linux-kernel - Re: general protection fault in rose_send

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Date:   Mon, 21 Dec 2020 10:22:07 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+7078ae989d857fe17988@...kaller.appspotmail.com>
Cc:     anmol.karan123@...il.com, David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-hams <linux-hams@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        Peilin Ye <yepeilin.cs@...il.com>
Subject: Re: general protection fault in rose_send_frame

On Sun, Dec 20, 2020 at 2:27 PM syzbot
<syzbot+7078ae989d857fe17988@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 3b3fd068c56e3fbea30090859216a368398e39bf
> Author: Anmol Karn <anmol.karan123@...il.com>
> 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()