netdev - Re: [ROSE] [AX25] 6.15.10 long term stable kernel oops

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CANn89iJ6QYYXhzuF1Z3nUP=7+u_-GhKmCbBb4yr15q-it4rrUA@mail.gmail.com>
Date: Tue, 26 Aug 2025 06:36:58 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: F6BVP <f6bvp@...e.fr>
Cc: Dan Carpenter <dan.carpenter@...aro.org>, linux-hams@...r.kernel.org, 
	netdev <netdev@...r.kernel.org>, Dan Cross <crossd@...il.com>, 
	David Ranch <dranch@...nnet.net>, Folkert van Heusden <folkert@...heusden.com>
Subject: Re: [ROSE] [AX25] 6.15.10 long term stable kernel oops

On Tue, Aug 26, 2025 at 6:31 AM F6BVP <f6bvp@...e.fr> wrote:
>
> Dan, I thank you for explaining why the patch actually did not prevent
> the bug to be still present.
>
> I captured via netconsole two occurence of kernel panic that did not
> follow exactly the same chain.
>
> I hope these files may help to find where things go bad.
>
> Bug is systematically triggered when running netromd daemon and
> performing a connexion using ax25_call()
>
> [syzbot] mail reported KMSAN found uinit-value both in kiss_unesc
> (mkiss.c:303) and in mkiss_receive_buf() (mkiss.c:901).
>
> However I did not identified the bug.
>
> Regards,
>

Make sure to add symbols to these logs, otherwise we can not really help.

cat CRASH | scripts/decode_stacktrace.sh ./vmlinux