On Mon, Feb 15, 2021 at 6:31 PM Diego Kreutz <kreutz@xxxxxxx> wrote: > > Hi, > > I found a bug in the cal command. It is a segmentation fault for the > following input. > > cal -d 20210516 > Segmentation fault: 11 where does your 'cal' command comes from? i can't find '-d' option/command line switch for util-linux cal