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Subject: Re: [PATCH] s390/bpf: perform r1 range checking before accessing
 jit->seen_reg[r1]
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <162637140434.23218.4971515886855258652.git-patchwork-notify@kernel.org>
Date:   Thu, 15 Jul 2021 17:50:04 +0000
References: <20210715125712.24690-1-colin.king@canonical.com>
In-Reply-To: <20210715125712.24690-1-colin.king@canonical.com>
To:     Colin King <colin.king@canonical.com>
Cc:     iii@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com,
        borntraeger@de.ibm.com, ast@kernel.org, daniel@iogearbox.net,
        andrii@kernel.org, songliubraving@fb.com, yhs@fb.com,
        john.fastabend@gmail.com, kpsingh@kernel.org,
        holzheu@linux.vnet.ibm.com, schwidefsky@de.ibm.com,
        netdev@vger.kernel.org, bpf@vger.kernel.org,
        linux-s390@vger.kernel.org, kernel-janitors@vger.kernel.org,
        linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to bpf/bpf.git (refs/heads/master):

On Thu, 15 Jul 2021 13:57:12 +0100 you wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> Currently array jit->seen_reg[r1] is being accessed before the range
> checking of index r1. The range changing on r1 should be performed
> first since it will avoid any potential out-of-range accesses on the
> array seen_reg[] and also it is more optimal to perform checks on
> r1 before fetching data from the array.  Fix this by swapping the
> order of the checks before the array access.
> 
> [...]

Here is the summary with links:
  - s390/bpf: perform r1 range checking before accessing jit->seen_reg[r1]
    https://git.kernel.org/bpf/bpf/c/91091656252f

You are awesome, thank you!
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