electrumx crashed with general protection fault ip:50fcc4 sp:7ffcc2465108 error:0 in python3.7[421000+232000]

Electrumx has been running for 2d 11h and crashed. Dmesg:
[Tue Sep 15 08:43:16 2020] traps: electrumx_serve[3171321] general protection fault ip:50fcc4 sp:7ffcc2465108 error:0 in python3.7[421000+232000]
Electrumx log has nothing interesting:
2020-09-15 08:43:12,097:INFO:ElectrumX:[2771418] disconnected whilst throttled 2020-09-15 08:43:12,099:INFO:ElectrumX:[2771413] disconnected whilst throttled 2020-09-15 08:43:12,099:INFO:ElectrumX:[2771415] disconnected whilst throttled 2020-09-15 08:43:12,107:INFO:ElectrumX:[2771414] disconnected whilst throttled 2020-09-15 08:43:12,167:INFO:ElectrumX:[2771412] disconnected whilst throttled 2020-09-15 08:43:12,175:INFO:ElectrumX:[2771425] SSL 14.185.171.91:54000, 283 total

System:
OS: Debian GNU/Linux 10 (buster) x86_64
Kernel: 5.7.0-0.bpo.2-amd64
Electrum straight from git, latest commit:

commit 9ca59facfdb50daf063a5813fc9b08eb6fa1b246 (HEAD -> master, origin/master, origin/HEAD)
Merge: 148df48 23633c2
Author: ghost43 <somber.night@protonmail.com>
Date:   Mon Aug 24 17:30:54 2020 +0000

Start by reviewing the reported dmesg entry and the ElectrumX log around the crash, then compare the stated Debian, kernel, Python 3.7, and ElectrumX commit details. Collect enough diagnostic information to identify a reproducible cause; the issue is not complete until the crash is explained and a verified fix or reproduction is available.