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seccomp: add arch_prctl() to the syscall whitelist 

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 <pmoore@redhat.com>
Reviewed-by: Eduardo Otubo <otubo@linux.vnet.ibm.com>
Message-id: 20130718135703.8247.19213.stgit@localhost
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paul Moore 2013-07-18 09:57:03 -04:00 committed by Anthony Liguori
parent 94113bd8a1
commit d2509b667c
1 changed files with 2 additions and 1 deletions
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3
qemu-seccomp.c
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@ -217,7 +217,8 @@ 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)