linux-kernel - Re: [PATCH v2] Input: elantech - Fix stack out of bound access in elantech_change_report

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Date:   Tue, 16 Nov 2021 11:30:23 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Andrea Righi <andrea.righi@...onical.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Phoenix Huang <phoenix@....com.tw>, jingle.wu@....com.tw,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Input: elantech - Fix stack out of bound access in
 elantech_change_report_id()

> 
> [    6.512374] BUG: KASAN: stack-out-of-bounds in __ps2_command+0x372/0x7e0
> [    6.512397] Read of size 1 at addr ffff8881024d77c2 by task kworker/2:1/118

I wonder if the KASAN trace could be shortened, but I leave this to
Dmitry.

I like the comment, thanks!

Reviewed-by: Wolfram Sang <wsa@...nel.org>


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