Public bug reported:
We are running a long-running stunnel4 daemon to proxy TLS connections
to another set of servers. After leaving it running for a few weeks, its
memory usage had grown to 1.5GB. Restarting it reduced its memory usage
to expected levels (VSZ and RSS) but while I've been watching it today
it has grown by more than 10MB.
The stunnel website indicates that there have been fixes relating to
memory leaks in versions 5.32 and 5.33, but Ubuntu LTS is still running
5.30.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: stunnel4 3:5.30-1
ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21
Uname: Linux 4.4.0-45-generic i686
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: i386
Date: Mon Jan 9 16:03:37 2017
InstallationDate: Installed on 2015-10-31 (435 days ago)
InstallationMedia: Ubuntu-Server 15.10 "Wily Werewolf" - Release i386 (20151021)
ProcEnviron:
TERM=xterm
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_US.UTF-8
XDG_RUNTIME_DIR=<set>
SourcePackage: stunnel4
UpgradeStatus: Upgraded to xenial on 2016-05-18 (236 days ago)
mtime.conffile..etc.default.stunnel4: 2016-10-26T22:22:28.166247
** Affects: stunnel4 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 xenial
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https://bugs.launchpad.net/bugs/1655153
Title:
long-running stunnel leaks memory
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