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Issue metadata

Status: Fixed
Owner:
Closed: May 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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!v8::internal::FLAG_enable_slow_asserts || (object->IsSmi()) in src/objects-inl.

Project Member Reported by ClusterFuzz, Apr 12 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5923456398393344

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !v8::internal::FLAG_enable_slow_asserts || (object->IsSmi()) in src/objects-inl.
  
Regressed: V8: r35398:35399

Minimized Testcase (0.11 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96wz9VRb2VjDJFOsjWL1cmTN8dp9mBj9fCLdatpWHZrQl71l1VV5CTsr8g7MtfO9Tbd8DUuYvJc1Rb2bN-vOnALS6PvSeaVv-lWMlZJMDhwosj5tPKPjBGDfx8fMk79MmA10D2gng9LdoXYulvJt3dhHv2VhA
function __f_2() {
  var __v_2 = [10];
  try {
    __f_2();
  } catch(e) {
    __v_2.map();
  }
}
__f_2();
( {
})();


Filer: ishell

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: jarin@chromium.org
Status: Assigned (was: Available)
Bisects to shipping try-catch.

Comment 2 by jarin@chromium.org, Apr 12 2016

Cc: -mstarzinger@chromium.org jarin@chromium.org
Owner: mstarzinger@chromium.org
It is an escape analysis bug.
Project Member

Comment 3 by ClusterFuzz, Apr 16 2016

ClusterFuzz has detected this issue as fixed in range 35520:35521.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5923456398393344

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !v8::internal::FLAG_enable_slow_asserts || (object->IsSmi()) in src/objects-inl.
  
Regressed: V8: r35398:35399
Fixed: V8: r35520:35521

Minimized Testcase (0.11 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96wz9VRb2VjDJFOsjWL1cmTN8dp9mBj9fCLdatpWHZrQl71l1VV5CTsr8g7MtfO9Tbd8DUuYvJc1Rb2bN-vOnALS6PvSeaVv-lWMlZJMDhwosj5tPKPjBGDfx8fMk79MmA10D2gng9LdoXYulvJt3dhHv2VhA
function __f_2() {
  var __v_2 = [10];
  try {
    __f_2();
  } catch(e) {
    __v_2.map();
  }
}
__f_2();
( {
})();


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.
Oops, messed up the linking, this revision contains the fix:

https://chromium.googlesource.com/v8/v8/+/7cef5593e45eeb505f1aa3f04d3974b18c86ac20
Status: Fixed (was: Assigned)
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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