From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45511) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1d5u-0008Hx-Bo for qemu-devel@nongnu.org; Tue, 23 Jul 2013 09:57:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V1d5r-0001H5-8T for qemu-devel@nongnu.org; Tue, 23 Jul 2013 09:57:38 -0400 From: Paul Moore Date: Tue, 23 Jul 2013 09:57:31 -0400 Message-ID: <7859073.tKPvLxPtrm@sifl> In-Reply-To: <20130718135703.8247.19213.stgit@localhost> References: <20130718135703.8247.19213.stgit@localhost> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [Qemu-devel] [PATCH] seccomp: add arch_prctl() to the syscall whitelist List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, qemu-stable@nongnu.org Cc: coreyb@linux.vnet.ibm.com, otubo@linux.vnet.ibm.com 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 $1 > > Signed-off-by: Paul Moore As with the other fix, a gentle nudge so this isn't forgotten. > --- > 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) -- paul moore security and virtualization @ redhat