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To: SteveG who wrote (39836)11/10/1997 2:58:00 PM
From: John Chen  Read Replies (1) | Respond to of 186894
 
SteveG/ALL, this maybe a flaw/loophole, but can the OS/Win95/NT/Linux
protect program from crashing the system by putting application
program in certain 'protect environment'?

If the OS cannot do that, then the X86 has a flaw, and that is
a very long time.



To: SteveG who wrote (39836)11/10/1997 3:13:00 PM
From: MichaelW  Respond to of 186894
 
It's hard to believe this kind of bug slipped through.



To: SteveG who wrote (39836)11/10/1997 5:25:00 PM
From: MichaelW  Respond to of 186894
 
What's the memory address being called in your code example. Is that part of the instruction set, bios, or operating system?

(caution - try the following on an **UNUSED** system with filesystems read-only)

char x[5] = { 0xF0, 0x0F, 0xC7, 0xC8, 0 };
main( )
{
void (*f)( ) = x;
f( );
}


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