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Subject: Re: [PATCH bpf v2 0/2] Fix for crash due to overwrite in copy_map_value
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <164461501034.10199.16749469053019311648.git-patchwork-notify@kernel.org>
Date:   Fri, 11 Feb 2022 21:30:10 +0000
References: <20220209070324.1093182-1-memxor@gmail.com>
In-Reply-To: <20220209070324.1093182-1-memxor@gmail.com>
To:     Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc:     bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
        andrii@kernel.org
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List-ID: <bpf.vger.kernel.org>
X-Mailing-List: bpf@vger.kernel.org

Hello:

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

On Wed,  9 Feb 2022 12:33:22 +0530 you wrote:
> A fix for an oversight in copy_map_value that leads to kernel crash.
> 
> Also, a question for BPF developers:
> It seems in arraymap.c, we always do check_and_free_timer_in_array after we do
> copy_map_value in map_update_elem callback, but the same is not done for
> hashtab.c. Is there a specific reason for this difference in behavior, or did I
> miss that it happens for hashtab.c as well?
> 
> [...]

Here is the summary with links:
  - [bpf,v2,1/2] bpf: Fix crash due to incorrect copy_map_value
    https://git.kernel.org/bpf/bpf/c/a8abb0c3dc1e
  - [bpf,v2,2/2] selftests/bpf: Add test for bpf_timer overwriting crash
    https://git.kernel.org/bpf/bpf/c/a7e75016a075

You are awesome, thank you!
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