From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: [PATCH V34 29/29] lockdown: Print current->comm in restriction messages Date: Fri, 21 Jun 2019 17:03:58 -0700 Message-ID: <20190622000358.19895-30-matthewgarrett@google.com> References: <20190622000358.19895-1-matthewgarrett@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20190622000358.19895-1-matthewgarrett@google.com> Sender: linux-kernel-owner@vger.kernel.org To: jmorris@namei.org Cc: linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Matthew Garrett , David Howells , Matthew Garrett List-Id: linux-api@vger.kernel.org Print the content of current->comm in messages generated by lockdown to indicate a restriction that was hit. This makes it a bit easier to find out what caused the message. The message now patterned something like: Lockdown: : is restricted; see man kernel_lockdown.7 Signed-off-by: David Howells Signed-off-by: Matthew Garrett --- security/lockdown/lockdown.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c index 98f9ee0026d5..9ca6f442fbc7 100644 --- a/security/lockdown/lockdown.c +++ b/security/lockdown/lockdown.c @@ -83,8 +83,8 @@ static int lockdown_is_locked_down(enum lockdown_reason what) { if ((kernel_locked_down >= what)) { if (lockdown_reasons[what]) - pr_notice("Lockdown: %s is restricted; see man kernel_lockdown.7\n", - lockdown_reasons[what]); + pr_notice("Lockdown: %s: %s is restricted; see man kernel_lockdown.7\n", + current->comm, lockdown_reasons[what]); return -EPERM; } -- 2.22.0.410.gd8fdbe21b5-goog