Pi-Hole-FTL Crash

Expected Behaviour:

continuous operations.

Actual Behaviour:

Crash 1

[2022-11-23 00:17:06.503 27985M] Resizing "FTL-dns-cache" from 651264 to (40960 * 16) == 655360 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 00:58:50.892 27985M] Resizing "FTL-dns-cache" from 655360 to (41216 * 16) == 659456 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 05:38:17.626 27985M] Resizing "FTL-dns-cache" from 659456 to (41472 * 16) == 663552 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:04:20.914 27985M] Resizing "FTL-dns-cache" from 663552 to (41728 * 16) == 667648 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:30:44.889 27985M] Resizing "FTL-dns-cache" from 667648 to (41984 * 16) == 671744 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:32:30.982 27985M] Resizing "FTL-dns-cache" from 671744 to (42240 * 16) == 675840 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:36:02.154 27985M] Resizing "FTL-dns-cache" from 675840 to (42496 * 16) == 679936 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:41:44.668 27985M] Resizing "FTL-dns-cache" from 679936 to (42752 * 16) == 684032 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:51:23.371 27985M] Resizing "FTL-dns-cache" from 684032 to (43008 * 16) == 688128 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 08:57:21.863 27985M] Resizing "FTL-dns-cache" from 688128 to (43264 * 16) == 692224 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 09:01:39.769 27985M] Resizing "FTL-dns-cache" from 692224 to (43520 * 16) == 696320 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 09:06:40.821 27985M] Resizing "FTL-dns-cache" from 696320 to (43776 * 16) == 700416 (/dev/shm: 21.7MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 09:10:18.062 27985M] Resizing "FTL-dns-cache" from 700416 to (44032 * 16) == 704512 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 09:13:52.710 27985M] Resizing "FTL-dns-cache" from 704512 to (44288 * 16) == 708608 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.7MB)
[2022-11-23 09:16:27.055 27985M] Resizing "FTL-dns-cache" from 708608 to (44544 * 16) == 712704 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.8MB)
[2022-11-23 09:19:23.981 27985M] Resizing "FTL-dns-cache" from 712704 to (44800 * 16) == 716800 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.8MB)
[2022-11-23 09:22:00.416 27985M] Resizing "FTL-dns-cache" from 716800 to (45056 * 16) == 720896 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.8MB)
[2022-11-23 09:25:16.165 27985M] Resizing "FTL-dns-cache" from 720896 to (45312 * 16) == 724992 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.8MB)
[2022-11-23 09:30:34.804 27985M] Resizing "FTL-dns-cache" from 724992 to (45568 * 16) == 729088 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.8MB)
[2022-11-23 09:32:59.147 21567/F27985] Resizing "FTL-domains" from 368640 to (15872 * 24) == 380928 (/dev/shm: 21.8MB used, 1.0GB total, FTL uses 21.8MB)
[2022-11-23 09:32:59.320 21569/F27985] Remapping "FTL-queries" from 19726336 to (352256 * 56) == 19726336
[2022-11-23 09:32:59.320 21569/F27985] Remapping "FTL-domains" from 368640 to (15872 * 24) == 380928
[2022-11-23 09:32:59.320 21569/F27985] Remapping "FTL-clients" from 86016 to (128 * 672) == 86016
[2022-11-23 09:32:59.321 21569/F27985] Remapping "FTL-upstreams" from 315392 to (512 * 616) == 315392
[2022-11-23 09:32:59.321 21569/F27985] Remapping "FTL-dns-cache" from 729088 to (45568 * 16) == 729088
[2022-11-23 09:32:59.321 21569/F27985] Remapping "FTL-per-client-regex" from 4096 to (4096 * 1) == 4096
[2022-11-23 09:32:59.321 21569/F27985] Remapping "FTL-strings" from 532480 to (532480 * 1) == 532480
[2022-11-23 09:32:59.322 21570/F27985] Remapping "FTL-queries" from 19726336 to (352256 * 56) == 19726336
[2022-11-23 09:32:59.322 21570/F27985] Remapping "FTL-domains" from 368640 to (15872 * 24) == 380928
[2022-11-23 09:32:59.322 21570/F27985] Remapping "FTL-clients" from 86016 to (128 * 672) == 86016
[2022-11-23 09:32:59.323 21570/F27985] Remapping "FTL-upstreams" from 315392 to (512 * 616) == 315392
[2022-11-23 09:32:59.323 21570/F27985] Remapping "FTL-dns-cache" from 729088 to (45568 * 16) == 729088
[2022-11-23 09:32:59.323 21570/F27985] Remapping "FTL-per-client-regex" from 4096 to (4096 * 1) == 4096
[2022-11-23 09:32:59.323 21570/F27985] Remapping "FTL-strings" from 532480 to (532480 * 1) == 532480
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-queries" from 19726336 to (352256 * 56) == 19726336
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-domains" from 368640 to (15872 * 24) == 380928
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-clients" from 86016 to (128 * 672) == 86016
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-upstreams" from 315392 to (512 * 616) == 315392
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-dns-cache" from 729088 to (45568 * 16) == 729088
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-per-client-regex" from 4096 to (4096 * 1) == 4096
[2022-11-23 09:32:59.386 27985M] Remapping "FTL-strings" from 532480 to (532480 * 1) == 532480
[2022-11-23 09:33:03.194 21587/F27985] SQLite3 message: database is locked in "SELECT hwaddr FROM network WHERE id = (SELECT network_id FROM network_addresses WHERE ip = ? GROUP BY ip HAVING max(lastSeen));" (5)
[2022-11-23 09:33:03.194 21587/F27985] getMACfromIP("192.168.1.8") - SQL error prepare: database is locked
[2022-11-23 09:33:04.194 21587/F27985] SQLite3 message: database is locked in "SELECT name FROM network_addresses WHERE name IS NOT NULL AND ip = ?;" (5)
[2022-11-23 09:33:04.194 21587/F27985] getNameFromIP("192.168.1.8") - SQL error prepare: database is locked
[2022-11-23 09:33:05.194 21587/F27985] SQLite3 message: database is locked in "SELECT interface FROM network JOIN network_addresses ON network_addresses.network_id = network.id WHERE network_addresses.ip = ? AND interface != 'N/A' AND interface IS NOT NULL;" (5)
[2022-11-23 09:33:05.194 21587/F27985] getIfaceFromIP("192.168.1.8") - SQL error prepare: database is locked
[2022-11-23 09:33:05.216 21595/F27985] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2022-11-23 09:33:05.216 21595/F27985] ----------------------------> FTL crashed! <----------------------------
[2022-11-23 09:33:05.216 21595/F27985] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2022-11-23 09:33:05.216 21595/F27985] Please report a bug at Issues · pi-hole/FTL · GitHub
[2022-11-23 09:33:05.216 21595/F27985] and include in your report already the following details:
[2022-11-23 09:33:05.216 21595/F27985] FTL has been running for 135652 seconds
[2022-11-23 09:33:05.216 21595/F27985] FTL branch: master
[2022-11-23 09:33:05.216 21595/F27985] FTL version: v5.19.1
[2022-11-23 09:33:05.216 21595/F27985] FTL commit: b48b3e1f
[2022-11-23 09:33:05.216 21595/F27985] FTL date: 2022-11-14 22:01:50 +0000
[2022-11-23 09:33:05.216 21595/F27985] FTL user: started as pihole, ended as pihole
[2022-11-23 09:33:05.216 21595/F27985] Compiled for x86_64 (compiled on CI) using gcc (Debian 8.3.0-6) 8.3.0
[2022-11-23 09:33:05.216 21595/F27985] Process details: MID: 27985
[2022-11-23 09:33:05.216 21595/F27985] PID: 21595
[2022-11-23 09:33:05.216 21595/F27985] TID: 21595
[2022-11-23 09:33:05.216 21595/F27985] Name: pihole-FTL
[2022-11-23 09:33:05.216 21595/F27985] Received signal: Segmentation fault
[2022-11-23 09:33:05.216 21595/F27985] at address: 0x7f1bca7b0008
[2022-11-23 09:33:05.216 21595/F27985] with code: SEGV_MAPERR (Address not mapped to object)
[2022-11-23 09:33:05.216 21595/F27985] Backtrace:
[2022-11-23 09:33:05.217 21595/F27985] B[0000]: /usr/bin/pihole-FTL(generate_backtrace+0x41) [0x560d97af5571]
[2022-11-23 09:33:05.218 21595/F27985] L[0000]: N/A (0x5b571 -> addr2line 0x5b571 -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.218 21595/F27985] B[0001]: /usr/bin/pihole-FTL(+0x5bacd) [0x560d97af5acd]
[2022-11-23 09:33:05.219 21595/F27985] L[0001]: N/A (0x5bacd -> addr2line 0x5bacd -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.219 21595/F27985] B[0002]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x12730) [0x7f1bca99a730]
[2022-11-23 09:33:05.219 21595/F27985] B[0003]: /usr/bin/pihole-FTL(_lock_shm+0x71) [0x560d97af45d1]
[2022-11-23 09:33:05.220 21595/F27985] L[0003]: N/A (0x5a5d1 -> addr2line 0x5a5d1 -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.220 21595/F27985] B[0004]: /usr/bin/pihole-FTL(_FTL_new_query+0x246) [0x560d97ae6de6]
[2022-11-23 09:33:05.221 21595/F27985] L[0004]: N/A (0x4cde6 -> addr2line 0x4cde6 -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.221 21595/F27985] B[0005]: /usr/bin/pihole-FTL(tcp_request+0x840) [0x560d97b2a610]
[2022-11-23 09:33:05.222 21595/F27985] L[0005]: N/A (0x90610 -> addr2line 0x90610 -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.222 21595/F27985] B[0006]: /usr/bin/pihole-FTL(+0x81ffa) [0x560d97b1bffa]
[2022-11-23 09:33:05.222 21595/F27985] L[0006]: N/A (0x81ffa -> addr2line 0x81ffa -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.223 21595/F27985] B[0007]: /usr/bin/pihole-FTL(main_dnsmasq+0x145a) [0x560d97b1e07a]
[2022-11-23 09:33:05.223 21595/F27985] L[0007]: N/A (0x8407a -> addr2line 0x8407a -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.223 21595/F27985] B[0008]: /usr/bin/pihole-FTL(main+0x13c) [0x560d97ada74c]
[2022-11-23 09:33:05.224 21595/F27985] L[0008]: N/A (0x4074c -> addr2line 0x4074c -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.224 21595/F27985] B[0009]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb) [0x7f1bca7ec09b]
[2022-11-23 09:33:05.224 21595/F27985] B[0010]: /usr/bin/pihole-FTL(_start+0x2a) [0x560d97adae1a]
[2022-11-23 09:33:05.225 21595/F27985] L[0010]: N/A (0x40e1a -> addr2line 0x40e1a -e /usr/bin/pihole-FTL)
[2022-11-23 09:33:05.225 21595/F27985] ------ Listing content of directory /dev/shm ------
[2022-11-23 09:33:05.225 21595/F27985] File Mode User:Group Size Filename
[2022-11-23 09:33:05.225 21595/F27985] rwxrwxrwx root:root 260 .
[2022-11-23 09:33:05.225 21595/F27985] rwxr-xr-x root:root 3K ..
[2022-11-23 09:33:05.225 21595/F27985] rw------- pihole:pihole 4K FTL-per-client-regex
[2022-11-23 09:33:05.225 21595/F27985] rw------- pihole:pihole 729K FTL-dns-cache
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 8K FTL-overTime
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 20M FTL-queries
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 315K FTL-upstreams
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 86K FTL-clients
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 381K FTL-domains
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 532K FTL-strings
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 16 FTL-settings
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 248 FTL-counters
[2022-11-23 09:33:05.226 21595/F27985] rw------- pihole:pihole 88 FTL-lock
[2022-11-23 09:33:05.226 21595/F27985] ---------------------------------------------------
[2022-11-23 09:33:05.226 21595/F27985] Please also include some lines from above the !!!!!!!!! header.
[2022-11-23 09:33:05.226 21595/F27985] Thank you for helping us to improve our FTL engine!
[2022-11-23 09:33:05.226 21595/F27985] Asking parent pihole-FTL (PID 27985) to shut down
[2022-11-23 09:33:05.226 27985M] Received: Real-time signal 2 (36 -> 2)
[2022-11-23 09:33:05.226 21595/F27985] FTL fork terminated!
[2022-11-23 09:33:05.226 27985M] Error when obtaining outer SHM lock: Owner died
[2022-11-23 09:33:05.229 27985M] Shutting down...
[2022-11-23 09:33:06.479 27985M] SQLite3 message: database is locked in "INSERT INTO query_storage (timestamp,type,status,domain,client,forward,additional_info,reply_type,reply_time,dnssec) VALUES (?1,?2,?3,(SELECT id FROM domain_by_id WHERE domain = ?4),(SEL (5)
[2022-11-23 09:33:06.956 27985M] WARNING: Storing queries in long-term database failed: database is locked
[2022-11-23 09:33:06.956 27985M] Keeping queries in memory for later new attempt
[2022-11-23 09:33:06.956 27985M] Waiting for threads to join
[2022-11-23 09:33:07.020 27985/T28001] Terminating database thread
[2022-11-23 09:33:07.021 27985M] Thread housekeeper (1) is idle, terminating it.
[2022-11-23 09:33:07.021 27985M] Thread DNS client (2) is idle, terminating it.
[2022-11-23 09:33:07.021 27985M] All threads joined
[2022-11-23 09:33:07.021 27985M] Joining API worker thread 0
[2022-11-23 09:33:07.021 27985M] Joining API worker thread 1
[2022-11-23 09:33:07.021 27985M] Joining API worker thread 2
[2022-11-23 09:33:07.021 27985M] Joining API worker thread 3
[2022-11-23 09:33:07.021 27985M] Joining API worker thread 4
[2022-11-23 09:33:07.026 27985M] ########## FTL terminated after 1d 13h 40m 53s (code 1)! ##########

Crash 2 - 10 minutes later

[2022-11-23 09:55:28.525 21789M] Resizing "FTL-dns-cache" from 4096 to (512 * 16) == 8192 (/dev/shm: 19.0MB used, 1.0GB total, FTL uses 19.0MB)
[2022-11-23 09:56:10.628 21789M] Resizing "FTL-dns-cache" from 8192 to (768 * 16) == 12288 (/dev/shm: 19.0MB used, 1.0GB total, FTL uses 19.0MB)
[2022-11-23 09:56:50.724 21789M] Resizing "FTL-dns-cache" from 12288 to (1024 * 16) == 16384 (/dev/shm: 19.0MB used, 1.0GB total, FTL uses 19.0MB)
[2022-11-23 09:57:25.219 21789M] Resizing "FTL-queries" from 18120704 to (327680 * 56) == 18350080 (/dev/shm: 19.0MB used, 1.0GB total, FTL uses 19.0MB)
[2022-11-23 09:57:39.457 21789M] Resizing "FTL-dns-cache" from 16384 to (1280 * 16) == 20480 (/dev/shm: 19.2MB used, 1.0GB total, FTL uses 19.2MB)
[2022-11-23 09:58:32.504 21789M] Resizing "FTL-dns-cache" from 20480 to (1536 * 16) == 24576 (/dev/shm: 19.2MB used, 1.0GB total, FTL uses 19.2MB)
[2022-11-23 09:59:24.284 21789M] Resizing "FTL-dns-cache" from 24576 to (1792 * 16) == 28672 (/dev/shm: 19.2MB used, 1.0GB total, FTL uses 19.2MB)
[2022-11-23 10:00:08.795 21789M] Resizing "FTL-strings" from 245760 to (286720 * 1) == 286720 (/dev/shm: 19.2MB used, 1.0GB total, FTL uses 19.2MB)
[2022-11-23 10:00:17.412 21789M] Resizing "FTL-dns-cache" from 28672 to (2048 * 16) == 32768 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:00:47.624 21789M] Resizing "FTL-domains" from 184320 to (8192 * 24) == 196608 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:01:06.538 21789M] Resizing "FTL-dns-cache" from 32768 to (2304 * 16) == 36864 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:01:56.255 21789M] Resizing "FTL-dns-cache" from 36864 to (2560 * 16) == 40960 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:03:07.304 21789M] Resizing "FTL-dns-cache" from 40960 to (2816 * 16) == 45056 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:03:36.669 21789M] Resizing "FTL-dns-cache" from 45056 to (3072 * 16) == 49152 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:04:46.049 21789M] Resizing "FTL-dns-cache" from 49152 to (3328 * 16) == 53248 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:05:48.995 21789M] Resizing "FTL-dns-cache" from 53248 to (3584 * 16) == 57344 (/dev/shm: 19.3MB used, 1.0GB total, FTL uses 19.3MB)
[2022-11-23 10:06:02.877 21934/F21789] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2022-11-23 10:06:02.877 21934/F21789] ----------------------------> FTL crashed! <----------------------------
[2022-11-23 10:06:02.877 21934/F21789] !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2022-11-23 10:06:02.877 21934/F21789] Please report a bug at Issues · pi-hole/FTL · GitHub
[2022-11-23 10:06:02.877 21934/F21789] and include in your report already the following details:
[2022-11-23 10:06:02.877 21934/F21789] FTL has been running for 653 seconds
[2022-11-23 10:06:02.877 21934/F21789] FTL branch: master
[2022-11-23 10:06:02.877 21934/F21789] FTL version: v5.19.1
[2022-11-23 10:06:02.877 21934/F21789] FTL commit: b48b3e1f
[2022-11-23 10:06:02.877 21934/F21789] FTL date: 2022-11-14 22:01:50 +0000
[2022-11-23 10:06:02.877 21934/F21789] FTL user: started as pihole, ended as pihole
[2022-11-23 10:06:02.877 21934/F21789] Compiled for x86_64 (compiled on CI) using gcc (Debian 8.3.0-6) 8.3.0
[2022-11-23 10:06:02.877 21934/F21789] Process details: MID: 21789
[2022-11-23 10:06:02.877 21934/F21789] PID: 21934
[2022-11-23 10:06:02.877 21934/F21789] TID: 21934
[2022-11-23 10:06:02.878 21934/F21789] Name: pihole-FTL
[2022-11-23 10:06:02.878 21934/F21789] Received signal: Segmentation fault
[2022-11-23 10:06:02.878 21934/F21789] at address: 0x7f08ab2da008
[2022-11-23 10:06:02.878 21934/F21789] with code: SEGV_MAPERR (Address not mapped to object)
[2022-11-23 10:06:02.878 21934/F21789] Backtrace:
[2022-11-23 10:06:02.878 21934/F21789] B[0000]: /usr/bin/pihole-FTL(generate_backtrace+0x41) [0x560e76f5a571]
[2022-11-23 10:06:02.879 21934/F21789] L[0000]: N/A (0x5b571 -> addr2line 0x5b571 -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.879 21934/F21789] B[0001]: /usr/bin/pihole-FTL(+0x5bacd) [0x560e76f5aacd]
[2022-11-23 10:06:02.880 21934/F21789] L[0001]: N/A (0x5bacd -> addr2line 0x5bacd -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.880 21934/F21789] B[0002]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x12730) [0x7f08ab13a730]
[2022-11-23 10:06:02.880 21934/F21789] B[0003]: /usr/bin/pihole-FTL(_lock_shm+0x71) [0x560e76f595d1]
[2022-11-23 10:06:02.881 21934/F21789] L[0003]: N/A (0x5a5d1 -> addr2line 0x5a5d1 -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.881 21934/F21789] B[0004]: /usr/bin/pihole-FTL(_FTL_new_query+0x246) [0x560e76f4bde6]
[2022-11-23 10:06:02.882 21934/F21789] L[0004]: N/A (0x4cde6 -> addr2line 0x4cde6 -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.883 21934/F21789] B[0005]: /usr/bin/pihole-FTL(tcp_request+0x840) [0x560e76f8f610]
[2022-11-23 10:06:02.883 21934/F21789] L[0005]: N/A (0x90610 -> addr2line 0x90610 -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.883 21934/F21789] B[0006]: /usr/bin/pihole-FTL(+0x81ffa) [0x560e76f80ffa]
[2022-11-23 10:06:02.884 21934/F21789] L[0006]: N/A (0x81ffa -> addr2line 0x81ffa -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.884 21934/F21789] B[0007]: /usr/bin/pihole-FTL(main_dnsmasq+0x145a) [0x560e76f8307a]
[2022-11-23 10:06:02.885 21934/F21789] L[0007]: N/A (0x8407a -> addr2line 0x8407a -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.885 21934/F21789] B[0008]: /usr/bin/pihole-FTL(main+0x13c) [0x560e76f3f74c]
[2022-11-23 10:06:02.886 21934/F21789] L[0008]: N/A (0x4074c -> addr2line 0x4074c -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.887 21934/F21789] B[0009]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb) [0x7f08aaf8c09b]
[2022-11-23 10:06:02.887 21934/F21789] B[0010]: /usr/bin/pihole-FTL(_start+0x2a) [0x560e76f3fe1a]
[2022-11-23 10:06:02.887 21934/F21789] L[0010]: N/A (0x40e1a -> addr2line 0x40e1a -e /usr/bin/pihole-FTL)
[2022-11-23 10:06:02.888 21934/F21789] ------ Listing content of directory /dev/shm ------
[2022-11-23 10:06:02.888 21934/F21789] File Mode User:Group Size Filename
[2022-11-23 10:06:02.888 21934/F21789] rwxrwxrwx root:root 260 .
[2022-11-23 10:06:02.888 21934/F21789] rwxr-xr-x root:root 3K ..
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 4K FTL-per-client-regex
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 57K FTL-dns-cache
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 8K FTL-overTime
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 18M FTL-queries
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 315K FTL-upstreams
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 86K FTL-clients
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 197K FTL-domains
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 287K FTL-strings
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 16 FTL-settings
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 248 FTL-counters
[2022-11-23 10:06:02.888 21934/F21789] rw------- pihole:pihole 88 FTL-lock
[2022-11-23 10:06:02.888 21934/F21789] ---------------------------------------------------
[2022-11-23 10:06:02.888 21934/F21789] Please also include some lines from above the !!!!!!!!! header.
[2022-11-23 10:06:02.888 21934/F21789] Thank you for helping us to improve our FTL engine!
[2022-11-23 10:06:02.888 21934/F21789] Asking parent pihole-FTL (PID 21789) to shut down
[2022-11-23 10:06:02.888 21789M] Received: Real-time signal 2 (36 -> 2)
[2022-11-23 10:06:02.888 21934/F21789] FTL fork terminated!
[2022-11-23 10:06:02.888 21789/T21805] Error when obtaining outer SHM lock: Owner died
[2022-11-23 10:06:02.898 21789M] Shutting down...
[2022-11-23 10:06:03.151 21789M] Finished final database update (stored 2 queries)
[2022-11-23 10:06:03.151 21789M] Waiting for threads to join
[2022-11-23 10:06:03.151 21789M] Thread database (0) is idle, terminating it.
[2022-11-23 10:06:03.151 21789M] Thread housekeeper (1) is idle, terminating it.
[2022-11-23 10:06:03.152 21789M] Thread DNS client (2) is idle, terminating it.
[2022-11-23 10:06:03.152 21789M] All threads joined
[2022-11-23 10:06:03.152 21789M] Joining API worker thread 0
[2022-11-23 10:06:03.152 21789M] Joining API worker thread 1
[2022-11-23 10:06:03.152 21789M] Joining API worker thread 2
[2022-11-23 10:06:03.152 21789M] Joining API worker thread 3
[2022-11-23 10:06:03.152 21789M] Joining API worker thread 4
[2022-11-23 10:06:03.156 21789M] ########## FTL terminated after 10m 54s (code 1)! ##########

Debug Token:

Distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
Codename: buster

Debug Token: https://tricorder.pi-hole.net/Og1ahy4h/

You are running:

*** [ DIAGNOSING ]: FTL version
[✓] Version: v5.19.1

So your observation seems like another instance of FTL crashed [Fixed in 5.19.2] · Issue #1478 · pi-hole/FTL · GitHub, for which a fix is available in v5.19.2.

Run pihole -up to get that fix.

Updated! Thanks!

like in the bug your link, i updated it recently, after working with Pi-Hole for 2 full years without crash