$ uname -a Linux bionic 5.3.0-1043-gke #46-Ubuntu SMP Fri Apr 16 09:14:49 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux $ ./leak.sh $ echo $? 0 $
$ uname -a
Linux bionic 5.3.0-1043-gke #46-Ubuntu SMP Fri Apr 16 09:14:49 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ ./leak.sh
$ echo $?
0
$