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Re: The open() system call in f8 really broken...



On Thu, 2007-08-16 at 05:39 -0400, Alan Cox wrote:
> Sorry ignore the previous email I misunderstood what was going on.
> 
> You can open a file O_CREAT with neither read or write, you can open a file
> with O_CREAT|O_WRONLY but not give permissions in the file mode. You must
> provide the third argument so the abort is right. If you don't then the permissions
> are set based on the random values (eg the return address)

Return address?

Even on crappy register-starved architectures like i386 we'd have the
three arguments in registers, wouldn't we? The permissions are set based
on the contents of some register, surely?

-- 
dwmw2


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