netdev - [RFC PATCH ghak32 V2 10/13] audit: add containerid support for seccomp and anom

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Date:   Fri, 16 Mar 2018 05:00:37 -0400
From:   Richard Guy Briggs <rgb@...hat.com>
To:     cgroups@...r.kernel.org, containers@...ts.linux-foundation.org,
        linux-api@...r.kernel.org,
        Linux-Audit Mailing List <linux-audit@...hat.com>,
        linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        netdev@...r.kernel.org
Cc:     luto@...nel.org, jlayton@...hat.com, carlos@...hat.com,
        viro@...iv.linux.org.uk, dhowells@...hat.com, simo@...hat.com,
        eparis@...isplace.org, serge@...lyn.com, ebiederm@...ssion.com,
        madzcar@...il.com, Richard Guy Briggs <rgb@...hat.com>
Subject: [RFC PATCH ghak32 V2 10/13] audit: add containerid support for seccomp and anom_abend records

Add container ID auxiliary records to secure computing and abnormal end
standalone records.

Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
---
 kernel/auditsc.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 7103d23..2f02ed9 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2571,6 +2571,7 @@ static void audit_log_task(struct audit_buffer *ab)
 void audit_core_dumps(long signr)
 {
 	struct audit_buffer *ab;
+	struct audit_context *context = audit_alloc_local();
 
 	if (!audit_enabled)
 		return;
@@ -2578,19 +2579,22 @@ void audit_core_dumps(long signr)
 	if (signr == SIGQUIT)	/* don't care for those */
 		return;
 
-	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_ANOM_ABEND);
+	ab = audit_log_start(context, GFP_KERNEL, AUDIT_ANOM_ABEND);
 	if (unlikely(!ab))
 		return;
 	audit_log_task(ab);
 	audit_log_format(ab, " sig=%ld res=1", signr);
 	audit_log_end(ab);
+	audit_log_container_info(context, "abend", audit_get_containerid(current));
+	audit_free_context(context);
 }
 
 void __audit_seccomp(unsigned long syscall, long signr, int code)
 {
 	struct audit_buffer *ab;
+	struct audit_context *context = audit_alloc_local();
 
-	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_SECCOMP);
+	ab = audit_log_start(context, GFP_KERNEL, AUDIT_SECCOMP);
 	if (unlikely(!ab))
 		return;
 	audit_log_task(ab);
@@ -2598,6 +2602,8 @@ void __audit_seccomp(unsigned long syscall, long signr, int code)
 			 signr, syscall_get_arch(), syscall,
 			 in_compat_syscall(), KSTK_EIP(current), code);
 	audit_log_end(ab);
+	audit_log_container_info(context, "seccomp", audit_get_containerid(current));
+	audit_free_context(context);
 }
 
 struct list_head *audit_killed_trees(void)
-- 
1.8.3.1