On Tue, Apr 13, 2021 at 7:54 PM Christian Brauner
wrote:
> > Fixes: 7cf97b1254550
> > Cc: sta...@vger.kernel.org # 5.9+
> > Signed-off-by: Rodrigo Campos
> > ---
>
> So the agent will see the return value from
> wait_for_completion_interruptible() and know that the addfd wasn't
> successful and
On Tue, Apr 13, 2021 at 06:01:51PM +0200, Rodrigo Campos wrote:
> It is possible for the thread with the seccomp filter attached (target)
> to be waken up by an addfd message, but the list be empty. This happens
> when the addfd ioctl on the other side (seccomp agent) is interrupted by
> a signal
It is possible for the thread with the seccomp filter attached (target)
to be waken up by an addfd message, but the list be empty. This happens
when the addfd ioctl on the other side (seccomp agent) is interrupted by
a signal such as SIGURG. In that case, the target erroneously and
prematurely
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