Re: [syzbot] UBSAN: shift-out-of-bounds in nl802154_new_interface

From: Pavel Skripkin
Date: Mon Jan 24 2022 - 07:59:36 EST


On 12/27/21 09:09, syzbot wrote:
syzbot suspects this issue was fixed by commit:

commit 451dc48c806a7ce9fbec5e7a24ccf4b2c936e834
Author: Alexander Aring <aahringo@xxxxxxxxxx>
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