Re: [PATCH] virtiofsd: Add restart_syscall to the seccomp whitelist

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Greg Kurz (groug@kaod.org) wrote:
> This is how linux restarts some system calls after SIGSTOP/SIGCONT.
> This is needed to avoid virtiofsd termination when resuming execution
> under GDB for example.

Ah!


Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> Signed-off-by: Greg Kurz <groug@kaod.org>
> ---
> 
> This has passed Travis and gitlab CI without errors.
> 
>  tools/virtiofsd/passthrough_seccomp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c
> index a60d7da4b4e2..da03e97d35e4 100644
> --- a/tools/virtiofsd/passthrough_seccomp.c
> +++ b/tools/virtiofsd/passthrough_seccomp.c
> @@ -88,6 +88,7 @@ static const int syscall_whitelist[] = {
>      SCMP_SYS(renameat),
>      SCMP_SYS(renameat2),
>      SCMP_SYS(removexattr),
> +    SCMP_SYS(restart_syscall),
>      SCMP_SYS(rt_sigaction),
>      SCMP_SYS(rt_sigprocmask),
>      SCMP_SYS(rt_sigreturn),
> -- 
> 2.26.2
> 
-- 
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK