Subject: Re: [patch iproute2 1/2] tc: action: fix crash caused by incorrect *argv check

From: Stephen Hemminger <[email-masked]>
Date: Tue, 23 Jul 2019 10:54:01 -0700

On Tue, 23 Jul 2019 13:25:37 +0200
Jiri Pirko <[email-masked]> wrote:

> From: Jiri Pirko <[email-masked]>
> 
> One cannot depend on *argv being null in case of no arg is left on the
> command line. For example in batch mode, this is not always true. Check
> argc instead to prevent crash.
> 
> Reported-by: Alex Kushnarov <[email-masked]>
> Fixes: fd8b3d2c1b9b ("actions: Add support for user cookies")
> Signed-off-by: Jiri Pirko <[email-masked]>

Actually makeargs does NULL terminate the last arg so what input
to batchmode is breaking this?