rbtdb.c:1497: fatal error
Summary
After days running bind it suddenly crashes and stops. When looking at the logs we encounter an rbtdb.c fatal error.
BIND version used
BIND 9.11.5 (Extended Support Version) id:3b0b204 running on Linux x86_64 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 built by make with '--enable-threads' '--enable-largefile' '--disable-ipv6' '--with-tuning=large' compiled by GCC 4.8.5 20150623 (Red Hat 4.8.5-28) compiled with OpenSSL version: OpenSSL 1.0.2k 26 Jan 2017 linked to OpenSSL version: OpenSSL 1.0.2k-fips 26 Jan 2017 compiled with zlib version: 1.2.7 linked to zlib version: 1.2.7 threads support is enabled
Steps to reproduce
No steps in particular. Just running and receiving high DNS traffic.
What is the current bug behavior?
Service exits completely.
What is the expected correct behavior?
Service to continue to run without interruptions.
Relevant configuration files
Options in named.conf:
options {
directory "/conf";
dnssec-validation auto;
auth-nxdomain no;
pid-file "/var/run/named.pid";
statistics-file "/var/run/named.stats";
dump-file "/var/run/named.db";
version "[secured]";
tcp-clients 1500;
// only allow recursion from authorized addresses
allow-recursion { coqui-prt; private; };
listen-on port 53 { 10.10.220.100; };
// set the maximum recursive queries by clients
recursive-clients 95000;
};Relevant logs and/or screenshots
Dec 2 16:04:20 wdnscache2 named[8617]: rbtdb.c:1497: fatal error:
Dec 2 16:04:20 wdnscache2 named[8617]: RUNTIME_CHECK(rbtdb->next_serial != 0) failed
Dec 2 16:04:20 wdnscache2 named[8617]: exiting (due to fatal error in library)Possible fixes
None yet. Just start service and it continues.