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* [Qemu-devel] [PATCH] seccomp: add arch_prctl() to the syscall whitelist
@ 2013-07-18 13:57 Paul Moore
  2013-07-23 13:57 ` Paul Moore
  2013-08-02 12:35 ` Anthony Liguori
  0 siblings, 2 replies; 5+ messages in thread
From: Paul Moore @ 2013-07-18 13:57 UTC (permalink / raw)
  To: qemu-devel, qemu-stable; +Cc: coreyb, otubo

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>
---
 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)

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2013-08-02 13:01 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2013-07-18 13:57 [Qemu-devel] [PATCH] seccomp: add arch_prctl() to the syscall whitelist Paul Moore
2013-07-23 13:57 ` Paul Moore
2013-07-24 18:01   ` Eduardo Otubo
2013-07-29 22:12     ` Paul Moore
2013-08-02 12:35 ` Anthony Liguori

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