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From: Petr Vorel <pvorel@suse.cz>
To: Andrea Cervesato <andrea.cervesato@suse.com>
Cc: Stephen Smalley <stephen.smalley.work@gmail.com>, ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v4 1/2] core: add tst_selinux_enabled() utility
Date: Wed, 23 Jul 2025 21:50:11 +0200	[thread overview]
Message-ID: <20250723195011.GD162896@pevik> (raw)
In-Reply-To: <abbb4f90-d163-447a-bbb2-e860371e0179@suse.com>

Hi Andrea, Stephen,

> On 7/23/25 3:13 PM, Stephen Smalley wrote:
> > To be more precise, the bug is only triggerable for LSMs that
> > implement the listsecurity LSM hook (to return a synthesized security
> > xattr regardless of whether one is set in the filesystem), which are
> > only SELinux and Smack.

+1

> Thanks for the clarification. I guess we have a solution: we can take a look
> at /sys/kernel/security/lsm and verify if smack/selinux are enabled.

Given that "selinux" is *not* in /sys/kernel/security/lsm when "security=selinux
selinux=0 enforcing=0" as kernel cmdline and it on "security=selinux selinux=1
enforcing=0" this is really the best solution.

Thank you both for your patience to get a reliable test!

Kind regards,
Petr

> - Andrea


-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  reply	other threads:[~2025-07-23 19:50 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-22  6:55 [LTP] [PATCH v4 0/2] Add listxattr04 test reproducer Andrea Cervesato
2025-07-22  6:55 ` [LTP] [PATCH v4 1/2] core: add tst_selinux_enabled() utility Andrea Cervesato
2025-07-22 10:51   ` Petr Vorel
2025-07-22 12:06   ` Petr Vorel
2025-07-22 13:18     ` Stephen Smalley
2025-07-22 13:20       ` Stephen Smalley
2025-07-22 13:42         ` Petr Vorel
2025-07-22 13:48           ` Stephen Smalley
2025-07-23 11:17             ` Andrea Cervesato via ltp
2025-07-23 12:51               ` Petr Vorel
2025-07-23 11:19     ` Andrea Cervesato via ltp
2025-07-23 12:41       ` Petr Vorel
2025-07-23 12:43         ` Andrea Cervesato via ltp
2025-07-23 12:46           ` Stephen Smalley
2025-07-23 13:13             ` Stephen Smalley
2025-07-23 13:15               ` Andrea Cervesato via ltp
2025-07-23 19:50                 ` Petr Vorel [this message]
2025-07-22 19:12   ` Wei Gao via ltp
2025-07-22  6:55 ` [LTP] [PATCH v4 2/2] Add listxattr04 reproducer Andrea Cervesato
2025-07-22 14:11   ` Petr Vorel

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