badJS.qtz
Description: application/quartzcomposer
Steps: * load the composition * open the viewer* cmd-., cmd-r repeatedly (sometimes it only takes a couple cycles, sometimes more than a dozen).
The pertinent script is:
var rand = Math.random();
Log("rand:"+rand);
if(rand > 0.5)
{
eval("\
function doStuff(){return 42;}\
function (__number outputNumber) main (__number inputNumber[2])\
{\
var result = new Object();\
result.outputNumber = doStuff();\
return result;\
}");
}
else
{
eval("function (__number cool) main (__number what)\
{\
var result = new Object();\
result.outputNumber = 24;\
return result;\
}");
}
(Yes, you'd never have a reason ever to do anything like this in real
life that I can think of, but crashing might be a problem)
backtrace varies, either calling a null function (top address is 0x00000000), or sometimes JSObjectCallAsFunction, as in:
Thread 0 Crashed:0 com.apple.JavaScriptCore 0x95bfd764 JSObjectCallAsFunction + 260
1 libobjc.A.dylib 0x9247d800 0x9243c000 + 268288 Can anyone else reproduce this? -- [ christopher wright ] [email protected] http://kineme.net/
smime.p7s
Description: S/MIME cryptographic signature
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