linux-kernel - 回复: [PATCH] sound/isa/gus: fix null pointer dereference on pointer block

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: <TYCP286MB1188D629BAF8D3F708CDE76F8A849@TYCP286MB1188.JPNP286.PROD.OUTLOOK.COM>
Date:   Tue, 26 Oct 2021 12:51:18 +0000
From:   YE Chengfeng <cyeaa@...nect.ust.hk>
To:     Takashi Iwai <tiwai@...e.de>
CC:     "perex@...ex.cz" <perex@...ex.cz>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 回复: [PATCH] sound/isa/gus: fix null pointer dereference on pointer block

Thanks so much,
-Chengfeng

-----邮件原件-----
发件人: Takashi Iwai <tiwai@...e.de> 
发送时间: 2021年10月26日 14:02
收件人: YE Chengfeng <cyeaa@...nect.ust.hk>
抄送: perex@...ex.cz; tiwai@...e.com; alsa-devel@...a-project.org; linux-kernel@...r.kernel.org
主题: Re: [PATCH] sound/isa/gus: fix null pointer dereference on pointer block

On Sun, 24 Oct 2021 12:46:11 +0200,
Chengfeng Ye wrote:
> 
> The pointer block return from snd_gf1_dma_next_block could be null, so 
> there is a potential null pointer dereference issue.
> Fix this by adding a null check before dereference.
> 
> Signed-off-by: Chengfeng Ye <cyeaa@...nect.ust.hk>

Thanks, applied.


Takashi