06c7620302
The %_OneByteSeqStringSetChar intrinsic expects its arguments to be checked before being called for efficiency reasons, but the fuzzer provided no such checks. Now the intrinsic is robust to bad input if FLAG_debug_code is set. R=yangguo@chromium.org TEST=test/mjsunit/regress/regress-320948.js BUG=chromium:320948 LOG=Y Review URL: https://codereview.chromium.org/72813004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17886 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
243 lines
7.5 KiB
JavaScript
243 lines
7.5 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Flags: --allow-natives-syntax
|
|
|
|
var RUN_WITH_ALL_ARGUMENT_ENTRIES = false;
|
|
var kOnManyArgumentsRemove = 5;
|
|
|
|
function makeArguments() {
|
|
var result = [ ];
|
|
result.push(17);
|
|
result.push(-31);
|
|
result.push(new Array(100));
|
|
result.push(new Array(100003));
|
|
result.push(Number.MIN_VALUE);
|
|
result.push("whoops");
|
|
result.push("x");
|
|
result.push({"x": 1, "y": 2});
|
|
var slowCaseObj = {"a": 3, "b": 4, "c": 5};
|
|
delete slowCaseObj.c;
|
|
result.push(slowCaseObj);
|
|
result.push(function () { return 8; });
|
|
return result;
|
|
}
|
|
|
|
var kArgObjects = makeArguments().length;
|
|
|
|
function makeFunction(name, argc) {
|
|
var args = [];
|
|
for (var i = 0; i < argc; i++)
|
|
args.push("x" + i);
|
|
var argsStr = args.join(", ");
|
|
return new Function(args.join(", "), "return %" + name + "(" + argsStr + ");");
|
|
}
|
|
|
|
function testArgumentCount(name, argc) {
|
|
for (var i = 0; i < 10; i++) {
|
|
var func = null;
|
|
try {
|
|
func = makeFunction(name, i);
|
|
} catch (e) {
|
|
if (e != "SyntaxError: Illegal access") throw e;
|
|
}
|
|
if (func === null && i == argc) {
|
|
throw "unexpected exception";
|
|
}
|
|
var args = [ ];
|
|
for (var j = 0; j < i; j++)
|
|
args.push(0);
|
|
try {
|
|
func.apply(void 0, args);
|
|
} catch (e) {
|
|
// we don't care what happens as long as we don't crash
|
|
}
|
|
}
|
|
}
|
|
|
|
function testArgumentTypes(name, argc) {
|
|
var type = 0;
|
|
var hasMore = true;
|
|
var func = makeFunction(name, argc);
|
|
while (hasMore) {
|
|
var argPool = makeArguments();
|
|
// When we have 5 or more arguments we lower the amount of tests cases
|
|
// by randomly removing kOnManyArgumentsRemove entries
|
|
var numArguments = RUN_WITH_ALL_ARGUMENT_ENTRIES ?
|
|
kArgObjects : kArgObjects-kOnManyArgumentsRemove;
|
|
if (argc >= 5 && !RUN_WITH_ALL_ARGUMENT_ENTRIES) {
|
|
for (var i = 0; i < kOnManyArgumentsRemove; i++) {
|
|
var rand = Math.floor(Math.random() * (kArgObjects - i));
|
|
argPool.splice(rand,1);
|
|
}
|
|
}
|
|
var current = type;
|
|
var hasMore = false;
|
|
var argList = [ ];
|
|
for (var i = 0; i < argc; i++) {
|
|
var index = current % numArguments;
|
|
current = (current / numArguments) << 0;
|
|
if (index != (numArguments - 1))
|
|
hasMore = true;
|
|
argList.push(argPool[index]);
|
|
}
|
|
try {
|
|
func.apply(void 0, argList);
|
|
} catch (e) {
|
|
// we don't care what happens as long as we don't crash
|
|
}
|
|
type++;
|
|
}
|
|
}
|
|
|
|
var knownProblems = {
|
|
"Abort": true,
|
|
"ThrowMessage": true,
|
|
|
|
// Avoid calling the concat operation, because weird lengths
|
|
// may lead to out-of-memory. Ditto for StringBuilderJoin.
|
|
"StringBuilderConcat": true,
|
|
"StringBuilderJoin": true,
|
|
|
|
// These functions use pseudo-stack-pointers and are not robust
|
|
// to unexpected integer values.
|
|
"DebugEvaluate": true,
|
|
|
|
// These functions do nontrivial error checking in recursive calls,
|
|
// which means that we have to propagate errors back.
|
|
"SetFunctionBreakPoint": true,
|
|
"SetScriptBreakPoint": true,
|
|
"PrepareStep": true,
|
|
|
|
// Too slow.
|
|
"DebugReferencedBy": true,
|
|
|
|
// Calling disable/enable access checks may interfere with the
|
|
// the rest of the tests.
|
|
"DisableAccessChecks": true,
|
|
"EnableAccessChecks": true,
|
|
|
|
// These functions should not be callable as runtime functions.
|
|
"NewFunctionContext": true,
|
|
"NewArgumentsFast": true,
|
|
"NewStrictArgumentsFast": true,
|
|
"PushWithContext": true,
|
|
"PushCatchContext": true,
|
|
"PushBlockContext": true,
|
|
"PushModuleContext": true,
|
|
"LazyCompile": true,
|
|
"LazyRecompile": true,
|
|
"ConcurrentRecompile": true,
|
|
"NotifyDeoptimized": true,
|
|
"NotifyStubFailure": true,
|
|
"NotifyOSR": true,
|
|
"CreateObjectLiteralBoilerplate": true,
|
|
"CloneLiteralBoilerplate": true,
|
|
"CloneShallowLiteralBoilerplate": true,
|
|
"CreateArrayLiteralBoilerplate": true,
|
|
"IS_VAR": true,
|
|
"ResolvePossiblyDirectEval": true,
|
|
"Log": true,
|
|
"DeclareGlobals": true,
|
|
"ArrayConstructor": true,
|
|
"InternalArrayConstructor": true,
|
|
"SetAccessorProperty": true,
|
|
|
|
"PromoteScheduledException": true,
|
|
"DeleteHandleScopeExtensions": true,
|
|
|
|
// Vararg with minimum number > 0.
|
|
"Call": true,
|
|
|
|
// Requires integer arguments to be non-negative.
|
|
"Apply": true,
|
|
|
|
// That can only be invoked on Array.prototype.
|
|
"FinishArrayPrototypeSetup": true,
|
|
|
|
"_SwapElements": true,
|
|
|
|
// Performance critical functions which cannot afford type checks.
|
|
"_IsNativeOrStrictMode": true,
|
|
"_CallFunction": true,
|
|
|
|
// Tries to allocate based on argument, and (correctly) throws
|
|
// out-of-memory if the request is too large. In practice, the
|
|
// size will be the number of captures of a RegExp.
|
|
"RegExpConstructResult": true,
|
|
"_RegExpConstructResult": true,
|
|
|
|
// This functions perform some checks compile time (they require one of their
|
|
// arguments to be a compile time smi).
|
|
"_DateField": true,
|
|
"_GetFromCache": true,
|
|
|
|
// This function expects its first argument to be a non-smi.
|
|
"_IsStringWrapperSafeForDefaultValueOf" : true,
|
|
|
|
// Only applicable to strings.
|
|
"_HasCachedArrayIndex": true,
|
|
"_GetCachedArrayIndex": true,
|
|
"_OneByteSeqStringSetChar": true,
|
|
"_TwoByteSeqStringSetChar": true,
|
|
|
|
// Only applicable to generators.
|
|
"_GeneratorNext": true,
|
|
"_GeneratorThrow": true,
|
|
|
|
// Only applicable to DataViews.
|
|
"DataViewInitialize": true,
|
|
"DataViewGetBuffer": true,
|
|
"DataViewGetByteLength": true,
|
|
"DataViewGetByteOffset": true
|
|
};
|
|
|
|
var currentlyUncallable = {
|
|
// We need to find a way to test this without breaking the system.
|
|
"SystemBreak": true,
|
|
// Inserts an int3/stop instruction when run with --always-opt.
|
|
"_DebugBreakInOptimizedCode": true
|
|
};
|
|
|
|
function testNatives() {
|
|
var allNatives = %ListNatives();
|
|
var start = allNatives.length >> 2;
|
|
var stop = (allNatives.length >> 2)*2;
|
|
for (var i = start; i < stop; i++) {
|
|
var nativeInfo = allNatives[i];
|
|
var name = nativeInfo[0];
|
|
if (name in knownProblems || name in currentlyUncallable)
|
|
continue;
|
|
print(name);
|
|
var argc = nativeInfo[1];
|
|
testArgumentCount(name, argc);
|
|
testArgumentTypes(name, argc);
|
|
}
|
|
}
|
|
|
|
testNatives();
|