Messages in this thread | | | Date | Wed, 28 May 2014 14:19:38 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x32: Mask away the x32 syscall bit in the ptrace codepath |
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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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