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Issue metadata

Status: Duplicate
Merged: issue 617524
Owner:
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Crash in v8::internal::JSObject::FastPropertyAt

Project Member Reported by ClusterFuzz, Jun 8 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6695985824923648

Fuzzer: mbarbella_js_mutation
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: UNKNOWN READ
Crash Address: 0x00000003
Crash State:
  v8::internal::JSObject::FastPropertyAt
  v8::internal::LookupIterator::FetchValue
  v8::internal::LookupIterator::GetAccessors
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_asan_d8&range=398006:398017

Minimized Testcase (0.21 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95OgIgih-w5GEF7pfEFx6Do1LHx80GOjNVA8YBLJotU5I2czKa54-eY7R_CSTbXtGjI8IaAgvBgeQAtZQ711ZyYHlXan5n_3-yexoiP6Oboc-Ag4z2nh-iEsk9A-64NpF8j9K_F4phkOvzLCcml0oSjBlbqfg
try {
( {
})();
} catch(e) {"Caught: " + e; }
function __f_4(a,b,c) {
  a.a = b;
  a[1] = c;
  return a;
}
__v_6 = __f_4(new Array(5),.5);
gc();
__v_5 = __f_4(new Array(5),0,0);
__v_4 = __f_4(new Array(5),0);
 __v_4.a;


Filer: ashejole

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: ishell@chromium.org
Status: Assigned (was: Available)
Project Member

Comment 2 by ClusterFuzz, Jun 15 2016

ClusterFuzz has detected this testcase as flaky and is unable to reproduce it in the original crash revision. Skipping fixed testing check and marking it as potentially fixed.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6695985824923648

Fuzzer: mbarbella_js_mutation
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: UNKNOWN READ
Crash Address: 0x00000003
Crash State:
  v8::internal::JSObject::FastPropertyAt
  v8::internal::LookupIterator::FetchValue
  v8::internal::LookupIterator::GetAccessors
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95A7rKf9zKGmWT93NYkIYEORNieU0Yn3GkWrIY4kPQ_whUyoCnTUE_2SNPBruuacXBQl79t1eH6seqvxPlWAqnkTqQBTONirCaB0pkZUjBf144egiV5o1o_AM_GS696h2w2zoAB0tNRHxHhCOqpceFOSBylYw


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.

Comment 3 by ishell@chromium.org, Jun 15 2016

Mergedinto: 617524
Status: Duplicate (was: Assigned)
Project Member

Comment 4 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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