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Re: [PATCH 2/6] block/mirror: fix use after free of local_err

From: Max Reitz
Subject: Re: [PATCH 2/6] block/mirror: fix use after free of local_err
Date: Wed, 25 Mar 2020 13:01:35 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0

On 24.03.20 16:36, Vladimir Sementsov-Ogievskiy wrote:
> local_err is used again in mirror_exit_common() after
> bdrv_set_backing_hd(), so we must zero it. Otherwise try to set
> non-NULL local_err will crash.
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
>  block/mirror.c | 1 +
>  1 file changed, 1 insertion(+)

Considering Dave has taken patches 4 and 5, I think it makes sense for
me to take this one now; so, thanks for the patch and the reviews,
applied to my block branch:



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