nginx coredump because of SEGV

Wed Nov 17 20:15:30 UTC 2021

Hi,

i had now twice a coredump from nginx. It happened shortly after logrotate.

root at documents-oo:~# systemctl status nginx
● nginx.service - A high performance web server and a reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
     Active: failed (Result: core-dump) since Sun 2021-10-31 00:04:57 CEST; 45min ago
       Docs: man:nginx(8)
    Process: 1503969 ExecReload=/usr/sbin/nginx -g daemon on; master_process on; -s reload (code=exited, status=0/SUCCESS)
   Main PID: 433202 (code=dumped, signal=SEGV)
      Tasks: 0 (limit: 19097)
     Memory: 6.1M
     CGroup: /system.slice/nginx.service

Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573437 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573438 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573439 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573440 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573441 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573442 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573443 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573444 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Killing process 573445 (nginx) with signal SIGKILL.
Okt 31 00:04:57 documents-oo systemd[1]: nginx.service: Failed with result 'core-dump'.

/var/log/syslog:
Oct 31 00:02:06 documents-oo kernel: [1340433.341063] nginx[433202]: segfault at 10 ip 00007f6a15e08593 sp 00007ffeef04e220 error 4 in libperl.so.5.30.0[7f6a15da0000+166000]
Oct 31 00:02:06 documents-oo kernel: [1340433.355995] Code: 48 89 43 10 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 40 00 0f b6 7f 30 48 c1 e8 03 48 29 f8 48 89 c3 74 89 48 8b 02 <4c> 8b 68 10 4d 85 ed 0f 84 28 01 00 00 0f b6 40 30 49 c1 ed 03 49

root at documents-oo:~# systemctl status nginx.service
● nginx.service - A high performance web server and a reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
     Active: failed (Result: core-dump) since Tue 2021-11-16 00:03:17 CET; 8h ago
       Docs: man:nginx(8)
    Process: 2994244 ExecReload=/usr/sbin/nginx -g daemon on; master_process on; -s reload (code=exited, status=0/SUCCESS)
   Main PID: 2579242 (code=dumped, signal=SEGV)
      Tasks: 0 (limit: 19097)
     Memory: 19.7M
     CGroup: /system.slice/nginx.service

Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809495 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809496 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809497 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809498 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809499 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809500 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809501 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809502 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Killing process 2809503 (nginx) with signal SIGKILL.
Nov 16 00:03:17 documents-oo systemd[1]: nginx.service: Failed with result 'core-dump'.

/var/log/syslog:
Nov 16 00:01:23 documents-oo kernel: [2726316.050697] nginx[2579242]: segfault at 41 ip 00007fbf59548593 sp 00007ffc02313af0 error 4 in libperl.so.5.30.0[7fbf594e0000+166000]
Nov 16 00:01:23 documents-oo kernel: [2726316.050742] Code: 48 89 43 10 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 40 00 0f b6 7f 30 48 c1 e8 03 48 29 f8 48 89 c3 74 89 48 8b 02 <4c> 8b 68 10 4d 85 ed 0f 84 28 01 00 00 0f b6 40 30 49 c1 ed 03 49

Any ideas ?
What can i do ? Bugzilla ?

Thanks.

Bernd

-- 

Bernd Lentes 
System Administrator 
Institute for Metabolism and Cell Death (MCD) 
Building 25 - office 122 
HelmholtzZentrum München 
bernd.lentes at helmholtz-muenchen.de 
phone: +49 89 3187 1241 
phone: +49 89 3187 3827 
fax: +49 89 3187 2294 
http://www.helmholtz-muenchen.de/mcd 

Public key: 

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