[systemd-devel] [PATCH] selinux-access:log_callback() increase buffer for audit logging

[harald at redhat.com]

From: Harald Hoyer <harald at redhat.com>

As per https://bugzilla.redhat.com/show_bug.cgi?id=883043#c5
we can increase the buffer used with audit_log_user_avc_message() safely
to 4096 bytes.
---
 src/core/selinux-access.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/selinux-access.c b/src/core/selinux-access.c
index 08a4834..363673a 100644
--- a/src/core/selinux-access.c
+++ b/src/core/selinux-access.c
@@ -181,7 +181,7 @@ static int log_callback(int type, const char *fmt, ...) {
 
 #ifdef HAVE_AUDIT
         if (get_audit_fd() >= 0) {
-                char buf[LINE_MAX];
+                char buf[4096];
 
                 vsnprintf(buf, sizeof(buf), fmt, ap);
                 audit_log_user_avc_message(get_audit_fd(), AUDIT_USER_AVC, buf, NULL, NULL, NULL, 0);
-- 
1.8.1