netdev - Re: [syzbot] [mm?] BUG: unable to handle kernel paging request in copy_from_kernel

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Date: Thu, 22 Feb 2024 08:04:09 -0800
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, "x86@...nel.org" <x86@...nel.org>, Jann Horn <jannh@...gle.com>, 
	Daniel Borkmann <daniel@...earbox.net>, Alexei Starovoitov <ast@...nel.org>, 
	Peter Zijlstra <peterz@...radead.org>, Borislav Petkov <bp@...en8.de>, 
	John Fastabend <john.fastabend@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	bpf <bpf@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, 
	"H. Peter Anvin" <hpa@...or.com>, "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>, 
	linux-kernel <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>, 
	"luto@...nel.org" <luto@...nel.org>, Ingo Molnar <mingo@...hat.com>
Subject: Re: [syzbot] [mm?] BUG: unable to handle kernel paging request in copy_from_kernel_nofault

On Thu, Feb 22, 2024 at 6:30 AM Guilherme G. Piccoli
<gpiccoli@...lia.com> wrote:
>
> Hi Thomas et.al,
>
> I've been testing some syzkaller reports and found 2 other bugs that are
> fixed by this patch (see other report at [0]).
>
> So, is there anything we could do in order to get it properly submitted
> / merged? Lemme know if I can help in anything, I could submit it myself
> if you prefer, keeping you as author and adding the tested tags.
> BTW, feel free to add:
>
> Tested-by: Guilherme G. Piccoli <gpiccoli@...lia.com>

The fix is bpf and net trees and probably will be sent to Linus today
as part of net PR.