打补丁常见错误patch: **** malformed patch at line

--- strace-4.5.16-orig/syscall.c    2005-06-08 21:45:28.000000000+0100
+++ strace-4.5.16/syscall.c    2005-10-25 19:26:39.000000000+0100
@@ -1045,6 +1045,15 @@ struct tcb *tcp;
<span style="color:#00cccc;BACKGROUND-COLOR: #ffffff">         /*
          * Note: we only deal with only 32-bit CPUs here.
          */
</span><span style="color:#ff0000;BACKGROUND-COLOR: #ffffff">+
+        if(!(tcp->flags& TCB_INSYSCALL)&&
+         (tcp->flags& TCB_WAITEXECVE)){
+            /* caught a fake syscall from the execve's exit */
+            tcp->flags&= ~TCB_WAITEXECVE;
+            return 0;
+        }
+ 
+
</span><span style