Re: general protection fault in rose_send_frame

From: Dmitry Vyukov
Date: Mon Dec 21 2020 - 05:31:56 EST


On Sun, Dec 20, 2020 at 2:27 PM syzbot
<syzbot+7078ae989d857fe17988@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 3b3fd068c56e3fbea30090859216a368398e39bf
> Author: Anmol Karn <anmol.karan123@xxxxxxxxx>
> Date: Thu Nov 19 19:10:43 2020 +0000
>
> rose: Fix Null pointer dereference in rose_send_frame()
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=139e2b9b500000
> start commit: 23ee3e4e Merge tag 'pci-v5.8-fixes-2' of git://git.kernel...
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=f87a5e4232fdb267
> dashboard link: https://syzkaller.appspot.com/bug?extid=7078ae989d857fe17988
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=157e8964900000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10046c54900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: rose: Fix Null pointer dereference in rose_send_frame()
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: rose: Fix Null pointer dereference in rose_send_frame()