Output on lunar/armhf with libc6 2.36-0ubuntu4 installed:
$ gcc -o /tmp/augh /tmp/augh.c && /tmp/augh having a normal one. res=11,buf=hello world res=11 but buf=hello world $
And with libc6 2.37-0ubuntu1 installed:
$ gcc -o /tmp/augh /tmp/augh.c && /tmp/augh having a normal one. res=11,buf=hello world res=11 but buf=hello worl $
Output on lunar/armhf with libc6 2.36-0ubuntu4 installed:
$ gcc -o /tmp/augh /tmp/augh.c && /tmp/augh
having a normal one. res=11,buf=hello world
res=11 but buf=hello world
$
And with libc6 2.37-0ubuntu1 installed:
$ gcc -o /tmp/augh /tmp/augh.c && /tmp/augh
having a normal one. res=11,buf=hello world
res=11 but buf=hello worl
$