Package: isc-dhcp-server Version: 4.4.1-2.3 Severity: grave Justification: renders package unusable
-- System Information: Debian Release: 11.0 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 5.10.0-8-amd64 (SMP w/2 CPU threads) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=ANSI_X3.4-1968) (ignored: LC_ALL set to C), LANGUAGE=en_US:en Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages isc-dhcp-server depends on: ii debconf [debconf-2.0] 1.5.77 ii debianutils 4.11.2 ii libc6 2.31-13 ii libdns-export1110 1:9.11.19+dfsg-2.1 ii libirs-export161 1:9.11.19+dfsg-2.1 ii libisc-export1105 1:9.11.19+dfsg-2.1 ii lsb-base 11.1.0 Versions of packages isc-dhcp-server recommends: ii isc-dhcp-common 4.4.1-2.3 ii policycoreutils 3.1-3 Versions of packages isc-dhcp-server suggests: pn isc-dhcp-server-ldap <none> pn policykit-1 <none> -- Configuration Files: /etc/dhcp/dhcpd.conf changed [not included] -- debconf information excluded -- To Reproduce -- Two DHCP servers need to be configured as failover peers. Issue the following commands using omshell # omshell > server localhost > port 7911 > key omapi_key <the key> > connect Segmentation fault (core dumped) Note, the connect works occasionally after a cold server restart, but once the failure starts there is no recovery. The connect does not always result is a segfault. Frequently the connect just hangs. example from 'dmesg' output: [Tue Sep 28 11:05:22 2021] omshell[4604]: segfault at 0 ip 000055623cdd06dc sp 00007ffd5a2c7c78 error 4 in omshell[55623cd97000+45000]