linux-kernel - Re: 5.0.7: WARNING: CPU: 1 PID: 169 at net/netfilter/nft

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Message-ID: <20190408201909.6mcgobkdnswyikfv@breakpoint.cc>
Date:   Mon, 8 Apr 2019 22:19:09 +0200
From:   Florian Westphal <fw@...len.de>
To:     Frederik Himpe <fhimpe@...vub.ac.be>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        netfilter-devel@...r.kernel.org
Subject: Re: 5.0.7: WARNING: CPU: 1 PID: 169 at net/netfilter/nft_compat.c:82
 and genreal protection fault

Frederik Himpe <fhimpe@...vub.ac.be> 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.