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Issue metadata

Status: Verified
Owner: ----
Closed: Jul 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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header->checkHeader()

Project Member Reported by ClusterFuzz, Jul 13 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6414975690342400

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  header->checkHeader()
  blink::HeapObjectHeader::fromPayload
  blink::Member<blink::InstrumentingAgents::AgentsList<blink::InspectorNetworkAgen
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=404631:404810

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Fox7lkn0fIaJYxAGxTEP3Sef6_05YX4Vr8itWRvX3wXbt4DD5oUArj-Z0JgQypB187ikP3qs0qq68pkU-7p4As-_NdU67w3kSHhJyhLmw0IaGCNR6WvGdqFPd7Ttm2PeTsTSl88ptMkY0sZAf5aM1Vmxasg?testcase_id=6414975690342400

Filer: brajkumar

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink>DOM
Labels: -Pri-1 findit-for-crash Te-Logged Pri-2
Owner: pilgrim@chromium.org
Status: Assigned (was: Available)
The result is a list of CLs that change the crashed files.

Author: pilgrim
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/9639f3cbd3fccd1aeee5c320f56cdfdf023ee99f
Time: Mon Jul 11 21:23:22 2016
Lines 1734 of file Document.cpp which potentially caused crash are changed in this cl (frame #6, "blink::Document::updateStyleAndLayoutTree").
Minimum distance from crash line to modified line: 0. (file: Document.cpp, crashed on: 1734, modified: 1734).

Suspected Project: chromium
Suspected Component: Blink>DOM
===============================

pilgrim@: Could you please look into this issue if it is related to your change, else please help us in assigning it to the right owner.

Thanks!
Owner: ----
Does not appear related. I did change one line in updateStyleaAndLayoutTree but this crash log shows it never reaches the code I changed. It's crashing during InspectorInstrumentation::StyleRecalc instrumentation(this); (line 1703 in my local tree)

Nothing else in the regression list jumps out at me. Sorry I can't be more help.
Project Member

Comment 3 by ClusterFuzz, Jul 14 2016

ClusterFuzz has detected this issue as fixed in range 404849:404862.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6414975690342400

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  header->checkHeader()
  blink::HeapObjectHeader::fromPayload
  blink::Member<blink::InstrumentingAgents::AgentsList<blink::InspectorNetworkAgen
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=404631:404810
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=404849:404862

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Fox7lkn0fIaJYxAGxTEP3Sef6_05YX4Vr8itWRvX3wXbt4DD5oUArj-Z0JgQypB187ikP3qs0qq68pkU-7p4As-_NdU67w3kSHhJyhLmw0IaGCNR6WvGdqFPd7Ttm2PeTsTSl88ptMkY0sZAf5aM1Vmxasg?testcase_id=6414975690342400

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, Jul 14 2016

ClusterFuzz has detected this issue as fixed in range 404849:404862.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6414975690342400

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  header->checkHeader()
  blink::HeapObjectHeader::fromPayload
  blink::Member<blink::InstrumentingAgents::AgentsList<blink::InspectorNetworkAgen
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=404631:404810
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_chrome&range=404849:404862

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Fox7lkn0fIaJYxAGxTEP3Sef6_05YX4Vr8itWRvX3wXbt4DD5oUArj-Z0JgQypB187ikP3qs0qq68pkU-7p4As-_NdU67w3kSHhJyhLmw0IaGCNR6WvGdqFPd7Ttm2PeTsTSl88ptMkY0sZAf5aM1Vmxasg?testcase_id=6414975690342400

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, Jul 14 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.
Project Member

Comment 6 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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