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Re: [Qemu-devel] [PATCH] Whitelist sysinfo call
From: |
Eduardo Otubo |
Subject: |
Re: [Qemu-devel] [PATCH] Whitelist sysinfo call |
Date: |
Fri, 11 Mar 2016 09:51:50 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Mon, Mar 07, 2016 at 10=34=46AM +0100, address@hidden wrote:
> From: Miroslav Rezanina <address@hidden>
>
> Newer version of nss-softokn libraries (> 3.16.2.3) use sysinfo call
> so qemu using rbd image hang after start when run in sandbox mode.
>
> To allow using rbd images in sandbox mode we have to whitelist it.
>
> Signed-off-by: Miroslav Rezanina <address@hidden>
> ---
> qemu-seccomp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/qemu-seccomp.c b/qemu-seccomp.c
> index 2866e3c..e29fca1 100644
> --- a/qemu-seccomp.c
> +++ b/qemu-seccomp.c
> @@ -250,6 +250,7 @@ static const struct QemuSeccompSyscall
> seccomp_whitelist[] = {
> #ifdef HAVE_CACHEFLUSH
> { SCMP_SYS(cacheflush), 240 },
> #endif
> + { SCMP_SYS(sysinfo), 240 },
Are you sure you want to add this syscall to the bottom of the list? Did
you estimate the frequency it is called by running strace?
Thanks for the patch.
--
Eduardo Otubo
ProfitBricks GmbH
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