lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <ZcV1GgitdBUIcKJT@google.com>
Date: Thu, 8 Feb 2024 16:43:06 -0800
From: Stanislav Fomichev <sdf@...gle.com>
To: Oliver Crumrine <ozlinuxc@...il.com>
Cc: ast@...nel.org, daniel@...earbox.net, john.fastabend@...il.com, 
	andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org, 
	yonghong.song@...ux.dev, kpsingh@...nel.org, haoluo@...gle.com, 
	jolsa@...nel.org, bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: remove check before __cgroup_bpf_run_filter_skb

On 02/08, Oliver Crumrine wrote:
> Checking if __sk is a full socket in macro 
> BPF_CGROUP_RUN_PROG_INET_EGRESS is redundant, as the same check is 
> done in function __cgroup_bpf_run_filter_skb, called as part of the 
> macro.

The check is here to make sure we only run this hook on non-req sockets.
Dropping it would mean we'd be running the hook on the listeners
instead. I don't think we want that.

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ