linux-kernel - Re: [Linux Kernel Bug] WARNING in remove_vm

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: <CANypQFZVc-+E-xDWyza33A=BTmYRQjsK24z3Tny-X3xzoVO0jQ@mail.gmail.com>
Date: Fri, 12 Sep 2025 00:44:01 +0800
From: Jiaming Zhang <r772577952@...il.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	security@...nel.org, linux-kernel@...r.kernel.org, syzkaller@...glegroups.com
Subject: Re: [Linux Kernel Bug] WARNING in remove_vm_area

Thanks for the reminder! I'll keep it in mind.

Eric Dumazet <edumazet@...gle.com> 于2025年9月12日周五 00:33写道：
>
> On Thu, Sep 11, 2025 at 9:29 AM Jiaming Zhang <r772577952@...il.com> wrote:
> >
> > Hello,
> >
> > Apologies for the oversight in my previous email. I neglected to
> > include the formatted report.
> >
> > Please find the formatted report (formatted by syz-symbolize) attached
> > to this email. This should be easier to read and analyze.
> >
> > Sorry for any inconvenience.
> >
> > Jiaming Zhang <r772577952@...il.com> 于2025年9月11日周四 21:59写道：
> > >
> > > Dear Linux kernel developers and maintainers:
> > >
> > > We are writing to report a kernel WARNING in remove_vm_area,
> > > discovered with our modified version of syzkaller.
> > >
> > > This issue was initially found in kernel v6.17-rc5 (commit
> > > 76eeb9b8de9880ca38696b2fb56ac45ac0a25c6c). Unfortunately, we do not
> > > have a stable C or Syz program to reproduce this warning. We are
> > > actively analyzing the root cause and working to create a reliable
> > > reproducer, which we will share as soon as it is available.
> > >
> > > Attached are the kernel console output and the .config file for your
> > > analysis. Please let us know if any further information would be
> > > helpful.
> > >
> > > Best regards,
> > > Jiaming Zhang
>
> Please note that syzbot reports bcachefs bugs quite often, you do not
> have to involve security@...nel.org,
> especially if you send public reports to linux-kernel@...nel.org.
>
> Thank you.