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Tasklist

FS#67404 - [postfix] 3.5.5 smtpd crashes with signal 11

Attached to Project: Arch Linux
Opened by Gene (GeneC) - Sunday, 26 July 2020, 17:53 GMT
Last edited by Gaetan Bisson (vesath) - Monday, 27 July 2020, 07:21 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Gaetan Bisson (vesath)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description: As of version 3.5.5 smtpd is crashing


Additional info:
3.5.4 works fine.
After update there are problems and smtpd crashes.

On my system, the are 2 mail servers - one on the border just behind a firewall, and the second is the internal mail server.
After the update from 3.5.4 to 3.5.5 a test email was sent from gmail, the border mail server contacts the internal mail server where:

on internal server:

connect from _gateway[xx]
openarc[1130]: assuming verify mode for host _gateway
postfix/master[2435]: warning: process /usr/lib/postfix/bin/smtpd pid 2497 killed by signal 11
kernel: smtpd[2497]: segfault at 55f021b02000 ip 00007f2793814c68 sp00007fff02c04010 error 4 in libcrypto.so.1.1[7f2793802000+1a5000]

On border router:
SSL_connect error to internal.x.y [xx]:25: lost connection

Both systems are fully up to date on testing repo.

rolling back to 3.5.4 all works normally as before.
Both servers were rebooted after the update before testing.


This task depends upon

Closed by  Gaetan Bisson (vesath)
Monday, 27 July 2020, 07:21 GMT
Reason for closing:  Fixed
Additional comments about closing:  postfix-3.5.6-1 in [extra]
Comment by Gene (GeneC) - Sunday, 26 July 2020, 18:44 GMT Comment by Gaetan Bisson (vesath) - Sunday, 26 July 2020, 19:02 GMT
I'll update our package as soon as upstream published a patch for this issue. Cheers.
Comment by Gene (GeneC) - Sunday, 26 July 2020, 21:08 GMT
Thanks Gaetan ... do you plan to roll 3.5.5 back or no?

Comment by Gene (GeneC) - Sunday, 26 July 2020, 21:18 GMT
Looks like wietse posted a fix for this today:

https://marc.info/?l=postfix-users&m=159578436822974&w=2

And 3.5.6 has been released with fix.

https://marc.info/?l=postfix-users&m=159578436822974&w=2


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