netdev - Re: Kernel panics trying to set up L2TP VPN (`__xfrm_state

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Message-ID: <954462d4-4d50-4ca3-9620-8ab720370fe8@molgen.mpg.de>
Date: Mon, 6 Oct 2025 09:05:54 +0200
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, James Chapman <jchapman@...alix.com>,
 regressions@...ts.linux.dev
Subject: Re: Kernel panics trying to set up L2TP VPN
 (`__xfrm_state_destroy+0x6e/0x80`)

[attach output of `./scripts/decode_stacktrace.sh arch/i386/boot/bzImage 
< 20251006--linux-6.17.0-11244-g6093a688a07d--messages.txt`]

Am 06.10.25 um 08:37 schrieb Paul Menzel:
> #regzbot introduced: v6.17..070a542f08ac
> 
> Dear Linux folks,
> 
> 
> At least with the two Linux versions below
> 
> 6.17.0-09410-g070a542f08ac
> 6.17.0-11244-g6093a688a07d
> 
> trying to set up a L2TP network, Linux panics.
> 
>      nmcli connection up My\ L2TP
> 
> Please find the output of
> 
>       sudo cat /var/lib/systemd/pstore/175973090{4,5,6}/*/*
> 
> for Linux 6.17.0-11244-g6093a688a07d attached.
> 
> 
> Kind regards,
> 
> Paul
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