Re: [syzbot] KASAN: slab-out-of-bounds Read in add_adv_patterns_monitor

[Dmitry Vyukov]

On Sat, 20 Mar 2021 at 09:27, syzbot
<syzbot+3ed6361bf59830ca9138@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit b4a221ea8a1f890b50838ef389d016c7ff280abc
> Author: Archie Pusaka <apusaka@xxxxxxxxxxxx>
> Date:   Fri Jan 22 08:36:11 2021 +0000
>
>     Bluetooth: advmon offload MSFT add rssi support
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14ef5ad6d00000
> start commit:   b491e6a7 net: lapb: Add locking to the lapb module
> git tree:       net
> kernel config:  https://syzkaller.appspot.com/x/.config?x=be33d8015c9de024
> dashboard link: https://syzkaller.appspot.com/bug?extid=3ed6361bf59830ca9138
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10628ae8d00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12964b80d00000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: Bluetooth: advmon offload MSFT add rssi support

That commit touches the crashed function:

#syz fix: Bluetooth: advmon offload MSFT add rssi support