New issue
Advanced search Search tips

Issue 667157 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

Use-of-uninitialized-value in v8::internal::compiler::Node::New

Project Member Reported by ClusterFuzz, Nov 21 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6744765019455488

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::Node::New
  v8::internal::compiler::Graph::NewNode
  v8::internal::compiler::AllocationBuilder::AllocateArray
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=431896:432153

Minimized Testcase (0.26 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97YnekPiqwFm50uSvpXYln_p_0de0vxronweE80beeKpLrLiDdR33g8akbqPJLoOsT69gShxDlxlng6GATetlyL4gwjoADUfwY4A-UM9U_b7TK5zlaxk7duPkpq1GE7cn7m-Y30qUPxpIcbFI0LCYlHWWETpg?testcase_id=6744765019455488
function __f_12() {
  var __v_8 = [];
  var __v_5 = [, true, false, null, , undefined, NaN];
  var __v_9 = 0;
  for (var __v_12 of __v_5.entries()) {
    __v_8[__v_9++] = __v_12;
  }
  for (var __v_9 = 0; __v_9 < __v_8.length; __v_9++) {
  }

    __f_12();
  
}
__f_12();


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Nov 21 2016

ClusterFuzz has detected this issue as fixed in range 433443:433470.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6744765019455488

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::Node::New
  v8::internal::compiler::Graph::NewNode
  v8::internal::compiler::AllocationBuilder::AllocateArray
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=431896:432153
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=433443:433470

Minimized Testcase (0.26 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97YnekPiqwFm50uSvpXYln_p_0de0vxronweE80beeKpLrLiDdR33g8akbqPJLoOsT69gShxDlxlng6GATetlyL4gwjoADUfwY4A-UM9U_b7TK5zlaxk7duPkpq1GE7cn7m-Y30qUPxpIcbFI0LCYlHWWETpg?testcase_id=6744765019455488
function __f_12() {
  var __v_8 = [];
  var __v_5 = [, true, false, null, , undefined, NaN];
  var __v_9 = 0;
  for (var __v_12 of __v_5.entries()) {
    __v_8[__v_9++] = __v_12;
  }
  for (var __v_9 = 0; __v_9 < __v_8.length; __v_9++) {
  }

    __f_12();
  
}
__f_12();


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 2 by ClusterFuzz, Nov 21 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
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 3 by sheriffbot@chromium.org, Nov 21 2016

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 4 by sheriffbot@chromium.org, Feb 27 2017

Labels: -Restrict-View-SecurityNotify allpublic
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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

Sign in to add a comment