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Issue 665112 link

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Issue metadata

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



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static_cast<uint32_t>(dict->NumberOfElements()) <= size in objects-debug.cc

Project Member Reported by ClusterFuzz, Nov 14 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5754855756136448

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  static_cast<uint32_t>(dict->NumberOfElements()) <= size in objects-debug.cc
  
Regressed: V8: r40968:40969

Minimized Testcase (2.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94YTG5AQd3J06qo-6Wh4n_lC1k9z8w-gslYyRrQWFGcxlRUYEjH2-kGScR0uC-nhCJoRVsvwHkXfqTrSUZJN-aenkyjOXCdDh0tzb-sdze72_pgZIELscEMWN_3_r07hC2-pQtfQA1qwsM1UBCD7qcZD8XU9g?testcase_id=5754855756136448

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Labels: Test-Predator-Wrong
Owner: cbruni@chromium.org
Status: Assigned (was: Untriaged)
cbruni @ could you please look into this.please feel free to re-assigned back if needed. thanks in advance !
Project Member

Comment 2 by bugdroid1@chromium.org, Nov 15 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/3a91f8af1aaa096c7042e2f4105802badf7dab3e

commit 3a91f8af1aaa096c7042e2f4105802badf7dab3e
Author: cbruni <cbruni@chromium.org>
Date: Tue Nov 15 16:09:25 2016

[heap-verify] Allow for temporary invalid array length for slow elements

R=jkummerow@chromium.org
BUG= chromium:665112 

Review-Url: https://codereview.chromium.org/2501303002
Cr-Commit-Position: refs/heads/master@{#41002}

[modify] https://crrev.com/3a91f8af1aaa096c7042e2f4105802badf7dab3e/src/objects-debug.cc

Project Member

Comment 3 by ClusterFuzz, Nov 18 2016

ClusterFuzz has detected this issue as fixed in range 41001:41002.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5754855756136448

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  static_cast<uint32_t>(dict->NumberOfElements()) <= size in objects-debug.cc
  
Regressed: V8: r40968:40969
Fixed: V8: r41001:41002

Minimized Testcase (2.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94YTG5AQd3J06qo-6Wh4n_lC1k9z8w-gslYyRrQWFGcxlRUYEjH2-kGScR0uC-nhCJoRVsvwHkXfqTrSUZJN-aenkyjOXCdDh0tzb-sdze72_pgZIELscEMWN_3_r07hC2-pQtfQA1qwsM1UBCD7qcZD8XU9g?testcase_id=5754855756136448

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 bugdroid1@chromium.org, Nov 18 2016

Labels: merge-merged-5.6
The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/3a91f8af1aaa096c7042e2f4105802badf7dab3e

commit 3a91f8af1aaa096c7042e2f4105802badf7dab3e
Author: cbruni <cbruni@chromium.org>
Date: Tue Nov 15 16:09:25 2016

[heap-verify] Allow for temporary invalid array length for slow elements

R=jkummerow@chromium.org
BUG= chromium:665112 

Review-Url: https://codereview.chromium.org/2501303002
Cr-Commit-Position: refs/heads/master@{#41002}

[modify] https://crrev.com/3a91f8af1aaa096c7042e2f4105802badf7dab3e/src/objects-debug.cc

Project Member

Comment 5 by ClusterFuzz, Nov 18 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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