#include <asm/atomic.h>
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/err.h>
#include <linux/kthread.h>
skb_get(skb);
err = netlink_unicast(audit_sock, skb, audit_nlk_pid, 0);
if (err < 0) {
- BUG_ON(err != -ECONNREFUSED); /* Shoudn't happen */
+ BUG_ON(err != -ECONNREFUSED); /* Shouldn't happen */
printk(KERN_ERR "audit: *NO* daemon at audit_pid=%d\n", audit_pid);
audit_log_lost("auditd dissapeared\n");
audit_pid = 0;
break;
}
case AUDIT_SIGNAL_INFO:
- err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
- if (err)
- return err;
+ len = 0;
+ if (audit_sig_sid) {
+ err = security_secid_to_secctx(audit_sig_sid, &ctx, &len);
+ if (err)
+ return err;
+ }
sig_data = kmalloc(sizeof(*sig_data) + len, GFP_KERNEL);
if (!sig_data) {
- security_release_secctx(ctx, len);
+ if (audit_sig_sid)
+ security_release_secctx(ctx, len);
return -ENOMEM;
}
sig_data->uid = audit_sig_uid;
sig_data->pid = audit_sig_pid;
- memcpy(sig_data->ctx, ctx, len);
- security_release_secctx(ctx, len);
+ if (audit_sig_sid) {
+ memcpy(sig_data->ctx, ctx, len);
+ security_release_secctx(ctx, len);
+ }
audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_SIGNAL_INFO,
0, 0, sig_data, sizeof(*sig_data) + len);
kfree(sig_data);