Re: [PATCH] x32: Mask away the x32 syscall bit in the ptrace codepath

[H. Peter Anvin]

On 05/28/2014 02:15 PM, Andy Lutomirski wrote:
>>
>>> 3. The OOPS you're fixing doesn't seem like it's fixed.  What if some
>>> other random high bits are set?
>>
>> There is a range check in entry_*.S for the system call.
> 
> I can imagine that causing a certain amount of confusion to fancy
> seccomp users.  Oh, well.  No one that I know of has complained yet.
> 

I don't know how seccomp or audit deal with out-of-range syscall
numbers, so that might be worth taking a look at.

	-hpa


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