From: patchwork-bot+netdevbpf@kernel.org
To: Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
kernel-team@fb.com
Subject: Re: [PATCH bpf-next] libbpf: fix potential uninit memory read
Date: Tue, 14 Dec 2021 14:40:09 +0000 [thread overview]
Message-ID: <163949280904.1632.11298824485639622358.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20211214010032.3843804-1-andrii@kernel.org>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Mon, 13 Dec 2021 17:00:32 -0800 you wrote:
> In case of BPF_CORE_TYPE_ID_LOCAL we fill out target result explicitly.
> But targ_res itself isn't initialized in such a case, and subsequent
> call to bpf_core_patch_insn() might read uninitialized field (like
> fail_memsz_adjust in this case). So ensure that targ_res is
> zero-initialized for BPF_CORE_TYPE_ID_LOCAL case.
>
> This was reported by Coverity static analyzer.
>
> [...]
Here is the summary with links:
- [bpf-next] libbpf: fix potential uninit memory read
https://git.kernel.org/bpf/bpf-next/c/4581e676d3be
You are awesome, thank you!
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prev parent reply other threads:[~2021-12-14 14:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-14 1:00 [PATCH bpf-next] libbpf: fix potential uninit memory read Andrii Nakryiko
2021-12-14 14:40 ` patchwork-bot+netdevbpf [this message]
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