Two more fixes.

1. The recordmcount change had an output that used sprintf() (incorrectly)
     when it should have been a fprintf() to stderr.
 
  2. The printk_formats file could crash if someone added a trace_printk()
     in the core kernel, and also added one in a module. This does not
     affect production kernels. Only kernels where developers add trace_printk()
     for debugging can crash.
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Merge tag 'trace-v4.4-rc4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Two more fixes:

  1. The recordmcount change had an output that used sprintf()
     (incorrectly) when it should have been a fprintf() to stderr.

  2. The printk_formats file could crash if someone added a
     trace_printk() in the core kernel, and also added one in a module.
     This does not affect production kernels.  Only kernels where
     developers add trace_printk() for debugging can crash"

* tag 'trace-v4.4-rc4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Fix setting of start_index in find_next()
  ftrace/scripts: Fix incorrect use of sprintf in recordmcount

kernel/trace/trace_printk.c

@@ -273,6 +273,7 @@ static const char **find_next(void *v, loff_t *pos)
 	if (*pos < last_index + start_index)
 		return __start___tracepoint_str + (*pos - last_index);
 
+	start_index += last_index;
 	return find_next_mod_format(start_index, v, fmt, pos);
 }
 

scripts/recordmcount.c

@@ -586,7 +586,7 @@ main(int argc, char *argv[])
 			do_file(file);
 			break;
 		case SJ_FAIL:    /* error in do_file or below */
-			sprintf("%s: failed\n", file);
+			fprintf(stderr, "%s: failed\n", file);
 			++n_error;
 			break;
 		case SJ_SUCCEED:    /* premature success */