usb: dwc3: rockchip: fix possible circular deadlock

[firefly-linux-kernel-4.4.55.git] / kernel / audit.c

diff --git a/kernel/audit.c b/kernel/audit.c
index 5ffcbd354a520b88781ed2d66c7839a7aaa7f86d..34f690b9213abc7f42088329f1005e0be468e111 100644 (file)
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -870,6 +870,12 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                                return err;
                }
                if (s.mask & AUDIT_STATUS_PID) {
+                       /* NOTE: we are using task_tgid_vnr() below because
+                        *       the s.pid value is relative to the namespace
+                        *       of the caller; at present this doesn't matter
+                        *       much since you can really only run auditd
+                        *       from the initial pid namespace, but something
+                        *       to keep in mind if this changes */
                        int new_pid = s.pid;
 
                        if ((!new_pid) && (task_tgid_vnr(current) != audit_pid))
@@ -1896,7 +1902,7 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
                         " euid=%u suid=%u fsuid=%u"
                         " egid=%u sgid=%u fsgid=%u tty=%s ses=%u",
                         task_ppid_nr(tsk),
-                        task_pid_nr(tsk),
+                        task_tgid_nr(tsk),
                         from_kuid(&init_user_ns, audit_get_loginuid(tsk)),
                         from_kuid(&init_user_ns, cred->uid),
                         from_kgid(&init_user_ns, cred->gid),