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Issue metadata

Status: Fixed
Owner:
Last visit > 30 days ago
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Unreachable code in src/wasm/wasm-opcodes.h

Project Member Reported by ClusterFuzz, Apr 19 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5705855437111296

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: Unreachable code
Crash Address: 
Crash State:
  src/wasm/wasm-opcodes.h
  

Minimized Testcase (0.23 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv977rnNeGFKftQFuX2NohqgG3iB9bEhcs3CR_uSrUalA1NveGSozY1QQXTpKeNIdkKc3rdit6Tgr80MdHUm--0aTtt_oL1JTTAKTa1xxc_BVBGKq6mk9IHjWv7UapkvwvScbtF0QgTJGNfnwHjTyeweCyZzhmg
function __f_82(stdlib, buffer) {
  "use asm";
  var __v_37 = new stdlib.Float64Array(buffer);
  function __f_41() {
    __v_37 = __v_37;
  }
  return {__f_41: __f_41};
}
 Wasm.instantiateModuleFromAsm( __f_82.toString());
( {
})();


Filer: mstarzinger

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: titzer@chromium.org
Status: Assigned (was: Available)
Cc: titzer@chromium.org
Components: -Blink>JavaScript Blink>JavaScript>WebAssembly
Labels: BlocksAsmWasmRelease
Owner: bradnelson@chromium.org
Labels: -BlocksAsmWasmRelease BlocksAsmWasmLaunch
Labels: -Pri-1 Pri-2
Project Member

Comment 5 by ClusterFuzz, Jun 28 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=5705855437111296

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: Unreachable code
Crash Address: 
Crash State:
  src/wasm/wasm-opcodes.h
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95T8yKDpH_CMWqVFKIAP64pTK38LsPq6i0nqHj_EWcYtj0l2eEQ5Mfm9NzXmWDqOoJoIKDOHcY0pQ2eRAA8taNQgYxztsLc1mr3qVd6fbW-zHomVwrsxk28a2WF889UeB1RCT_8fVTXGOEorzOq_0X6cq2kMOaoPVK13NsBQ7vOBL1NEcg?testcase_id=5705855437111296


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 7 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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