From d2509b667caf482b6f827ff2645cbeb9b39ce29e Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Thu, 18 Jul 2013 09:57:03 -0400 Subject: [PATCH] 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 $1 Signed-off-by: Paul Moore Reviewed-by: Eduardo Otubo Message-id: 20130718135703.8247.19213.stgit@localhost Signed-off-by: Anthony Liguori --- qemu-seccomp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/qemu-seccomp.c b/qemu-seccomp.c index 1d2f51c51d..37d38f881c 100644 --- a/qemu-seccomp.c +++ b/qemu-seccomp.c @@ -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)