Segfault with PHP 8.0.11 on Docker

Hello, just from one second to the other my installation stopped working with the following information: [ 7352.060159] php-fpm[89724]: segfault at 7ffe70d5dff8 ip 000055d63191e38a sp 00007ffe70d5dff0 error 6 in php-fpm[55d631600000+3b9000] [ 7352.060168] Code: 5d 41 5c c3 0f 1f 40 00 b8 ff ff ff ff eb f0 90 41 57 45 89 c7 41 56 49 89 ce 41 55 49 89 f5 41 54 55 48 89 f5 53 48 83 ec 58 <89> 7c 24 08 64 48 8b 04 25 28 00 00 00 48 89 44 24 48 31 c0 48 8b api_1        | 172.18.0.4 - - [11/Oct/2021:09:36:00 +0000] "POST /graphql HTTP/1.1" 502 150 "-" "insomnia/2021.3.0" "172.18.0.1" api_1        | 2021/10/11 09:36:00 [error] 65#65: *35 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 172.18.0.4, server: 127.0.0.1, request: "POST /graphql HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "whatever.api.blablubb.localhost" api_1        | [11-Oct-2021 09:36:00] WARNING: [pool www] child 85 exited on signal 11 (SIGSEGV) after 429.677096 seconds from start api_1        | [11-Oct-2021 09:36:00] NOTICE: [pool www] child 211 started My loaded PHP modules are: apcu bcmath Core ctype curl date dom exif fileinfo filter ftp gd hash iconv igbinary intl json ldap libxml mbstring mysqli mysqlnd openssl pcntl pcre PDO pdo_mysql pdo_sqlite Phar posix readline redis Reflection session SimpleXML sockets sodium SPL sqlite3 standard tokenizer xml xmlreader xmlwriter zip zlib Best René