nginx coredump because of SEGV

[Lentes, Bernd]

----- On Nov 17, 2021, at 9:15 PM, Bernd Lentes bernd.lentes at helmholtz-muenchen.de wrote:

> 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
> 
> 
I forgot:
It's 20.04.3 LTS (Focal Fossa).

Bernd
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 2217 bytes
Desc: S/MIME Cryptographic Signature
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20211118/0ce36038/attachment.bin>