linux-kernel - Re: [PATCH] VMCI: Fix dereference before NULL-check of context ptr

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] [day] [month] [year] [list]

Message-ID: <20200316174502.GA274042@kroah.com>
Date:   Mon, 16 Mar 2020 18:45:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Xiyu Yang <xiyuyang19@...an.edu.cn>
Cc:     Arnd Bergmann <arnd@...db.de>, Xin Tan <tanxin.ctf@...il.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Allison Randal <allison@...utok.net>,
        Ira Weiny <ira.weiny@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, yuanxzhang@...an.edu.cn, kjlu@....edu
Subject: Re: [PATCH] VMCI: Fix dereference before NULL-check of context ptr

On Tue, Mar 17, 2020 at 12:18:33AM +0800, Xiyu Yang wrote:
> A NULL pointer can be returned by vmci_ctx_get(). Thus add a
> corresponding check so that a NULL pointer dereference will
> be avoided in vmci_ctx_put().
> 
> Signed-off-by: Xiyu Yang <xiyuyang19@...an.edu.cn>
> Signed-off-by: Xin Tan <tanxin.ctf@...il.com>
> ---
>  drivers/misc/vmw_vmci/vmci_queue_pair.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

You sent 2 different patches with the same subject, yet they did
different things :(

Please fix this up, make them unique, and send a patch series.

thanks,

greg k-h