Re: [Qemu-stable] [Qemu-devel] [PATCH] seccomp: add arch_prctl() to the syscall whitelist

[Eduardo Otubo]

On 07/23/2013 10:57 AM, Paul Moore wrote:
> On Thursday, July 18, 2013 09:57:03 AM Paul Moore wrote:
> > It appears that even a very simple /etc/qemu-ifup configuration can
> > require the arch_prctl() syscall, see the example below:
> >
> >         #!/bin/sh
> >         /sbin/ifconfig $1 0.0.0.0 up
> >         /usr/sbin/brctl addif <switch> $1
> >
> > Signed-off-by: Paul Moore <address@hidden>
>
> As with the other fix, a gentle nudge so this isn't forgotten.

Reviewed and tested.

Reviewed-by: Eduardo Otubo <address@hidden>

> > ---
> >   qemu-seccomp.c |    3 ++-
> >   1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/qemu-seccomp.c b/qemu-seccomp.c
> > index 173d185..9e91c73 100644
> > --- a/qemu-seccomp.c
> > +++ b/qemu-seccomp.c
> > @@ -234,7 +234,8 @@ static const struct QemuSeccompSyscall
> > seccomp_whitelist[] = { { SCMP_SYS(waitid), 241 },
> >       { SCMP_SYS(io_cancel), 241 },
> >       { SCMP_SYS(io_setup), 241 },
> > -    { SCMP_SYS(io_destroy), 241 }
> > +    { SCMP_SYS(io_destroy), 241 },
> > +    { SCMP_SYS(arch_prctl), 240 }
> >   };
> >
> >   int seccomp_start(void)

--
Eduardo Otubo
IBM Linux Technology Center