netdev - Re: [PATCH] json_print: Add explicit condition in print_color

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Message-ID: <20240214190010.2be170ed@hermes.local>
Date: Wed, 14 Feb 2024 19:00:10 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: Maks Mishin <maks.mishinfz@...il.com>
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH] json_print: Add explicit condition in
 print_color_string()

On Tue, 13 Feb 2024 23:40:09 +0300
Maks Mishin <maks.mishinfz@...il.com> wrote:

> Added explicit condition for check `key` and `value`
> in print_color_string() to avoid call `jsonw_string_field`
> with key=NULL and value=NULL.
> 
> Signed-off-by: Maks Mishin <maks.mishinFZ@...il.com>

Thanks for the patch, but looks like another potential issue
found by a checker. Anything calling print_color_string and wanting
to print a json string with key and value of NULL is broken.
This change would paper over a real bug.

Do you have a test case where this occurs?