netdev - Re: Stackoverflow when using seg6 routes

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Message-ID: <ed0a694674a54401af50f50b0f9f4dd5@akamai.com>
Date: Thu, 21 Nov 2024 07:22:50 +0000
From: "Mortensen, Christian" <cworm@...mai.com>
To: Andrea Mayer <andrea.mayer@...roma2.it>
CC: "davem@...emloft.net" <davem@...emloft.net>,
        Stefano Salsano
	<stefano.salsano@...roma2.it>,
        Paolo Lungaroni <paolo.lungaroni@...roma2.it>,
        Ahmed Abdelsalam <ahabdels.dev@...il.com>,
        "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>
Subject: Re: Stackoverflow when using seg6 routes

Hi Andrea,

Thank you for your detailed reply.

I agree this is a pathological example and it came up as a result of a bug in some test code I made.

> Perhaps the Linux kernel should be able to detect and protect itself from this kind of misconfiguration

Yes, that was my point. As a user, I would not expect that adding routes to the kernel could crash it. But I am not sure what the goal of the Linux kernel is regarding this.

Best

Christian