This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

ClusterFuzz has detected this issue as fixed in range 441108:441112.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6539455927418880

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::internal::compiler::ScheduleLateNodeVisitor::ScheduleRegion
  v8::internal::compiler::ScheduleLateNodeVisitor::ProcessQueue
  v8::internal::compiler::Scheduler::ScheduleLate
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=440451:440490
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=441108:441112

Minimized Testcase (0.23 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97hnLeXSARbv0Djid1KT4qXZx9Vd4bMnF-Ljh0IjxJv5PW6dd07-7z4cXwlvGT0TZ0r2RJV4astysg8YkUHLmkuZpclfyAwJp8uMY_o0qETQ0J4SO2FQ54bvzlbZ00QNxf9jW9ggLVINT-LObphrW8I6xYNkg6v4EyA6mTcuvNDFPWmn5x7GAf-iNEAOMN15BeVwCc9Nk6DR3rHSApJDoYqFL6N48gKYr4pepQ9odmGV3bNVZFepuY44huHX0v-bylyhtYQxcef-7_WOnYxIa8e1LrgEqy3reg_bpWK3buEsPOQUnSaDso9mGLPApVY30koiJoy2PDGCN09WafNuS7D9cW3h9wHHpyNKE8_a85bMjQIndw?testcase_id=6539455927418880
try {
} catch(e) {; }
function __f_3() {
  var __v_4 = {x:0};
  for (var __v_3 = 0; __v_4.x < 1;) {
    __v_4.x++;
    __v_3+= 1;
  }
 function __f_4() {__v_3};
 __v_3 = __v_4;
}
__f_3();
%OptimizeFunctionOnNextCall(__f_3);
__f_3();


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.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot