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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::Member<blink::IdTargetObserver> const* WTF::HashTable<blink::Member<blink

Project Member Reported by ClusterFuzz, Nov 8 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5352572006432768

Fuzzer: attekett_surku_fuzzer
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::Member<blink::IdTargetObserver> const* WTF::HashTable<blink::Member<blink
  lookup<WTF::IdentityHashTranslator<WTF::MemberHash<blink::IdTargetObserver>
  find<WTF::IdentityHashTranslator<WTF::MemberHash<blink::IdTargetObserver>
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=430516:430550

Minimized Testcase (0.29 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96n-0-8gpM9FUjB9G-nc8RCq70Ho0dIOb-fwyV6N3CmARnZSjvjPm_t45NCTBAK7fqu_gAy1ofxavtmPxQ8SembsaM4Jr7fzaNAo6Dptpyw5080P8khKTldDqFRgIqY6Zbzcaa6Amhv3b4G7kk9lO-VwGHE4Q?testcase_id=5352572006432768
<img style="-webkit-filter: url(#flood); filter: url(#flood);" src="resources/reference.png">
<img style="-webkit-filter: url(#blurY); filter: url(#blurY);>
<img style="-webkit-filter: url(#merge);">
<img style="-webkit-filter: url(#flood); filter: url(#flood);" src="resources/reference.png">


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 9 2016

ClusterFuzz has detected this issue as fixed in range 430773:430834.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5352572006432768

Fuzzer: attekett_surku_fuzzer
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::Member<blink::IdTargetObserver> const* WTF::HashTable<blink::Member<blink
  lookup<WTF::IdentityHashTranslator<WTF::MemberHash<blink::IdTargetObserver>
  find<WTF::IdentityHashTranslator<WTF::MemberHash<blink::IdTargetObserver>
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=430516:430550
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=430773:430834

Minimized Testcase (0.29 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96n-0-8gpM9FUjB9G-nc8RCq70Ho0dIOb-fwyV6N3CmARnZSjvjPm_t45NCTBAK7fqu_gAy1ofxavtmPxQ8SembsaM4Jr7fzaNAo6Dptpyw5080P8khKTldDqFRgIqY6Zbzcaa6Amhv3b4G7kk9lO-VwGHE4Q?testcase_id=5352572006432768
<img style="-webkit-filter: url(#flood); filter: url(#flood);" src="resources/reference.png">
<img style="-webkit-filter: url(#blurY); filter: url(#blurY);>
<img style="-webkit-filter: url(#merge);">
<img style="-webkit-filter: url(#flood); filter: url(#flood);" src="resources/reference.png">


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 9 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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