linux-kernel - Re: [PATCH] bpf: Check for integer overflow when using roundup_pow_of

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Message-Id: <161238540694.20292.1378146389500411389.git-patchwork-notify@kernel.org>
Date:   Wed, 03 Feb 2021 20:50:06 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Bui Quang Minh <minhquangbui99@...il.com>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, davem@...emloft.net,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bpf: Check for integer overflow when using
 roundup_pow_of_two()

Hello:

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

On Wed, 27 Jan 2021 06:36:53 +0000 you wrote:
> On 32-bit architecture, roundup_pow_of_two() can return 0 when the argument
> has upper most bit set due to resulting 1UL << 32. Add a check for this
> case.
> 
> Fixes: d5a3b1f ("bpf: introduce BPF_MAP_TYPE_STACK_TRACE")
> Signed-off-by: Bui Quang Minh <minhquangbui99@...il.com>
> 
> [...]

Here is the summary with links:
  - bpf: Check for integer overflow when using roundup_pow_of_two()
    https://git.kernel.org/bpf/bpf/c/6183f4d3a0a2

You are awesome, thank you!
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