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Re: [Qemu-devel] [PATCH] seccomp: add the asynchronous I/O syscalls to t


From: Corey Bryant
Subject: Re: [Qemu-devel] [PATCH] seccomp: add the asynchronous I/O syscalls to the whitelist
Date: Wed, 29 May 2013 17:16:56 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6



On 05/29/2013 04:30 PM, Paul Moore wrote:
In order to enable the asynchronous I/O functionality when using the
seccomp sandbox we need to add the associated syscalls to the
whitelist.

Signed-off-by: Paul Moore <address@hidden>
---
  qemu-seccomp.c |    5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qemu-seccomp.c b/qemu-seccomp.c
index 031da1d..ca123bf 100644
--- a/qemu-seccomp.c
+++ b/qemu-seccomp.c
@@ -87,6 +87,7 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] = {
      { SCMP_SYS(stat), 245 },
      { SCMP_SYS(uname), 245 },
      { SCMP_SYS(eventfd2), 245 },
+    { SCMP_SYS(io_getevents), 245 },
      { SCMP_SYS(dup), 245 },
      { SCMP_SYS(dup2), 245 },
      { SCMP_SYS(dup3), 245 },
@@ -229,7 +230,9 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] 
= {
      { SCMP_SYS(sendmmsg), 241 },
      { SCMP_SYS(recvmmsg), 241 },
      { SCMP_SYS(prlimit64), 241 },
-    { SCMP_SYS(waitid), 241 }
+    { SCMP_SYS(waitid), 241 },
+    { SCMP_SYS(io_setup), 241 },
+    { SCMP_SYS(io_destroy), 241 }
  };

  int seccomp_start(void)




Thanks for the patch. It looks good to me and I see these are used by the block aio code.

Reviewed-by: Corey Bryant <address@hidden>

--
Regards,
Corey Bryant




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