Subject: Re: net/sched - kernel crashes when replacing a qdisc node.

From: Jakub Kicinski <[email-masked]>
Date: Wed, 3 Jan 2024 18:04:26 -0800

On Wed, 3 Jan 2024 17:41:54 -0800 Kui-Feng Lee wrote:
> The kernel crashes when running selftests/bpf/prog_tests/lwt_reroute.c. 
> We got the error message at end of this post.
> 
> It happens when lwt_reroute.c running the shell command
> 
>    tc qdisc replace dev tun0 root fq limit 5 flow_limit 5
> 
> The kernel crashes at the line
> 
>    block = cl_ops->tcf_block(sch, TC_H_MIN_INGRESS, NULL);

This is the same as
https://lore.kernel.org/all/[email-masked]/#r
right?