ntop crashed with SIGSEGV in _int_malloc()

[William Geiger]

crashes on shutdown from webpage

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: ntop 3:5.0.1+dfsg1-2.2ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Fri Mar 25 18:49:17 2016
ExecutablePath: /usr/sbin/ntop
InstallationDate: Installed on 2016-03-04 (21 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160229)
ProcCmdline: /usr/sbin/ntop -d -L -u ntop -P /var/lib/ntop --access-log-file /var/log/ntop/access.log -i enp2s0 -p /etc/ntop/protocol.list -O /var/log/ntop
ProcEnviron:
 PATH=(custom, no user)
 LANG=C
Signal: 11
SourcePackage: ntop
StacktraceTop:
 _int_malloc (av=av@entry=0x7f17c0000020, bytes=bytes@entry=105) at malloc.c:3517
 __GI___libc_malloc (bytes=105) at malloc.c:2914
 ntop_safestrdup () from /usr/lib/ntop/libntop-5.0.1.so
 traceEvent () from /usr/lib/ntop/libntop-5.0.1.so
 handleWebConnections () from /usr/lib/ntop/libntopreport-5.0.1.so
Title: ntop crashed with SIGSEGV in _int_malloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 _int_malloc (av=av@entry=0x7f17c0000020, bytes=bytes@entry=105) at malloc.c:3517
 __GI___libc_malloc (bytes=105) at malloc.c:2914
 ntop_safestrdup (ptr=0x7f17d8d31ae0 "Fri Mar 25 18:49:16 2016 THREADMGMT[t139740398696192]: WEB: Server connection thread terminated [p1158]", file=<optimized out>, line=<optimized out>) at leaks.c:203
 traceEvent (eventTraceLevel=eventTraceLevel@entry=3, file=file@entry=0x7f17e69a0116 "webInterface.c", line=line@entry=7966, format=format@entry=0x7f17e69a97e0 "THREADMGMT[t%lu]: WEB: Server connection thread terminated [p%d]") at util.c:2772
 handleWebConnections (notUsed=<optimized out>) at webInterface.c:7966