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Re: [PATCH] linux-user: Use signed lengths in uaccess.c

From: Laurent Vivier
Subject: Re: [PATCH] linux-user: Use signed lengths in uaccess.c
Date: Wed, 7 Apr 2021 18:49:15 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1

Le 07/04/2021 à 17:16, Peter Maydell a écrit :
> On Mon, 15 Mar 2021 at 21:07, Laurent Vivier <laurent@vivier.eu> wrote:
>> Le 15/03/2021 à 21:40, Richard Henderson a écrit :
>>> Partially revert 09f679b62dff, but only for the length arguments.
>>> Instead of reverting to long, use ssize_t.  Reinstate the > 0 check
>>> in unlock_user.
>>> Fixes: 09f679b62dff
>>> Reported-by: Coverity (CID 1446711)
>>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
>> Reviewed-by: Laurent Vivier <laurent@vivier.eu>
> Hi -- did this patch get lost? I think we should put it into 6.0.

It seems so... thank you.

I prepare a PR with it.


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