linux-kernel - [PATCH ghak59 V2 2/6] audit: add syscall information to CONFIG

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Message-Id: <64557e69dc228577eee0de48409b017da7093920.1532709911.git.rgb@redhat.com>
Date:   Fri, 27 Jul 2018 15:48:13 -0400
From:   Richard Guy Briggs <rgb@...hat.com>
To:     Linux-Audit Mailing List <linux-audit@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     eparis@...isplace.org, Paul Moore <paul@...l-moore.com>,
        Steve Grubb <sgrubb@...hat.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Richard Guy Briggs <rgb@...hat.com>
Subject: [PATCH ghak59 V2 2/6] audit: add syscall information to CONFIG_CHANGE records

Tie syscall information to all CONFIG_CHANGE calls since they are all a
result of user actions.

See: https://github.com/linux-audit/audit-kernel/issues/59
See: https://github.com/linux-audit/audit-kernel/issues/50
Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
---
 kernel/audit.c          | 4 ++--
 kernel/audit_fsnotify.c | 2 +-
 kernel/audit_tree.c     | 2 +-
 kernel/audit_watch.c    | 2 +-
 kernel/auditfilter.c    | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index 1ed8723..6cfe3c9 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -397,7 +397,7 @@ static int audit_log_config_change(char *function_name, u32 new, u32 old,
 	struct audit_buffer *ab;
 	int rc = 0;
 
-	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
+	ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
 	if (unlikely(!ab))
 		return rc;
 	audit_log_format(ab, "op=set %s=%u old=%u", function_name, new, old);
@@ -1064,7 +1064,7 @@ static void audit_log_common_recv_msg(struct audit_buffer **ab, u16 msg_type)
 		return;
 	}
 
-	*ab = audit_log_start(NULL, GFP_KERNEL, msg_type);
+	*ab = audit_log_start(audit_context(), GFP_KERNEL, msg_type);
 	if (unlikely(!*ab))
 		return;
 	audit_log_format(*ab, "pid=%d uid=%u", pid, uid);
diff --git a/kernel/audit_fsnotify.c b/kernel/audit_fsnotify.c
index fba7804..ae5c89b 100644
--- a/kernel/audit_fsnotify.c
+++ b/kernel/audit_fsnotify.c
@@ -127,7 +127,7 @@ static void audit_mark_log_rule_change(struct audit_fsnotify_mark *audit_mark, c
 
 	if (!audit_enabled)
 		return;
-	ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE);
+	ab = audit_log_start(audit_context(), GFP_NOFS, AUDIT_CONFIG_CHANGE);
 	if (unlikely(!ab))
 		return;
 	audit_log_format(ab, "auid=%u ses=%u op=%s",
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 9f6eaeb..f0b7d30 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -499,7 +499,7 @@ static void audit_tree_log_remove_rule(struct audit_krule *rule)
 
 	if (!audit_enabled)
 		return;
-	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
+	ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
 	if (unlikely(!ab))
 		return;
 	audit_log_format(ab, "op=remove_rule");
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 787c7af..26c2fae 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -242,7 +242,7 @@ static void audit_watch_log_rule_change(struct audit_krule *r, struct audit_watc
 
 	if (!audit_enabled)
 		return;
-	ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE);
+	ab = audit_log_start(audit_context(), GFP_NOFS, AUDIT_CONFIG_CHANGE);
 	if (!ab)
 		return;
 	audit_log_format(ab, "auid=%u ses=%u op=%s",
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index bf309f2..26a80a9 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1091,7 +1091,7 @@ static void audit_log_rule_change(char *action, struct audit_krule *rule, int re
 	if (!audit_enabled)
 		return;
 
-	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
+	ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
 	if (!ab)
 		return;
 	audit_log_session_info(ab);
-- 
1.8.3.1