Re: 5.0.7: WARNING: CPU: 1 PID: 169 at net/netfilter/nft_compat.c:82 and genreal protection fault

From: Florian Westphal
Date: Mon Apr 08 2019 - 16:19:15 EST


Frederik Himpe <fhimpe@xxxxxxxxxxxx> wrote:
> I'm experiencing this reproducible bug every time shorewall6 is
> restarted:

> [ 28.932323] WARNING: CPU: 1 PID: 169 at net/netfilter/nft_compat.c:82 nft_xt_put.part.9+0x21/0x30 [nft_compat]
[..]
> [ 29.015565] general protection fault: 0000 [#1] SMP PTI
> [ 29.015574] CPU: 3 PID: 2069 Comm: ip6tables-resto Tainted: G W E 5.0.7 #1

Does this problem go away when you apply this commit on top of 5.0.7?

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e204006340b7aaf32bd2b9806c692f6e0cb38a

If not, can you send a minimal reproducer?

Thanks.