[exim-dev] [Bug 2096] New: Socket stuck in CLOSE_WAIT

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Author: admin
Date:  
To: exim-dev
New-Topics: [exim-dev] [Bug 2096] Socket stuck in CLOSE_WAIT, [exim-dev] [Bug 2096] Socket stuck in CLOSE_WAIT
Subject: [exim-dev] [Bug 2096] New: Socket stuck in CLOSE_WAIT
https://bugs.exim.org/show_bug.cgi?id=2096

            Bug ID: 2096
           Summary: Socket stuck in CLOSE_WAIT
           Product: Exim
           Version: 4.86
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Delivery in general
          Assignee: nigel@???
          Reporter: andrei.romila@???
                CC: exim-dev@???


Overview: We have found some connections stuck in the CLOSE_WAIT state for some
time. It appears that they do timeout in the end but the example has this for
at least 20 hours.

Additional Information:

===
strace: Process 13595 attached                                                  
write(7, "0pt;font-family:\"Calibri\",\"sans-"..., 768
===


===
COMMAND   PID        USER   FD   TYPE             DEVICE SIZE/OFF       NODE
NAME                                                                            
exim    13595 Debian-exim  cwd    DIR                9,2     4096    8915932
/var/spool/exim4-outgoing                                                       
exim    13595 Debian-exim  rtd    DIR                9,2     4096          2 /  
exim    13595 Debian-exim  txt    REG                9,2  3177840    7081161
/usr/sbin/exim4                                                                 
[...]
exim    13595 Debian-exim    0r  FIFO               0,10      0t0 1686223382
pipe
exim    13595 Debian-exim    1w   REG                9,2        0    8977830
/var/log/spamexperts/queue_force.log
exim    13595 Debian-exim    2u   REG                9,2      138   10249069
/tmp/tmpfae4jUn (deleted)
exim    13595 Debian-exim    3u   REG                9,2    90215    9336087
/var/spool/exim4-outgoing/input/H/1cnxkH-00006W-SS-D
exim    13595 Debian-exim    4w  FIFO               0,10      0t0 3337347267
pipe
exim    13595 Debian-exim    5w   REG                9,2      600    9310134
/var/spool/exim4-outgoing/msglog/H/1cnxkH-00006W-SS
exim    13595 Debian-exim    6w   REG                9,2       91    9313355
/var/spool/exim4-outgoing/input/H/1cnxkH-00006W-SS-J
exim    13595 Debian-exim    7u  IPv4         3337343708      0t0        TCP
SOURCE.HOST:50553->DESTINATION.HOST:smtp (CLOSE_WAIT)
exim    13595 Debian-exim    8u  unix 0xffff880394158400      0t0 3337343728
type=STREAM
exim    13595 Debian-exim    9w  FIFO               0,10      0t0 3337343688
pipe
exim    13595 Debian-exim   10u   REG                9,2    96809    9316262
/var/spool/exim4-outgoing/input/H/1cnxkH-00006W-SS-13595-K
===


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