netdev - Re: [PATCH v2 net] net: fddi: fix a possible null-ptr-deref

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: <20180608.184814.2215583284330084945.davem@davemloft.net>
Date:   Fri, 08 Jun 2018 18:48:14 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     yuehaibing@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 net] net: fddi: fix a possible null-ptr-deref

From: YueHaibing <yuehaibing@...wei.com>
Date: Fri, 8 Jun 2018 10:58:25 +0800

> bp->SharedMemAddr is set to NULL while bp->SharedMemSize lesser-or-equal 0,
> then memset will trigger null-ptr-deref.
> 
> fix it by replacing pci_alloc_consistent with dma_zalloc_coherent.
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
> v1->v2: move from pci_dma* to dma_* as Christoph suggested

Applied.