[PATCH V32 25/27] lockdown: Print current->comm in restriction messages

Matthew Garrett matthewgarrett at google.com
Thu Apr 4 00:32:47 UTC 2019

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: <comm>: <what> is restricted; see man kernel_lockdown.7

Signed-off-by: David Howells <dhowells at redhat.com>
Signed-off-by: Matthew Garrett <mjg59 at google.com>
 security/lock_down.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/security/lock_down.c b/security/lock_down.c
index 9913fff09ad0..2659722784cc 100644
--- a/security/lock_down.c
+++ b/security/lock_down.c
@@ -70,8 +70,8 @@ bool __kernel_is_locked_down(const char *what, enum lockdown_level level,
 			     bool first)
 	if ((kernel_locked_down >= level) && what && first)
-		pr_notice("Lockdown: %s is restricted; see man kernel_lockdown.7\n",
-			  what);
+		pr_notice("Lockdown: %s: %s is restricted; see man kernel_lockdown.7\n",
+			  current->comm, what);
 	return (kernel_locked_down >= level);

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