1 files changed, 6 insertions, 4 deletions

diff --git a/net/core/scm.c b/net/core/scm.c
index 811b53fb330e..ff52ad0a5150 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -173,7 +173,7 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
                         if (err)
                                 goto error;
 
-                        if (pid_vnr(p->pid) != p->creds.pid) {
+                        if (!p->pid || pid_vnr(p->pid) != p->creds.pid) {
                                 struct pid *pid;
                                 err = -ESRCH;
                                 pid = find_get_pid(p->creds.pid);
@@ -183,8 +183,9 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
                                 p->pid = pid;
                         }
 
-                        if ((p->cred->euid != p->creds.uid) ||
-                                (p->cred->egid != p->creds.gid)) {
+                        if (!p->cred ||
+                            (p->cred->euid != p->creds.uid) ||
+                            (p->cred->egid != p->creds.gid)) {
                                 struct cred *cred;
                                 err = -ENOMEM;
                                 cred = prepare_creds();
@@ -193,7 +194,8 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
 
                                 cred->uid = cred->euid = p->creds.uid;
                                 cred->gid = cred->egid = p->creds.gid;
-                                put_cred(p->cred);
+                                if (p->cred)
+                                        put_cred(p->cred);
                                 p->cred = cred;
                         }
                         break;