*** This bug is a duplicate of bug 1568336 ***
https://bugs.launchpad.net/bugs/1568336
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ppp (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1569022
Title:
pppd crashed with SIGSEGV in plugin_init()
Status in ppp package in Ubuntu:
Confirmed
Bug description:
After updating networkmanager to the v1.2 rc1 version available in the
proposed repository I'm experiencing segfaults in the nm-pptp-pppd-
plugin when trying to connect to a PPTP VPN. Complete stack trace is
attached.
ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: ppp 2.4.7-1+2ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Mon Apr 11 09:04:23 2016
ExecutablePath: /usr/sbin/pppd
ExecutableTimestamp: 1454061683
InstallationDate: Installed on 2016-03-25 (16 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
ProcCmdline: /usr/sbin/pppd pty /usr/sbin/pptp\ 80.254.79.16\ --nolaunchpppd\
--loglevel\ 0\ --logstring\ nm-pptp-service-2504 ipparam nm-pptp-service-2504
nodetach lock usepeerdns noipdefault nodefaultroute noauth user xjsftnfp
refuse-eap refuse-pap refuse-chap refuse-mschap require-mppe lcp-echo-failure 0
lcp-echo-interval 0 plugin /usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so
ProcCwd: /
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SegvAnalysis:
Segfault happened at: 0x7fbf712eab0c <plugin_init+460>: mov
0x8(%rax),%r8
PC (0x7fbf712eab0c) ok
source "0x8(%rax)" (0x00000008) not located in a known VMA region (needed
readable region)!
destination "%r8" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: ppp
StacktraceTop:
plugin_init () from
/tmp/apport_sandbox_NxSl7I/usr/lib/pppd/2.4.7/nm-pptp-pppd-plugin.so
loadplugin (argv=<optimized out>) at options.c:1651
process_option (opt=0x560c41f4d3d0 <general_options+3024>,
cmd=cmd@entry=0x7ffcbd84ef0c "plugin", argv=argv@entry=0x7ffcbd84e440) at
options.c:807
parse_args (argc=1, argv=0x7ffcbd84e440) at options.c:410
main (argc=24, argv=0x7ffcbd84e388) at main.c:364
Title: pppd crashed with SIGSEGV in plugin_init()
UpgradeStatus: No upgrade log present (probably fresh install)
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