We are seeing the same issue, but only since upgrading from trusty to xenial.
After about 1 day: F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 1 116 1512 1 20 0 711992 512324 - Ss ? 1:46 /usr/bin/stunnel4 /etc/stunnel/stunnel.conf After restarting stunnel4: F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 1 116 15023 1 20 0 182596 5392 - Ssl ? 0:00 /usr/bin/stunnel4 /etc/stunnel/stunnel.conf -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1655153 Title: long-running stunnel leaks memory To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/stunnel4/+bug/1655153/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
