** Description changed: + [ Impact ] + + snmpd crashes irregularly with segfaults when running an internal + _check_interface_entry_for_updates function. + + [ Test Plan ] + + As shown in the upstream bug at https://github.com/net-snmp/net- + snmp/issues/107, this has no clear/trivial reproducer. We will rely on + affected users to test our fix, as we have been doing while + investigating the issue. + + [ Where problems could occur ] + + Apart from the usual concerns on rebuilding the package against new + versions of its dependencies, the segfault in question may take days to + manifest. Therefore, we may end up applying upstream fixes which do not + really fix the exact observed issue. If this is the case, there will be + no need to revert changes as long as they will not cause regressions + since they are indeed bug fixes, but we may need to re-open this bug and + keep chasing the proper fix if this happens. + + [ Other Info ] + + We are currently relying on WBTMagnum's feedback for this SRU. They have + been providing great feedback on this bug for the past 18 months. + + [ Original message ] + snmpd crashes with segfault: Feb 15 19:54:23 linux060 kernel: [622538.454874] snmpd[1958]: segfault at 0 ip 00007f62f56d6167 sp 00007fffafb63060 error 6 in libnetsnmpmibs.so.15.1.2[7f62f5625000+10f000] Description: Ubuntu 10.04.2 LTS Release: 10.04 - snmpd: - Installed: 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 - Candidate: 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 - Version table: - *** 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 0 - 500 http://nl.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages - 500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages - 100 /var/lib/dpkg/status - 5.4.2.1~dfsg0ubuntu1-0ubuntu2 0 - 500 http://nl.archive.ubuntu.com/ubuntu/ lucid/main Packages + Installed: 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 + Candidate: 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 + Version table: + *** 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 0 + 500 http://nl.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages + 500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages + 100 /var/lib/dpkg/status + 5.4.2.1~dfsg0ubuntu1-0ubuntu2 0 + 500 http://nl.archive.ubuntu.com/ubuntu/ lucid/main Packages ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: snmpd 5.4.2.1~dfsg0ubuntu1-0ubuntu2.1 ProcVersionSignature: Ubuntu 2.6.32-27.49-server 2.6.32.26+drm33.12 Uname: Linux 2.6.32-27-server x86_64 Architecture: amd64 Date: Thu Feb 17 11:54:37 2011 InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release amd64 (20100427) ProcEnviron: SHELL=/bin/bash SNMPVersion: - NET-SNMP version: 5.4.2.1 - Web: http://www.net-snmp.org/ - Email: [email protected] + NET-SNMP version: 5.4.2.1 + Web: http://www.net-snmp.org/ + Email: [email protected] SourcePackage: net-snmp SyslogSnmptrapd: - + mtime.conffile..etc.default.snmpd: 2011-01-28T09:26:16 mtime.conffile..etc.snmp.snmpd.conf: 2011-02-17T11:54:26.656267
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