Re: [REGRESSION] 6.14.3 panic - kernel NULL pointer dereference in htb_dequeue

On Sun, 27 Apr 2025 20:42:54 +0100 "Alan J. Wylie" alan@wylie.me.uk wrote:

That would be https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/ ?

I've just cloned that. I'll do a build and a test.

$ uname -r 6.15.0-rc3-00109-gf73f05c6f711

It's crashed. Same place as usual. I tried again, same thing.

htb_dequeue+0x42e/0x610 [sch_htb]

Rather than a ping flood, I was running a Speedtest. Both times it crashed during the upload test, not the download.

https://www.speedtest.net/

Could running an iptables firewall perhaps have anything to do with it?

HTH Alan