linux-kernel - Re: [PATCH] net: mac802154: Fix null pointer dereference

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Message-ID: <CAB_54W7v1Dk9KjytfO8hAGfiqPJ6qO0SdgwDQ-s4ybA2yvuoCg@mail.gmail.com>
Date:   Thu, 4 Mar 2021 09:22:47 -0500
From:   Alexander Aring <alex.aring@...il.com>
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     Stefan Schmidt <stefan@...enfreihafen.org>,
        "David S. Miller" <davem@...emloft.net>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>,
        syzbot+12cf5fbfdeba210a89dd@...kaller.appspotmail.com
Subject: Re: [PATCH] net: mac802154: Fix null pointer dereference

Hi,

On Thu, 4 Mar 2021 at 04:23, Pavel Skripkin <paskripkin@...il.com> wrote:
...
> >
> > I think this need to be:
> >
> > if (!IS_ERR_OR_NULL(key->tfm[i]))
> >
> > otherwise we still run into issues for the current iterator when
> > key->tfm[i] is in range of IS_ERR().
>
> Oh... I got it completly wrong, I'm sorry. If it's still not fixed,
> I'll send rigth patch for that.
>

please resend your patch. We will review again.

- Alex