New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 667050 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Dec 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



Sign in to add a comment

Direct-leak in v8::internal::wasm::DecodeWasmModule

Project Member Reported by ClusterFuzz, Nov 19 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6101207052713984

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  v8::internal::wasm::DecodeWasmModule
  v8::internal::wasm::CreateModuleObjectFromBytes
  v8::internal::AsmJs::ConvertAsmToWasm
  
Regressed: V8: r40433:40434

Minimized Testcase (0.32 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv9402sY--QlpGprnFy-jLhVHM4xpeSr4eGaoOoX3b-L5EflyH9AUN750AZlIsyBQ0bVMm902TNWUVJCWOnInNV-Pqpu2T_gh3JL-sPPwTvgD625AvKY05Dc-kUINWU74Ami9SKjHyWAplKs8IBAZHO8yfsZB4A?testcase_id=6101207052713984
var __v_6 = {};
try {
 if (!__f_7()) {; } ;
} catch(e) {; }
function __f_3() {
  "use asm";
  function __f_4() {
  }
  return {__f_4: __f_4};
}
__f_3();
function __f_7() {
  "use asm";
  function __f_4() {
  }
  return {__f_4: __f_4};
}
function __f_15() {
   try {
     __f_15();
   } catch(e) {
       __f_3();
   }
}
  __f_15();


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: bradnelson@chromium.org
Owner: titzer@chromium.org
Status: Assigned (was: Untriaged)
Regression range points to 418b239f0b379cbf97bc74b93a31d61382a1ed13, but that might be a red herring.
Project Member

Comment 2 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
Project Member

Comment 3 by ClusterFuzz, Dec 1 2016

ClusterFuzz has detected this issue as fixed in range 41387:41388.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6101207052713984

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  v8::internal::wasm::DecodeWasmModule
  v8::internal::wasm::CreateModuleObjectFromBytes
  v8::internal::AsmJs::ConvertAsmToWasm
  
Regressed: V8: r40433:40434
Fixed: V8: r41387:41388

Minimized Testcase (0.32 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv9402sY--QlpGprnFy-jLhVHM4xpeSr4eGaoOoX3b-L5EflyH9AUN750AZlIsyBQ0bVMm902TNWUVJCWOnInNV-Pqpu2T_gh3JL-sPPwTvgD625AvKY05Dc-kUINWU74Ami9SKjHyWAplKs8IBAZHO8yfsZB4A?testcase_id=6101207052713984
var __v_6 = {};
try {
 if (!__f_7()) {; } ;
} catch(e) {; }
function __f_3() {
  "use asm";
  function __f_4() {
  }
  return {__f_4: __f_4};
}
__f_3();
function __f_7() {
  "use asm";
  function __f_4() {
  }
  return {__f_4: __f_4};
}
function __f_15() {
   try {
     __f_15();
   } catch(e) {
       __f_3();
   }
}
  __f_15();


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 ClusterFuzz, Dec 1 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase is verified as fixed, closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Sign in to add a comment