netdev - Re: [Linux Kernle Bug] INFO: rcu detected stall in e1000

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: <CANypQFYzTMwpWHgn3sPwpP7nF3js-Q4gt7rFBBsFy494uEnB0g@mail.gmail.com>
Date: Thu, 28 Aug 2025 19:38:34 +0800
From: Jiaming Zhang <r772577952@...il.com>
To: Dmitry Vyukov <dvyukov@...gle.com>
Cc: "anthony.l.nguyen@...el.com" <anthony.l.nguyen@...el.com>, davem@...emloft.net, 
	intel-wired-lan@...ts.osuosl.org, jesse.brandeburg@...el.com, kuba@...nel.org, 
	netdev@...r.kernel.org, security@...nel.org, linux-kernel@...r.kernel.org, 
	syzkaller@...glegroups.com
Subject: Re: [Linux Kernle Bug] INFO: rcu detected stall in e1000_watchdog

Hi Dmitry,

Got it. Thank you for the heads-up.

Dmitry Vyukov <dvyukov@...gle.com> 于2025年8月28日周四 19:05写道：
>
> On Thu, 28 Aug 2025 at 12:40, Jiaming Zhang <r772577952@...il.com> wrote:
> >
> > Dear Linux kernel developers and maintainers:
> >
> > We are writing to report a kernel bug discovered with our modified
> > version of syzkaller.
> >
> > The bug was initially found in Linux kernel v5.15.189 (commit
> > c79648372d02944bf4a54d87e3901db05d0ac82e). We have attached the
> > .config file and symbolized crash report for your reference.
> >
> > Unfortunately, we do not have a reliable reproducer at this time. We
> > are actively analyzing the root cause and working to create a
> > consistent reproducer, which we will share as soon as it is available.
> >
> > Please let us know if you need any further information.
> >
> > Best regards,
> > Jiaming Zhang
>
> Hi Jiaming,
>
> This is likely to be a false positive. We found the default kernel
> timeouts are not really suitable for fuzzing. Consider using the
> official syzkaller-recommended configs with proper tuning for fuzzing.
>
> Additionally, v5.15 is extremely old. Check out:
> https://github.com/google/syzkaller/blob/master/docs/linux/reporting_kernel_bugs.md