BIND 9.16.8 assertion failure
Summary
BIND crashed with an assertion failure in netmgr.c
BIND version used
BIND 9.16.8 (Stable Release) <id:539f9f0>
running on Linux x86_64 3.10.0-957.21.3.el7.x86_64 #1 SMP Tue Jun 18 16:35:19 UTC 2019
built by make with '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu' '--program-prefix=' '--disable-dependency-tracking' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--sysconfdir=/etc/named' '--disable-static' '--with-pic' '--without-python' '--with-libtool' '--without-lmdb' 'build_alias=x86_64-redhat-linux-gnu' 'host_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DISC_MEM_USE_INTERNAL_MALLOC=0 -fno-omit-frame-pointer' 'LDFLAGS=-Wl,-z,relro ' 'PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'
compiled by GCC 4.8.5 20150623 (Red Hat 4.8.5-39)
compiled with OpenSSL version: OpenSSL 1.0.2k-fips 26 Jan 2017
linked to OpenSSL version: OpenSSL 1.0.2k-fips 26 Jan 2017
compiled with libuv version: 1.40.0
linked to libuv version: 1.40.0
compiled with libxml2 version: 2.9.1
linked to libxml2 version: 20901
compiled with json-c version: 0.11
linked to json-c version: 0.11
compiled with zlib version: 1.2.7
linked to zlib version: 1.2.7
threads support is enabled
default paths:
named configuration: /etc/named/named.conf
rndc configuration: /etc/named/rndc.conf
DNSSEC root key: /etc/named/bind.keys
nsupdate session key: /var/run/named/session.key
named PID file: /var/run/named/named.pid
named lock file: /var/run/named/named.lockSteps to reproduce
I don't know.
What is the current bug behavior?
BIND crashed and stopped serving queries.
What is the expected correct behavior?
BIND should not crash.
Relevant configuration files
acl "internal" {
key "main.ripe.net";
};
logging {
channel "default" {
file "/var/log/named/named.log";
severity info;
print-time yes;
print-category yes;
};
channel "ratelimit" {
file "/var/log/named/ratelimit.ringlog" versions 10 size 10485760;
print-time yes;
};
category "default" {
"default";
};
category "rate-limit" {
"ratelimit";
};
category "update" {
"null";
};
category "update-security" {
"null";
};
};
masters "hidden-main" {
IPv6-1 key "main.ripe.net";
IPv6-2 key "main.ripe.net";
IPv4-1 key "main.ripe.net";
IPv4-2 key "main.ripe.net";
};
options {
answer-cookie no;
directory "/var/named";
keep-response-order {
"any";
};
listen-on {
127.0.0.1/32;
IPv4/32;
193.0.14.129/32;
193.0.15.129/32;
};
listen-on-v6 {
::1/128;
IPv6/128;
2001:7fd::1/128;
2001:7fd:15::1/128;
};
server-id hostname;
tcp-clients 1000;
version "9.16";
dnssec-validation no;
minimal-responses yes;
recursion no;
allow-transfer {
"internal";
};
max-journal-size 10485760;
notify explicit;
zero-no-soa-ttl no;
zone-statistics none;
};
key "main.ripe.net" {
algorithm "hmac-sha256";
secret "????????????????????????????????????????????";
};
zone "." {
type slave;
file ".zone";
masters {
"hidden-main";
};
allow-transfer {
"any";
};
};
zone "arpa." {
type slave;
file "arpa.zone";
masters {
"hidden-main";
};
allow-transfer {
"any";
};
};
zone "root-servers.net." {
type slave;
file "root-servers.net.zone";
masters {
"hidden-main";
};
allow-transfer {
"any";
};
};Relevant logs and/or screenshots
22-Oct-2020 12:45:30.655 general: netmgr.c:1176: REQUIRE(((__builtin_expect(!!((handle) != ((void *)0)), 1) && __builtin_expect(!!(((const isc__magic_t *)(handle))->magic == ((('N') << 24 | ('M') << 16 | ('H') << 8 | ('D')))), 1)) && __atomic_load_n(&(handle)->references, memory_order_seq_cst) > 0)) failed, back trace
22-Oct-2020 12:45:30.655 general: #0 0x42b597 in ??
22-Oct-2020 12:45:30.655 general: #1 0x7f251d7ea2da in ??
22-Oct-2020 12:45:30.655 general: #2 0x7f251d801750 in ??
22-Oct-2020 12:45:30.655 general: #3 0x7f251d8088bc in ??
22-Oct-2020 12:45:30.655 general: #4 0x7f251ee402a7 in ??
22-Oct-2020 12:45:30.655 general: #5 0x7f251ee41c6a in ??
22-Oct-2020 12:45:30.655 general: #6 0x7f251ee50d2c in ??
22-Oct-2020 12:45:30.655 general: #7 0x7f251ee586ee in ??
22-Oct-2020 12:45:30.655 general: #8 0x7f251ee59305 in ??
22-Oct-2020 12:45:30.655 general: #9 0x7f251ee60a6a in ??
22-Oct-2020 12:45:30.655 general: #10 0x7f251ee5d0d1 in ??
22-Oct-2020 12:45:30.655 general: #11 0x7f251ee5f6aa in ??
22-Oct-2020 12:45:30.655 general: #12 0x7f251ee5fd36 in ??
22-Oct-2020 12:45:30.655 general: #13 0x7f251ee608ea in ??
22-Oct-2020 12:45:30.655 general: #14 0x7f251ee44fb0 in ??
22-Oct-2020 12:45:30.655 general: #15 0x7f251d807bac in ??
22-Oct-2020 12:45:30.655 general: #16 0x7f251d807feb in ??
22-Oct-2020 12:45:30.655 general: #17 0x7f251d8042a4 in ??
22-Oct-2020 12:45:30.655 general: #18 0x7f251cc2e164 in ??
22-Oct-2020 12:45:30.655 general: #19 0x7f251cc2ee7c in ??
22-Oct-2020 12:45:30.655 general: #20 0x7f251cc348c3 in ??
22-Oct-2020 12:45:30.655 general: #21 0x7f251cc240d0 in ??
22-Oct-2020 12:45:30.655 general: #22 0x7f251d8037a9 in ??
22-Oct-2020 12:45:30.655 general: #23 0x7f251c396ea5 in ??
22-Oct-2020 12:45:30.655 general: #24 0x7f251c0bf8dd in ??
22-Oct-2020 12:45:30.655 general: exiting (due to assertion failure)Possible fixes
I don't know.