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Re: [qemu-s390x] [Qemu-devel] [PATCH v1 2/9] s390x/tcg: Fix length calcu

From: Richard Henderson
Subject: Re: [qemu-s390x] [Qemu-devel] [PATCH v1 2/9] s390x/tcg: Fix length calculation in probe_write_access()
Date: Fri, 23 Aug 2019 07:50:52 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 8/23/19 3:07 AM, David Hildenbrand wrote:
> Hm,, how did that "-" slip in (-TAGRET_PAGE_SIZE would be correct). This
> currently makes us exceed one page in a single probe_write() call,
> essentially leaving some memory unchecked.
> Fixes: c5a7392cfb96 ("s390x/tcg: Provide probe_write_access helper")
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
>  target/s390x/mem_helper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>


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