linux-kernel - Re: [PATCH] m68k/kernel: array out of bound access in process_uboot

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Message-ID: <87bl12s1ky.fsf@igel.home>
Date:   Mon, 27 Dec 2021 12:56:45 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Hangyu Hua <hbh25y@...il.com>
Cc:     geert@...ux-m68k.org, linux-m68k@...ts.linux-m68k.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] m68k/kernel: array out of bound access in
 process_uboot_commandline

On Dez 27 2021, Hangyu Hua wrote:

> If we don't use
> commandp[0]=0 in len == 0,
> than commandp will not have a zero-terminated.

That doesn't make sense.  There is no room for the zero.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
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