Re: [uml-devel] x86_64: fix 2.6.18 regression - PTRACE_OLDSETOPTIONS should be accepted

[Andrew Morton <akpm@linux-foundation.org>]

On Thu, 15 Feb 2007 04:43:41 +0100 Blaisorblade <blaisorblade@yahoo.it> wrote:

> > I sent an equivalent patch in earlier today:
> Doh! Interesting this timing...
> 
> > Index: linux-2.6/arch/x86_64/ia32/ptrace32.c
> > ===================================================================
> > --- linux-2.6.orig/arch/x86_64/ia32/ptrace32.c
> > +++ linux-2.6/arch/x86_64/ia32/ptrace32.c
> > @@ -239,6 +239,8 @@ asmlinkage long sys32_ptrace(long reques
> >  	__u32 val;
> >
> >  	switch (request) {
> > +	case PTRACE_OLDSETOPTIONS:
> > +		request = PTRACE_SETOPTIONS;
> >  	case PTRACE_TRACEME:
> >  	case PTRACE_ATTACH:
> >  	case PTRACE_KILL:
> >
> > I change the request so that PTRACE_OLDSETOPTIONS doesn't need to
> > propogate any further.  However, it is present in include/asm-x86_64,
> > so I guess that counts as being part of the x86_64 ABI.  That being
> > the case, I guess my patch can be dropped in favor of this one.
> 
> It is handled in ptrace_request, unless there are include problems. I'm going 
> to reboot and test mine for any remaining problem.

Whatever happens, please ensure that the final fix makes it into -stable
as well.  Jeff's version of this patch wasn't cc'ed to stable@kernel.org.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/