Happens since 12:26 today. First got SIGABRT for some reason, now consistently segfaults after running for just a minute or two.
Jun 30 12:26:01 netflow2001 nfacctd[14318]: INFO ( default_kafka/kafka ): [/etc/pmacct/librdkafka.conf] Reading librdkafka global config. Jun 30 12:26:01 netflow2001 nfacctd[14318]: INFO ( default_kafka/kafka ): *** Purging cache - START (PID: 14318) *** Jun 30 12:26:04 netflow2001 nfacctd[14318]: INFO ( default_kafka/kafka ): *** Purging cache - END (PID: 14318, QN: 5061/5061, ET: 0) *** Jun 30 12:26:47 netflow2001 systemd[1]: nfacctd.service: Main process exited, code=killed, status=6/ABRT Jun 30 12:26:47 netflow2001 systemd[1]: nfacctd.service: Failed with result 'signal'.
/var/log/syslog:Jun 30 12:32:18 netflow2001 kernel: [4228819.586764] nfacctd[15310]: segfault at 7fcbcefaa008 ip 00007fcbe659f28a sp 00007fcbe568aa50 error 6 in libc-2.28.so[7fcbe653e000+148000] /var/log/syslog:Jun 30 13:02:42 netflow2001 kernel: [4230643.380476] nfacctd[18020]: segfault at 7fc0a95b8018 ip 00007fc0d00d028a sp 00007fc0cf1bb9f0 error 6 in libc-2.28.so[7fc0d006f000+148000] /var/log/syslog:Jun 30 13:32:54 netflow2001 kernel: [4232455.096526] nfacctd[20887]: segfault at 7fbc33d97048 ip 00007fbc49b9628a sp 00007fbc48c81aa0 error 6 in libc-2.28.so[7fbc49b35000+148000] /var/log/syslog:Jun 30 14:03:17 netflow2001 kernel: [4234277.712698] nfacctd[23426]: segfault at 7f76a902a008 ip 00007f76c9baf28a sp 00007f76c8c9aae0 error 6 in libc-2.28.so[7f76c9b4e000+148000] /var/log/syslog:Jun 30 14:33:31 netflow2001 kernel: [4236092.440528] nfacctd[26449]: segfault at 7f81e5234008 ip 00007f820c2cf28a sp 00007f820b3ba9f0 error 6 in libc-2.28.so[7f820c26e000+148000] /var/log/syslog:Jun 30 15:03:54 netflow2001 kernel: [4237915.137993] nfacctd[28875]: segfault at 7fd3d9429028 ip 00007fd400be328a sp 00007fd3ffcce9f0 error 6 in libc-2.28.so[7fd400b82000+148000] /var/log/syslog:Jun 30 15:34:13 netflow2001 kernel: [4239733.568781] nfacctd[31748]: segfault at 7fc22d097048 ip 00007fc24eee228a sp 00007fc24dfcd980 error 6 in libc-2.28.so[7fc24ee81000+148000] /var/log/syslog:Jun 30 16:01:59 netflow2001 kernel: [4241399.977073] nfacctd[1898]: segfault at 7f33f91bb018 ip 00007f340a1bc28a sp 00007f34092a7a50 error 6 in libc-2.28.so[7f340a15b000+148000] /var/log/syslog:Jun 30 16:32:22 netflow2001 kernel: [4243222.558480] nfacctd[4811]: segfault at 7f89fd273008 ip 00007f8a0852828a sp 00007f8a07613980 error 6 in libc-2.28.so[7f8a084c7000+148000] /var/log/syslog:Jun 30 17:02:36 netflow2001 kernel: [4245037.119738] nfacctd[7443]: segfault at 7f7785422008 ip 00007f779ad2728a sp 00007f7799e129f0 error 6 in libc-2.28.so[7f779acc6000+148000] /var/log/syslog:Jun 30 17:32:59 netflow2001 kernel: [4246860.013527] nfacctd[10245]: segfault at 7f8291712018 ip 00007f82a6f0428a sp 00007f82a5fefa80 error 6 in libc-2.28.so[7f82a6ea3000+148000] /var/log/syslog:Jun 30 17:38:46 netflow2001 kernel: [4247206.419012] nfacctd[11368]: segfault at 7f2bf1007018 ip 00007f2c17b6528a sp 00007f2c16c50a80 error 6 in libc-2.28.so[7f2c17b04000+148000] /var/log/syslog:Jun 30 17:46:44 netflow2001 kernel: [4247685.373720] nfacctd[11683]: segfault at 7f19e2964008 ip 00007f19fa68c28a sp 00007f19f9777980 error 6 in libc-2.28.so[7f19fa62b000+148000]
As a guess from logs this seems to often be associated with specifically cr2-eqdfw connecting as a BGP peer, but it is hard to be sure.