[PATCH 1/2] integrity: Add errno field in audit message

Error code is not included in the audit messages logged by the integrity subsystem. Add a new field namely "errno" in the audit message and set the value to the error code passed to integrity_audit_msg() in the "result" parameter. Sample audit message: [ 6.284329] audit: type=1804 audit(1591756723.627:2): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel op=add_boot_aggregate cause=alloc_entry errno=-12 comm="swapper/0" name="boot_aggregate" res=0 Signed-off-by: Lakshmi Ramasubramanian <nramas(a)linux.microsoft.com&gt; Suggested-by: Steve Grubb <sgrubb(a)redhat.com&gt; --- security/integrity/integrity_audit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c index 5109173839cc..8cbf415bb977 100644 --- a/security/integrity/integrity_audit.c +++ b/security/integrity/integrity_audit.c @@ -42,7 +42,8 @@ void integrity_audit_msg(int audit_msgno, struct inode *inode, from_kuid(&init_user_ns, audit_get_loginuid(current)), audit_get_sessionid(current)); audit_log_task_context(ab); - audit_log_format(ab, " op=%s cause=%s comm=", op, cause); + audit_log_format(ab, " op=%s cause=%s errno=%d comm=", + op, cause, result); audit_log_untrustedstring(ab, get_task_comm(name, current)); if (fname) { audit_log_format(ab, " name="); -- 2.27.0