Public bug reported:
When ulogd2 has problems reopening the pcap file it will crash
immediately or some seconds later - most likely due to first attempt to
flush packets to dump file after reopen (file NULL-ptr?).
Reproduce:
chown root.root /var/log/ulog/ulogd.pcap
chmod 0644 /var/log/ulog/ulogd.pcap
# Invoke command similar to logrotate:
invoke-rc.d ulogd2 reload
Mar 9 00:15:43 localhost ulogd[3567]: can't open pcap file
/var/log/ulog/ulogd.pcap: Permission denied
Mar 9 00:15:44 localhost kernel: [210247.584746] ulogd[3567]: segfault at 0 ip
00007fbd8379fda0 sp 00007ffff30e8ed0 error 4 in
libc-2.19.so[7fbd83731000+1bb000]
# lsb_release -rd
Description: Ubuntu 14.04.2 LTS
Release: 14.04
# apt-cache policy ulogd2-pcap
ulogd2-pcap:
Installed: 2.0.3-1ubuntu2
Candidate: 2.0.3-1ubuntu2
Version table:
*** 2.0.3-1ubuntu2 0
500 http://debarchive-ehealth.d03.arc.local/ubuntu/ trusty/universe
amd64 Packages
100 /var/lib/dpkg/status
# apt-cache policy ulogd2
ulogd2:
Installed: 2.0.3-1ubuntu2
Candidate: 2.0.3-1ubuntu2
Version table:
*** 2.0.3-1ubuntu2 0
500 http://debarchive-ehealth.d03.arc.local/ubuntu/ trusty/universe
amd64 Packages
100 /var/lib/dpkg/status
** Affects: ulogd2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1429778
Title:
Ulogd crashes when pcap file has wrong permissions
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