From: patchwork-bot+netdevbpf@kernel.org
To: T.J. Mercier <tjmercier@google.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
bpf@vger.kernel.org, shuah@kernel.org,
linux-kselftest@vger.kernel.org, quic_sukadev@quicinc.com
Subject: Re: [PATCH bpf] selftests/bpf: Fix OOB read in dmabuf_collector
Date: Thu, 26 Feb 2026 19:30:18 +0000 [thread overview]
Message-ID: <177213421804.1808439.320626533267956186.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260225003349.113746-1-tjmercier@google.com>
Hello:
This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Tue, 24 Feb 2026 16:33:48 -0800 you wrote:
> Dmabuf name allocations can be less than DMA_BUF_NAME_LEN characters,
> but bpf_probe_read_kernel always tries to read exactly that many bytes.
> If a name is less than DMA_BUF_NAME_LEN characters,
> bpf_probe_read_kernel will read past the end. bpf_probe_read_kernel_str
> stops at the first NUL terminator so use it instead, like
> iter_dmabuf_for_each already does.
>
> [...]
Here is the summary with links:
- [bpf] selftests/bpf: Fix OOB read in dmabuf_collector
https://git.kernel.org/bpf/bpf/c/6881af27f9ea
You are awesome, thank you!
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prev parent reply other threads:[~2026-02-26 19:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-25 0:33 [PATCH bpf] selftests/bpf: Fix OOB read in dmabuf_collector T.J. Mercier
2026-02-25 1:41 ` T.J. Mercier
2026-02-26 19:30 ` patchwork-bot+netdevbpf [this message]
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