arm64: confis: enable devfreq thermal for rk3399 linux
[firefly-linux-kernel-4.4.55.git] / security / lsm_audit.c
index 8f6b8e8a4cc8ae4ec6e93da615e4fe5ec23f35a3..45d927ab807d82425b470d1e597b786fa91b7259 100644 (file)
@@ -211,7 +211,7 @@ static inline void print_ipv4_addr(struct audit_buffer *ab, __be32 addr,
 static void dump_common_audit_data(struct audit_buffer *ab,
                                   struct common_audit_data *a)
 {
-       struct task_struct *tsk = current;
+       char comm[sizeof(current->comm)];
 
        /*
         * To keep stack sizes in check force programers to notice if they
@@ -220,8 +220,8 @@ static void dump_common_audit_data(struct audit_buffer *ab,
         */
        BUILD_BUG_ON(sizeof(a->u) > sizeof(void *)*2);
 
-       audit_log_format(ab, " pid=%d comm=", tsk->pid);
-       audit_log_untrustedstring(ab, tsk->comm);
+       audit_log_format(ab, " pid=%d comm=", task_tgid_nr(current));
+       audit_log_untrustedstring(ab, memcpy(comm, current->comm, sizeof(comm)));
 
        switch (a->type) {
        case LSM_AUDIT_DATA_NONE:
@@ -237,7 +237,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
 
                audit_log_d_path(ab, " path=", &a->u.path);
 
-               inode = a->u.path.dentry->d_inode;
+               inode = d_backing_inode(a->u.path.dentry);
                if (inode) {
                        audit_log_format(ab, " dev=");
                        audit_log_untrustedstring(ab, inode->i_sb->s_id);
@@ -266,7 +266,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
                audit_log_format(ab, " name=");
                audit_log_untrustedstring(ab, a->u.dentry->d_name.name);
 
-               inode = a->u.dentry->d_inode;
+               inode = d_backing_inode(a->u.dentry);
                if (inode) {
                        audit_log_format(ab, " dev=");
                        audit_log_untrustedstring(ab, inode->i_sb->s_id);
@@ -291,13 +291,19 @@ static void dump_common_audit_data(struct audit_buffer *ab,
                audit_log_format(ab, " ino=%lu", inode->i_ino);
                break;
        }
-       case LSM_AUDIT_DATA_TASK:
-               tsk = a->u.tsk;
-               if (tsk && tsk->pid) {
-                       audit_log_format(ab, " pid=%d comm=", tsk->pid);
-                       audit_log_untrustedstring(ab, tsk->comm);
+       case LSM_AUDIT_DATA_TASK: {
+               struct task_struct *tsk = a->u.tsk;
+               if (tsk) {
+                       pid_t pid = task_tgid_nr(tsk);
+                       if (pid) {
+                               char comm[sizeof(tsk->comm)];
+                               audit_log_format(ab, " opid=%d ocomm=", pid);
+                               audit_log_untrustedstring(ab,
+                                   memcpy(comm, tsk->comm, sizeof(comm)));
+                       }
                }
                break;
+       }
        case LSM_AUDIT_DATA_NET:
                if (a->u.net->sk) {
                        struct sock *sk = a->u.net->sk;
@@ -317,18 +323,19 @@ static void dump_common_audit_data(struct audit_buffer *ab,
                                                "faddr", "fport");
                                break;
                        }
+#if IS_ENABLED(CONFIG_IPV6)
                        case AF_INET6: {
                                struct inet_sock *inet = inet_sk(sk);
-                               struct ipv6_pinfo *inet6 = inet6_sk(sk);
 
-                               print_ipv6_addr(ab, &inet6->rcv_saddr,
+                               print_ipv6_addr(ab, &sk->sk_v6_rcv_saddr,
                                                inet->inet_sport,
                                                "laddr", "lport");
-                               print_ipv6_addr(ab, &inet6->daddr,
+                               print_ipv6_addr(ab, &sk->sk_v6_daddr,
                                                inet->inet_dport,
                                                "faddr", "fport");
                                break;
                        }
+#endif
                        case AF_UNIX:
                                u = unix_sk(sk);
                                if (u->path.dentry) {
@@ -411,7 +418,8 @@ void common_lsm_audit(struct common_audit_data *a,
        if (a == NULL)
                return;
        /* we use GFP_ATOMIC so we won't sleep */
-       ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_AVC);
+       ab = audit_log_start(current->audit_context, GFP_ATOMIC | __GFP_NOWARN,
+                            AUDIT_AVC);
 
        if (ab == NULL)
                return;