netdev - Re: [PATCH] ibmvnic: fix: NULL pointer dereference.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAOhMmr4QaJY6Mr=TByXaR5OHh-LxaV2w77dXtopdsHFAOZuuHg@mail.gmail.com>
Date:   Wed, 30 Dec 2020 16:00:47 -0600
From:   Lijun Pan <lijunp213@...il.com>
To:     YANG LI <abaci-bugfix@...ux.alibaba.com>
Cc:     davem@...emloft.net, Jakub Kicinski <kuba@...nel.org>,
        drt@...ux.ibm.com, Lijun Pan <ljp@...ux.ibm.com>,
        sukadev@...ux.ibm.com, mpe@...erman.id.au,
        benh@...nel.crashing.org, paulus@...ba.org, netdev@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ibmvnic: fix: NULL pointer dereference.

On Wed, Dec 30, 2020 at 1:25 AM YANG LI <abaci-bugfix@...ux.alibaba.com> wrote:
>
> The error is due to dereference a null pointer in function
> reset_one_sub_crq_queue():
>
> if (!scrq) {
>     netdev_dbg(adapter->netdev,
>                "Invalid scrq reset. irq (%d) or msgs(%p).\n",
>                 scrq->irq, scrq->msgs);
>                 return -EINVAL;
> }
>
> If the expression is true, scrq must be a null pointer and cannot
> dereference.
>
> Signed-off-by: YANG LI <abaci-bugfix@...ux.alibaba.com>
> Reported-by: Abaci <abaci@...ux.alibaba.com>
> ---

Acked-by: Lijun Pan <ljp@...ux.ibm.com>