Gentoo Archives: gentoo-user

From: antlists <antlists@××××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] libbpf? BTF? blinking urxvt/fish?
Date: Thu, 15 Jul 2021 00:11:24
Message-Id: 61502b53-fe5f-43ff-3671-01403d8ef598@youngman.org.uk
In Reply to: Re: [gentoo-user] libbpf? BTF? blinking urxvt/fish? by Michael
1 On 14/07/2021 17:02, Michael wrote:
2 > However, I'm no dev so I
3 > have no idea what the potential for BPF harming Linux security might be.
4 > Other more knowledgeable M/L contributors may chime in to explain better.
5
6 The main thing I know is that the verifier enforces "forward progress".
7 If it can't *prove* that the BPF program will terminate, it fails
8 verification and is blocked, so it can't be used for a "denial of
9 service" attack.
10
11 Cheers,
12 Wol