linux-kernel - Re: [PATCH] ASoC: rt274: Variable "buf" in function rt274_jack

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]

Date:   Mon, 7 Jan 2019 16:58:34 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Yizhuo <yzhai003@....edu>
Cc:     csong@...ucr.edu, zhiyunq@...ucr.edu,
        Bard Liao <bardliao@...ltek.com>,
        Oder Chiou <oder_chiou@...ltek.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: rt274: Variable "buf" in function
 rt274_jack_detect() could be uninitialized

On Fri, Jan 04, 2019 at 12:27:08PM -0800, Yizhuo wrote:
> In function rt274_jack_detect(), local variable "buf" could
> be uninitialized if function regmap_read() returns -EINVAL.
> However, it will be used to calculate "hp" and "mic" and
> make their value unpredictable while those value are used
> in the caller. This is potentially unsafe.

This doesn't apply against current code, please check and resend.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)