FTL crashed (sqlite3_finalize+0x37)

[JohnstonCode]

[2020-06-22 19:49:47.166 1937] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2020-06-22 19:49:47.166 1937] ---------------------------->  FTL crashed!  <----------------------------
[2020-06-22 19:49:47.166 1937] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2020-06-22 19:49:47.166 1937] Please report a bug at https://github.com/pi-hole/FTL/issues
[2020-06-22 19:49:47.166 1937] and include in your report already the following details:
[2020-06-22 19:49:47.166 1937] FTL has been running for 8821 seconds
[2020-06-22 19:49:47.166 1937] FTL branch: fix/fhriley-fix_buf_overflow
[2020-06-22 19:49:47.166 1937] FTL version: vDev-3c0553e
[2020-06-22 19:49:47.166 1937] FTL commit: 3c0553e
[2020-06-22 19:49:47.166 1937] FTL date: 2020-06-18 19:33:27 +0200
[2020-06-22 19:49:47.167 1937] FTL user: started as pihole, ended as pihole
[2020-06-22 19:49:47.167 1937] Compiled for armhf (compiled on CI) using arm-linux-gnueabihf-gcc (Debian 6.3.0-18) 6.3.0 20170516
[2020-06-22 19:49:47.167 1937] Received signal: Segmentation fault
[2020-06-22 19:49:47.167 1937]      at address: 0x59
[2020-06-22 19:49:47.167 1937]      with code: SEGV_MAPERR (Address not mapped to object)
[2020-06-22 19:49:47.168 1937] Backtrace:
[2020-06-22 19:49:47.169 1937] B[0000]: 0x4768d6, /usr/bin/pihole-FTL(+0x258d6) [0x4768d6]
[2020-06-22 19:49:47.407 1937] L[0000]: /root/project/src/signals.c:94
[2020-06-22 19:49:47.416 1937] B[0001]: 0x76e16130, /lib/arm-linux-gnueabihf/libc.so.6(__default_rt_sa_restorer+0) [0x76e16130]
[2020-06-22 19:49:47.416 1937] B[0002]: 0x4bcf7e, /usr/bin/pihole-FTL(+0x6bf7e) [0x4bcf7e]
[2020-06-22 19:49:47.605 1937] L[0002]: /root/project/src/database/sqlite3.c:27530
[2020-06-22 19:49:47.621 1937] B[0003]: 0x4cac92, /usr/bin/pihole-FTL(+0x79c92) [0x4cac92]
[2020-06-22 19:49:47.777 1937] L[0003]: /root/project/src/database/sqlite3.c:80717
[2020-06-22 19:49:47.793 1937] B[0004]: 0x4f8f3c, /usr/bin/pihole-FTL(+0xa7f3c) [0x4f8f3c]
[2020-06-22 19:49:47.949 1937] L[0004]: /root/project/src/database/sqlite3.c:80751
[2020-06-22 19:49:47.965 1937] B[0005]: 0x4f9010, /usr/bin/pihole-FTL(sqlite3_finalize+0x37) [0x4f9010]
[2020-06-22 19:49:48.120 1937] L[0005]: /root/project/src/database/sqlite3.c:27946
[2020-06-22 19:49:48.137 1937] B[0006]: 0x47bdd6, /usr/bin/pihole-FTL(+0x2add6) [0x47bdd6]
[2020-06-22 19:49:48.157 1937] L[0006]: /root/project/src/database/gravity-db.c:490
[2020-06-22 19:49:48.159 1937] B[0007]: 0x48b942, /usr/bin/pihole-FTL(+0x3a942) [0x48b942]
[2020-06-22 19:49:48.183 1937] L[0007]: /root/project/src/dnsmasq/dnsmasq.c:1254
[2020-06-22 19:49:48.188 1937] B[0008]: 0x76e16120, /lib/arm-linux-gnueabihf/libc.so.6(__default_sa_restorer+0) [0x76e16120]
[2020-06-22 19:49:48.188 1937] B[0009]: 0x4f9044, /usr/bin/pihole-FTL(sqlite3_finalize+0x6b) [0x4f9044]
[2020-06-22 19:49:48.397 1937] L[0009]: /root/project/src/database/sqlite3.c:25801
[2020-06-22 19:49:48.414 1937] B[0010]: 0x47bdd6, /usr/bin/pihole-FTL(+0x2add6) [0x47bdd6]
[2020-06-22 19:49:48.434 1937] L[0010]: /root/project/src/database/gravity-db.c:490
[2020-06-22 19:49:48.436 1937] B[0011]: 0x48b796, /usr/bin/pihole-FTL(+0x3a796) [0x48b796]
[2020-06-22 19:49:48.460 1937] L[0011]: /root/project/src/dnsmasq/dnsmasq.c:1981
[2020-06-22 19:49:48.463 1937] B[0012]: 0x48ca50, /usr/bin/pihole-FTL(main_dnsmasq+0xc07) [0x48ca50]
[2020-06-22 19:49:48.487 1937] L[0012]: /root/project/src/dnsmasq/dnsmasq.c:1206
[2020-06-22 19:49:48.489 1937] B[0013]: 0x46c740, /usr/bin/pihole-FTL(main+0xa7) [0x46c740]
[2020-06-22 19:49:48.507 1937] L[0013]: /root/project/src/main.c:95
[2020-06-22 19:49:48.509 1937] B[0014]: 0x76e00718, /lib/arm-linux-gnueabihf/libc.so.6(__libc_start_main+0x10c) [0x76e00718]
[2020-06-22 19:49:48.509 1937] ------ Listing content of directory /dev/shm ------
[2020-06-22 19:49:48.509 1937] File Mode User:Group  Filesize Filename
[2020-06-22 19:49:48.510 1937] rwxrwxrwx root:root 260 .
[2020-06-22 19:49:48.510 1937] rwxr-xr-x root:root 4K ..
[2020-06-22 19:49:48.510 1937] rw------- pihole:pihole 4K FTL-per-client-regex
[2020-06-22 19:49:48.510 1937] rw------- pihole:pihole 16K FTL-dns-cache
[2020-06-22 19:49:48.510 1937] rw------- pihole:pihole 29K FTL-overTime
[2020-06-22 19:49:48.510 1937] rw------- pihole:pihole 1M FTL-queries
[2020-06-22 19:49:48.510 1937] rw------- pihole:pihole 20K FTL-upstreams
[2020-06-22 19:49:48.510 1937] rw------- pihole:pihole 324K FTL-clients
[2020-06-22 19:49:48.511 1937] rw------- pihole:pihole 66K FTL-domains
[2020-06-22 19:49:48.511 1937] rw------- pihole:pihole 53K FTL-strings
[2020-06-22 19:49:48.511 1937] rw------- pihole:pihole 12 FTL-settings
[2020-06-22 19:49:48.511 1937] rw------- pihole:pihole 124 FTL-counters
[2020-06-22 19:49:48.511 1937] rw------- pihole:pihole 28 FTL-lock
[2020-06-22 19:49:48.511 1937] ---------------------------------------------------
[2020-06-22 19:49:48.511 1937] Thank you for helping us to improve our FTL engine!
[2020-06-22 19:49:48.511 1937] FTL terminated!

Originally posted by @JohnstonCode in https://github.com/pi-hole/FTL/issues/770#issuecomment-648663985