--- a/fscklog/fscklog.c 2016-01-29 04:59:54.102223291 +0000 +++ b/fscklog/fscklog.c 2016-01-29 05:00:10.707552565 +0000 @@ -252,8 +252,8 @@ sprintf(debug_detail, " [%s:%d]\n", basename(file_name), line_number); - printf(msg_string); - printf(debug_detail); + printf("%s", msg_string); + printf("%s", debug_detail); return 0; } --- a/fscklog/display.c 2016-01-29 05:05:42.582133444 +0000 +++ b/fscklog/display.c 2016-01-29 05:05:47.541231780 +0000 @@ -182,7 +182,7 @@ } else { /* the record looks ok */ msg_txt = &log_entry[log_entry_pos]; - printf(msg_txt); + printf("%s", msg_txt); /* * set up for the next record */ --- a/logdump/helpers.c 2016-01-29 05:06:26.081996021 +0000 +++ b/logdump/helpers.c 2016-01-29 05:06:43.097333425 +0000 @@ -95,8 +95,8 @@ sprintf(debug_detail, " [%s:%d]\n", file_name, line_number); - printf(msg_string); - printf(debug_detail); + printf("%s", msg_string); + printf("%s", debug_detail); return 0; }