1 files changed, 18 insertions, 7 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 3ae9bec5a508..03fc6a81ae32 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1738,24 +1738,34 @@ static inline u32 file_to_av(struct file *file)
 
 /* Hook functions begin here. */
 
-static int selinux_ptrace(struct task_struct *parent,
-                          struct task_struct *child,
-                          unsigned int mode)
+static int selinux_ptrace_may_access(struct task_struct *child,
+                                     unsigned int mode)
 {
         int rc;
 
-        rc = secondary_ops->ptrace(parent, child, mode);
+        rc = secondary_ops->ptrace_may_access(child, mode);
         if (rc)
                 return rc;
 
         if (mode == PTRACE_MODE_READ) {
-                struct task_security_struct *tsec = parent->security;
+                struct task_security_struct *tsec = current->security;
                 struct task_security_struct *csec = child->security;
                 return avc_has_perm(tsec->sid, csec->sid,
                                     SECCLASS_FILE, FILE__READ, NULL);
         }
 
-        return task_has_perm(parent, child, PROCESS__PTRACE);
+        return task_has_perm(current, child, PROCESS__PTRACE);
+}
+
+static int selinux_ptrace_traceme(struct task_struct *parent)
+{
+        int rc;
+
+        rc = secondary_ops->ptrace_traceme(parent);
+        if (rc)
+                return rc;
+
+        return task_has_perm(parent, current, PROCESS__PTRACE);
 }
 
 static int selinux_capget(struct task_struct *target, kernel_cap_t *effective,
@@ -5346,7 +5356,8 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
 static struct security_operations selinux_ops = {
         .name =                         "selinux",
 
-        .ptrace =                       selinux_ptrace,
+        .ptrace_may_access =            selinux_ptrace_may_access,
+        .ptrace_traceme =               selinux_ptrace_traceme,
         .capget =                       selinux_capget,
         .capset_check =                 selinux_capset_check,
         .capset_set =                   selinux_capset_set,