linux-kernel - Re: Re: [PATCH] i2c: fix crash with msgs is NULL points

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-next>] [day] [month] [year] [list]

Message-ID: <20230510092344.GP66750@black.fi.intel.com>
Date:   Wed, 10 May 2023 12:23:44 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     wangyouwan <wangyouwan@....com>
Cc:     jarkko.nikula@...ux.intel.com, andriy.shevchenko@...ux.intel.com,
        jsd@...ihalf.com, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: Re: [PATCH] i2c: fix crash with msgs is NULL points


On Wed, May 10, 2023 at 05:17:04PM +0800, wangyouwan wrote:
> After waking up from sleep, 100% of the time it occurred. I suspected
> that there was a firmware issue with the machine I was debugging, but
> other machines did not notice it. Therefore, I attempted to make a
> modification here to avoid it

Okay then I suggest to investigate what causes the ->msgs to be NULL and
fix that. When the transfer function is called we expect there to be
something to be sent out so this should not happen.