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Issue metadata

Status: Duplicate
Merged: issue 605488
Owner:
Closed: May 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



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Use-of-uninitialized-value in v8::InstantiateModuleFromAsm

Project Member Reported by ClusterFuzz, Apr 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5640835084845056

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::InstantiateModuleFromAsm
  v8::internal::FunctionCallbackArguments::Call
  v8::internal::HandleApiCallHelper
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=379854:379903

Minimized Testcase (0.16 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv940u_mqW1j4WQdOloIc8-lih1RHgxRU7DHJqLtOT16ApzVn4d1NrRMFsS8k7oEDSLRJiCmb8H4of6xO-mUez_GwsdIX63HAfDlAjHmv8ZbGH3DK1UjEpUVDf51VnfikH7pcbb2o55Nsc9gWJwjkIFYmOfivfw
var __v_42 = "";
try {
} catch(e) {; }
    __v_2 = __v_42;
    var module = Wasm.instantiateModuleFromAsm(__v_2);
( {
})();
( {
})();
(function __f_4() {
})();


Filer: jkummerow

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: ahaas@chromium.org
Owner: titzer@chromium.org
Status: Assigned (was: Available)
Mergedinto: 605488
Status: Duplicate (was: Assigned)
Project Member

Comment 3 by ClusterFuzz, May 4 2016

ClusterFuzz has detected this issue as fixed in range 391361:391404.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5640835084845056

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::InstantiateModuleFromAsm
  v8::internal::FunctionCallbackArguments::Call
  v8::internal::HandleApiCallHelper
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=379854:379903
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_msan_d8&range=391361:391404

Minimized Testcase (0.16 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv940u_mqW1j4WQdOloIc8-lih1RHgxRU7DHJqLtOT16ApzVn4d1NrRMFsS8k7oEDSLRJiCmb8H4of6xO-mUez_GwsdIX63HAfDlAjHmv8ZbGH3DK1UjEpUVDf51VnfikH7pcbb2o55Nsc9gWJwjkIFYmOfivfw
var __v_42 = "";
try {
} catch(e) {; }
    __v_2 = __v_42;
    var module = Wasm.instantiateModuleFromAsm(__v_2);
( {
})();
( {
})();
(function __f_4() {
})();


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 sheriffbot@chromium.org, Aug 10 2016

Labels: -Restrict-View-SecurityTeam
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, Oct 1 2016

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 6 by sheriffbot@chromium.org, Oct 2 2016

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
Labels: allpublic

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