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Issue metadata

Status: Fixed
Owner:
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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!AreAliased(args_reg, scratch1, scratch2, scratch3) in code-generator-x64.cc

Project Member Reported by ClusterFuzz, Jan 26 2017

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4867648912621568

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_turbo_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !AreAliased(args_reg, scratch1, scratch2, scratch3) in code-generator-x64.cc
  
Sanitizer: address (ASAN)

Regressed: V8: 42679:42680

Minimized Testcase (0.15 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv955mKBNhYJEBaAPaXC-eNER1UXbbbEh3SbxbFOjLCKQDVHMILmOxMQXm-3JE1MNQOf5PFO9oHte45lD_-I-ZH1wCfSjw-zMWC6beyuIwN6vpct8iemSJ61E9ovPLbwOV3ERypSsliRuk62D_wRVzqXPCNPmpa6nSafJTSYeOscku4WGTQO0PocXZGUAKQiCDO0K-s1TP5Jj4NEiFPIHsAPGYDJVlwJW6a5rG_uAKl5IBM1BJg40jQO-OsFD6DCLEm3-seFp1CUcbRLnZ9U7SpJbxV9NvosECbm2GXnFT73x9vgJwOOUrExU71CAls5RRtCQTwAO-M9MC-vcWcEQ38kxtJdCHGyF4LettoXvwakq_0cqWZA?testcase_id=4867648912621568
"use strict";
var __v_13 = {};
function __f_14() {
    return [].push.apply(__v_13, arguments);
}
__f_14();
%OptimizeFunctionOnNextCall(__f_14);
__f_14();


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: jarin@chromium.org
Owner: bmeu...@chromium.org
Status: Assigned (was: Untriaged)
Regression range points to 69747e2658f1de973ba75c60fe31b402bd6031a5.
Status: Fixed (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Jan 27 2017

ClusterFuzz has detected this issue as fixed in range 42712:42713.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4867648912621568

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_turbo_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !AreAliased(args_reg, scratch1, scratch2, scratch3) in code-generator-x64.cc
  
Sanitizer: address (ASAN)

Regressed: V8: 42679:42680
Fixed: V8: 42712:42713

Minimized Testcase (0.15 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv955mKBNhYJEBaAPaXC-eNER1UXbbbEh3SbxbFOjLCKQDVHMILmOxMQXm-3JE1MNQOf5PFO9oHte45lD_-I-ZH1wCfSjw-zMWC6beyuIwN6vpct8iemSJ61E9ovPLbwOV3ERypSsliRuk62D_wRVzqXPCNPmpa6nSafJTSYeOscku4WGTQO0PocXZGUAKQiCDO0K-s1TP5Jj4NEiFPIHsAPGYDJVlwJW6a5rG_uAKl5IBM1BJg40jQO-OsFD6DCLEm3-seFp1CUcbRLnZ9U7SpJbxV9NvosECbm2GXnFT73x9vgJwOOUrExU71CAls5RRtCQTwAO-M9MC-vcWcEQ38kxtJdCHGyF4LettoXvwakq_0cqWZA?testcase_id=4867648912621568
"use strict";
var __v_13 = {};
function __f_14() {
    return [].push.apply(__v_13, arguments);
}
__f_14();
%OptimizeFunctionOnNextCall(__f_14);
__f_14();


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.

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