Re: [PATCH v3 17/23] landlock: Log TCP bind and connect denials

From: Paul Moore
Date: Sat Jan 04 2025 - 20:24:49 EST


On Nov 22, 2024 =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= <mic@xxxxxxxxxxx> wrote:
>
> Add audit support to socket_bind and socket_connect hooks.
>
> Audit event sample:
>
> type=LL_DENY [...]: domain=195ba459b blockers=net_connect_tcp daddr=127.0.0.1 dest=80

The destination address and port is already captured in the SOCKADDR
record for bind() and connect(), please don't duplicate it here.

> Cc: Günther Noack <gnoack@xxxxxxxxxx>
> Cc: Konstantin Meskhidze <konstantin.meskhidze@xxxxxxxxxx>
> Cc: Mikhail Ivanov <ivanov.mikhail1@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20241122143353.59367-18-mic@xxxxxxxxxxx
> ---
> Changes since v2:
> - Remove potentially superfluous IPv6 saddr log, spotted by Francis
> Laniel.
> - Cosmetic improvements.
> ---
> security/landlock/audit.c | 12 +++++++++
> security/landlock/audit.h | 1 +
> security/landlock/net.c | 51 ++++++++++++++++++++++++++++++++++++---
> 3 files changed, 60 insertions(+), 4 deletions(-)

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