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Issue metadata

Status: Fixed
Owner:
Closed: May 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Unreachable code in src/compiler/escape-analysis.cc

Project Member Reported by ClusterFuzz, Apr 6 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5299451794554880

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: Unreachable code
Crash Address: 
Crash State:
  src/compiler/escape-analysis.cc
  
Regressed: V8: r35258:35259

Minimized Testcase (0.13 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95JBZTv-DdXOUpKIpU4mvKYkp_Ad35ZQKDQWENUkYE33JBAk7IJXSfP5ADp8yJFSnnHy2RKB_vrwgOb5wXgetrEozxtPZsUmrYK2e3SoV3DD7Y10bYvXALY4dSOIZ9-q7fp8B7c-D5hHIkNxNU1fYw8TzB7ig
function nop() {}
function __f_0(a,b,c,d) { return [ ...(nop(), [c])]; }
[], __f_0();
%OptimizeFunctionOnNextCall(__f_0);
[], __f_0();


Filer: hablich

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: jarin@chromium.org
Status: Assigned (was: Available)
Project Member

Comment 2 by ClusterFuzz, Apr 7 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4856542588829696

Fuzzer: mbarbella_js_mutation
Job Type: linux_v8_d8_tot
Platform Id: linux

Crash Type: Unreachable code
Crash Address: 
Crash State:
  v8/src/compiler/escape-analysis.cc
  
Regressed: V8: r34231:34248

Minimized Testcase (0.12 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94-oNri6QNCROgQ2zMui9KRJbOvabAgdyMBhkvqu5cWUaKNe4hc7KarLiJiRR66Z4AFQrFXspFCR0oDwWfx8aadhsaTVxagMF8pVIHYQMkwVqeY1JDVRW4HnCbq_lnJcSirg8lKiS4SARKStDZ4IkhUsIe76Q
function __f_2(x) { return x; }
null == new __f_2();
  function __f_8() {
    assertFalse(void 0 == new __f_2());
  }
  __f_8();


Filer: ishell

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

Comment 3 by jarin@chromium.org, Apr 8 2016

Cc: jarin@chromium.org
Owner: mstarzinger@chromium.org
Project Member

Comment 4 by ClusterFuzz, Apr 15 2016

ClusterFuzz has detected this issue as fixed in range 35520:35521.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5299451794554880

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: Unreachable code
Crash Address: 
Crash State:
  src/compiler/escape-analysis.cc
  
Regressed: V8: r35258:35259
Fixed: V8: r35520:35521

Minimized Testcase (0.13 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95JBZTv-DdXOUpKIpU4mvKYkp_Ad35ZQKDQWENUkYE33JBAk7IJXSfP5ADp8yJFSnnHy2RKB_vrwgOb5wXgetrEozxtPZsUmrYK2e3SoV3DD7Y10bYvXALY4dSOIZ9-q7fp8B7c-D5hHIkNxNU1fYw8TzB7ig
function nop() {}
function __f_0(a,b,c,d) { return [ ...(nop(), [c])]; }
[], __f_0();
%OptimizeFunctionOnNextCall(__f_0);
[], __f_0();


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 5 by ClusterFuzz, Apr 16 2016

ClusterFuzz has detected this issue as fixed in range 35512:35539.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4856542588829696

Fuzzer: mbarbella_js_mutation
Job Type: linux_v8_d8_tot
Platform Id: linux

Crash Type: Unreachable code
Crash Address: 
Crash State:
  v8/src/compiler/escape-analysis.cc
  
Regressed: V8: r34231:34248
Fixed: V8: r35512:35539

Minimized Testcase (0.12 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94-oNri6QNCROgQ2zMui9KRJbOvabAgdyMBhkvqu5cWUaKNe4hc7KarLiJiRR66Z4AFQrFXspFCR0oDwWfx8aadhsaTVxagMF8pVIHYQMkwVqeY1JDVRW4HnCbq_lnJcSirg8lKiS4SARKStDZ4IkhUsIe76Q
function __f_2(x) { return x; }
null == new __f_2();
  function __f_8() {
    assertFalse(void 0 == new __f_2());
  }
  __f_8();


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.
Status: Fixed (was: Assigned)
This has been fixed by https://chromium.googlesource.com/v8/v8/+/7cef5593e45eeb505f1aa3f04d3974b18c86ac20
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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