linux-kernel - [PATCH] livepatch/module: print notice of TAINT

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-next>] [day] [month] [year] [list]

Message-Id: <1484240264-32756-1-git-send-email-joe.lawrence@redhat.com>
Date:   Thu, 12 Jan 2017 11:57:44 -0500
From:   Joe Lawrence <joe.lawrence@...hat.com>
To:     linux-kernel@...r.kernel.org, live-patching@...r.kernel.org
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>, Jessica Yu <jeyu@...hat.com>,
        Rusty Russell <rusty@...tcorp.com.au>
Subject: [PATCH] livepatch/module: print notice of TAINT_LIVEPATCH

Add back the "tainting kernel with TAINT_LIVEPATCH" kernel log message
that commit 2992ef29ae01 ("livepatch/module: make TAINT_LIVEPATCH
module-specific") dropped.  Now that it's a module-specific taint flag,
include the module name.

Signed-off-by: Joe Lawrence <joe.lawrence@...hat.com>
---
 kernel/module.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/module.c b/kernel/module.c
index 5088784c0cf9..330f64e7e193 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2812,6 +2812,8 @@ static int check_modinfo_livepatch(struct module *mod, struct load_info *info)
 	if (get_modinfo(info, "livepatch")) {
 		mod->klp = true;
 		add_taint_module(mod, TAINT_LIVEPATCH, LOCKDEP_STILL_OK);
+		pr_notice_once("%s: tainting kernel with TAINT_LIVEPATCH\n",
+			       mod->name);
 	}
 
 	return 0;
-- 
1.8.3.1