linux-kernel - Re: [syzbot] UBSAN: shift-out-of-bounds in nl802154_new

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Message-ID: <3d071cde-9eff-c6c3-63bc-827e74f2e9ea@gmail.com>
Date:   Mon, 24 Jan 2022 15:59:07 +0300
From:   Pavel Skripkin <paskripkin@...il.com>
To:     syzbot <syzbot+7bf7b22759195c9a21e9@...kaller.appspotmail.com>,
        aahringo@...hat.com, alex.aring@...il.com,
        anant.thazhemadam@...il.com, davem@...emloft.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org,
        netdev@...r.kernel.org, stefan@...enfreihafen.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] UBSAN: shift-out-of-bounds in nl802154_new_interface

On 12/27/21 09:09, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 451dc48c806a7ce9fbec5e7a24ccf4b2c936e834
> Author: Alexander Aring <aahringo@...hat.com>
> Date:   Fri Nov 12 03:09:16 2021 +0000
> 
>      net: ieee802154: handle iftypes as u32
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1084d10db00000
> start commit:   ec681c53f8d2 Merge tag 'net-5.15-rc6' of git://git.kernel...
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=bab9d35f204746a7
> dashboard link: https://syzkaller.appspot.com/bug?extid=7bf7b22759195c9a21e9
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14398d94b00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=117fc40cb00000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
> 
> #syz fix: net: ieee802154: handle iftypes as u32
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: net: ieee802154: handle iftypes as u32




With regards,
Pavel Skripkin