1 files changed, 26 insertions, 0 deletions

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 6af9cdd558b7..74a3d693c196 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -594,6 +594,32 @@ int ptrace_request(struct task_struct *child, long request,
                 ret = ptrace_detach(child, data);
                 break;
 
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+        case PTRACE_GETFDPIC: {
+                struct mm_struct *mm = get_task_mm(child);
+                unsigned long tmp = 0;
+
+                ret = -ESRCH;
+                if (!mm)
+                        break;
+
+                switch (addr) {
+                case PTRACE_GETFDPIC_EXEC:
+                        tmp = mm->context.exec_fdpic_loadmap;
+                        break;
+                case PTRACE_GETFDPIC_INTERP:
+                        tmp = mm->context.interp_fdpic_loadmap;
+                        break;
+                default:
+                        break;
+                }
+                mmput(mm);
+
+                ret = put_user(tmp, (unsigned long __user *) data);
+                break;
+        }
+#endif
+
 #ifdef PTRACE_SINGLESTEP
         case PTRACE_SINGLESTEP:
 #endif