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Open Source and information security mailing list archives
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Date: Mon, 10 Aug 2020 07:56:08 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Jiang Yu <jyu.jiang@...o.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, Andrii Nakryiko <andriin@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...omium.org>, Eric Dumazet <edumazet@...gle.com>, Jakub Sitnicki <jakub@...udflare.com>, zhanglin <zhang.lin16@....com.cn>, Kees Cook <keescook@...omium.org>, Andrey Ignatov <rdna@...com>, Quentin Monnet <quentin@...valent.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, bpf@...r.kernel.org Cc: opensource.kernel@...o.com Subject: Re: [PATCH] bpf: Add bpf_skb_get_sock_comm() helper On 8/10/20 6:09 AM, Jiang Yu wrote: > skb distinguished by uid can only recorded to user who consume them. > in many case, skb should been recorded more specific to process who > consume them. E.g, the unexpected large data traffic of illegal process > in metered network. > > this helper is used in tracing task comm of the sock to which a skb > belongs. > > Signed-off-by: Jiang Yu <jyu.jiang@...o.com> fd can be passed from one process to another.
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