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Subject: Re: [PATCH bpf-next] bpf,
 x86: initialize the variable "first_off" in save_args()
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <168978602267.22183.12710540348045539494.git-patchwork-notify@kernel.org>
Date:   Wed, 19 Jul 2023 17:00:22 +0000
References: <20230719110330.2007949-1-imagedong@tencent.com>
In-Reply-To: <20230719110330.2007949-1-imagedong@tencent.com>
To:     Menglong Dong <menglong8.dong@gmail.com>
Cc:     yhs@fb.com, davem@davemloft.net, dsahern@kernel.org,
        ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
        martin.lau@linux.dev, song@kernel.org, john.fastabend@gmail.com,
        kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
        jolsa@kernel.org, tglx@linutronix.de, mingo@redhat.com,
        bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
        hpa@zytor.com, imagedong@tencent.com, netdev@vger.kernel.org,
        bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
        flyingpeng@tencent.com, dan.carpenter@linaro.org
Precedence: bulk

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Wed, 19 Jul 2023 19:03:30 +0800 you wrote:
> From: Menglong Dong <imagedong@tencent.com>
> 
> As Dan Carpenter reported, the variable "first_off" which is passed to
> clean_stack_garbage() in save_args() can be uninitialized, which can
> cause runtime warnings with KMEMsan. Therefore, init it with 0.
> 
> Fixes: 473e3150e30a ("bpf, x86: allow function arguments up to 12 for TRACING")
> Cc: Hao Peng <flyingpeng@tencent.com>
> Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
> Closes: https://lore.kernel.org/bpf/09784025-a812-493f-9829-5e26c8691e07@moroto.mountain/
> Signed-off-by: Menglong Dong <imagedong@tencent.com>
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf, x86: initialize the variable "first_off" in save_args()
    https://git.kernel.org/bpf/bpf-next/c/492e797fdab2

You are awesome, thank you!
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