netdev - Re: general protection fault in sock_def_error

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Date:   Sun, 24 Jul 2022 09:21:24 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dipanjan Das <mail.dipanjan.das@...il.com>
Cc:     davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        kafai@...com, songliubraving@...com, yhs@...com, andriin@...com,
        sashal@...nel.org, edumazet@...gle.com,
        steffen.klassert@...unet.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        syzkaller@...glegroups.com, fleischermarius@...glemail.com,
        its.priyanka.bose@...il.com
Subject: Re: general protection fault in sock_def_error_report

On Sat, Jul 23, 2022 at 03:07:09PM -0700, Dipanjan Das wrote:
> Hi,
> 
> We would like to report the following bug which has been found by our
> modified version of syzkaller.

Do you have a fix for this issue?  Without that, it's a bit harder as:

> ======================================================
> description: general protection fault in sock_def_error_report
> affected file: net/core/sock.c
> kernel version: 5.4.206

You are using a very old kernel version, and we have loads of other
syzbot-reported issues to resolve that trigger on newer kernels.

thanks,

greg k-h