Confirmed issue still persists with Ubuntu 22.04 and Nginx 1.18.0 with
letsencrypt certbot renewal checks.
[3861805.583095] nginx[254589]: segfault at 10 ip 7fadfd915593 sp
7ffcca68cc30 error 4 in libperl.so.5.30.0[7fadfd8ad000+166000]
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Hello,
I also found my Nginx server down after several hours. Nowadays
certificates have short life time, their issuance is automated and the
reloading of the servers is mandatory to update the certificates. In
short, an automated action is making the web server crash. In my
opinion, the
Hi,
I can confirm that after upgrading ubuntu 18.04 to 20.04.03 when certbot tried
to reload the nginx it had issues. After disabling the file
50-mod-http-perl.conf to 50-mod-http-perl.conf_bak the issue was solved!!
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Hello everyone,
I have the same issue running the following setup:
Ubuntu 20.04.2 LTS
kernel 5.4.0-73-generic
nginx/1.18.0
naxsi 1.3 Latest
Both systemctl reload and the reload through letsencrypt potentially triggers
this.
My previous assumption was the usage of naxsi in this, but that's
Can confirm, this bug is still a reality in Ubuntu 20.04 (focal) and is
triggered by two reloads in a row.
root@nginx:~# ps aux|grep nginx
root 3356067 0.0 0.1 71600 9788 ?Ss 15:46 0:00 nginx:
master process /usr/sbin/nginx -g daemon on; master_process on;
www-data 3356068
This issue affects other applications as well, such as Pidgin with Perl
plugins segfaulting.
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https://bugs.launchpad.net/bugs/1897561
Title:
libperl.so.5.30.0 causes nginx to segfault
The suggested solution for removing "libnginx-mod-http-perl" doesn't
probably make the situation better but worse because it would uninstall
"onlyoffice-documentserver" which is unwanted:
"kalmer@test:~$ sudo apt remove libnginx-mod-http-perl
Reading package lists... Done
Building dependency
In my original report I did say that this really is NOT nginx problem,
but Perl problem. Problem is in perl 5.30 and it is 5.32 (Perl5 commit
bf0) and people are asking backport to 5.30 to get fix also to
nginx.
More in https://github.com/Perl/perl5/issues/17154
My biggest issue is that this
** Changed in: perl (Ubuntu)
Status: Incomplete => Confirmed
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Title:
libperl.so.5.30.0 causes nginx to segfault
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@Kraut Further, the linked patch at the end of the upstream bug is
**not** yet part of the Perl codebase, so it's not been accepted
upstream, which is another consideration point and probably why this
hasn't had much movement on it yet (and why it's marked 'Incomplete' for
Perl)
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@Kraut
That would work for *testing* but Perl is interlaced in **a huge
portion** of the Ubuntu OS. Which means for any SRU, **all**
autopkgtests need to pass, which is a lot more painful if anything
fails.
There's more than just NGINX that needs tested with *any* Perl SRU.
Which is why I say
@teward Thanks for your thoughts :) Would like to know more about packaging.
Pushing patched Perl packages to PPA and then build NGINX against won't work?
What functions would we loose by just Recommends Perl module instead Depends.
@all We first need a test case for reproducing those NGINX
I have no insights into whether the linked GitHub issue fixes anything.
That's a Perl package problem, and not an NGINX one. We could
potentially stop requiring the Perl module but a segfault in libperl is
a Perl issue, not an nginx one. However, we don't have a *clear*
reproduction solution
Confirming here we found today dead NGINX hanging on certbot renewals:
Feb 09 15:04:50 focal kernel: 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
Actually, the issue does present on Ubuntu 18.04 (with NGINX EXTRAS) as
well. Just not with Cerbot. Simply just restart nginx six times or so
and it will throw the fault.
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Just throwing my 2cents in and confirming that this is an issue with
Ubuntu 20.04 & NGINX (Extras) when adding a certificate with CERTBOT.
Issue does not occur on Ubuntu 18.04.
Unlike the prior reports that include NGINX, it looks like NGINX
actually "hangs" in the background and any attempts to
Hi,
I'm also getting this error while renewal of the SSL certificates from the
LetsEncrpt.
Looking forward for a fix.
I can't remove the perl module as it's required for nginx-extras.
Thanks,
Surya
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Having the same issue, Ubuntu 20.04 LTS kernel 5.4.0-58-generic. Happens
with a Onlyoffice document server. As a workaround, I scheduled daily
service restart. Here is teh kern.log about.
Jan 7 00:00:08 onlyoffice kernel: [107181.395999] nginx[1025]: segfault at 10
ip 7f51157ae593 sp
I can also confirm having this issue with nginx on Ubuntu 20.04 since it
was released.
Confirmed today (4th January 2021) on a fully installation of Ubuntu
20.04.1 LTS Server
perl5 (revision 5 version 30 subversion 0)
Screenshot taken from server (from /var/log/syslog) attached.
Issue appears
Another workaround is just to delete the symbolic link at
/etc/nginx/modules-enabled/50-mod-http-perl.conf and restart Nginx. Now, Nginx
wont load the Perl module and will reload correctly.
In my case I'm using "nginx-extras" and can't purge the package
libnginx-mod-http-perl due to
apport information
** Tags added: apport-collected uec-images
** Description changed:
[Steps to reproduce]
1) launch a focal container
$ lxc launch images:ubuntu/focal focal-1897561
2) enter the container
$ lxc shell focal-1897561
3) install libnginx-mod-http-perl
# apt-get
** Description changed:
+ [Steps to reproduce]
+
+ 1) launch a focal container
+ $ lxc launch images:ubuntu/focal focal-1897561
+ 2) enter the container
+ $ lxc shell focal-1897561
+ 3) install libnginx-mod-http-perl
+ # apt-get install -y nginx-core libnginx-mod-http-perl
+ 4) check nginx
** Changed in: perl (Ubuntu)
Importance: High => Undecided
** Changed in: perl (Ubuntu)
Status: Confirmed => Incomplete
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Thank you for reporting this bug and make ubuntu better!
Please run apport-collect 1897561 from a terminal to pull
relevant info into your bug so developers can debug better
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** Changed in: perl (Ubuntu)
Importance: Undecided => High
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Title:
libperl.so.5.30.0 causes nginx to segfault
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Experiencing the same issue with nginx from official Ubuntu repositories
in 20.04 failing every 3rd-4th time on reload signal.
** Changed in: perl (Ubuntu)
Status: New => Confirmed
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** Tags added: focal
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Title:
libperl.so.5.30.0 causes nginx to segfault
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