfuzzer()>
<table>
<col id="htmlvar00009">


Issue filed automatically.

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

Comment 1 by ajha@chromium.org, Nov 18 2016

Labels: M-55
Project Member

Comment 2 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
Project Member

Comment 3 by ClusterFuzz, Dec 14 2016

ClusterFuzz has detected this issue as fixed in range 435261:438085.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4760679962902528

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  int WTF::toIntegralType<int, unsigned char>
  toInt
  blink::HTMLTableColElement::parseAttribute
  
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=435261:438085

Minimized Testcase (0.13 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv979qjC_gC2om3Q7__dgaThqlkZnsTLGR3FHcIOMc-XfnO4mCllF3p-D7yP6GYjm7bc1Rp9PYbondbSshdNzfDEmwNP3og5DWS0v1olJuH75MTpZH2jwNK_5ment-J76azxLbCeNbLo7KVFizB-SmNjI-awKHw?testcase_id=4760679962902528
<script>
function jsfuzzer() {
 htmlvar00009.width = "-2147483648"; 
}
</script>
<body onload=jsfuzzer()>
<table>
<col id="htmlvar00009">


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 ClusterFuzz, Dec 14 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4760679962902528 is verified as fixed, so closing issue.

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

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