[exim-dev] [Bug 3005] New: segfault while SMTP error from re…

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Συντάκτης: Exim Bugzilla
Ημερομηνία:  
Προς: exim-dev
Καινούρια Θέματα: [exim-dev] [Bug 3005] segfault while SMTP error from remote mail server after RCPT TO handling, [exim-dev] [Bug 3005] segfault while SMTP error from remote mail server after RCPT TO handling
Αντικείμενο: [exim-dev] [Bug 3005] New: segfault while SMTP error from remote mail server after RCPT TO handling
https://bugs.exim.org/show_bug.cgi?id=3005

            Bug ID: 3005
           Summary: segfault while SMTP error from remote mail server
                    after RCPT TO handling
           Product: Exim
           Version: 4.94
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Transports
          Assignee: unallocated@???
          Reporter: lkazankin@???
                CC: exim-dev@???

/var/log/messages

May 22 08:57:47 <host> kernel: exim[4587]: segfault at 17c ip 00000000004bca6a
sp 00007fff069acbe0 error 4 in exim-4.94.2-2[400000+115000]

/var/log/exim/exim_paniclog

2023-05-22 08:57:47.158 1pzxEL-0004JR-AX Delivery status for
non-existing-mailbox@???: got 0 of 7 bytes (pipeheader) from transport
process 4587 for transport smtp

exim -Mvl 1pzxEL-0004JR-AX

2023-05-22 08:57:32.091 H=mail.example.com [<IP>] SMTP error from remote mail
server after RCPT TO:<non-existing-mailbox@???>: 550 5.1.1 Bad
destination mailbox address (non-existing-mailbox@???).
2023-05-22 08:57:32.092 H=mail.example.com [<IP>]: SMTP error from remote mail
server after RCPT TO:<non-existing-mailbox@???>: 550 5.1.1 Bad
destination mailbox address (non-existing-mailbox@???).
2023-05-22 08:57:47.160 non-existing-mailbox@???
<non-existing-mailbox@???> R=dnslookup T=remote_smtp defer (-1)
DT=0.000s: smtp transport process returned non-zero status 0x008b: terminated
by signal 11
*** Frozen


exim -d+all -M 1pzxEL-0004JR-AX

09:51:50.327 50171 Connecting to mail.example.com [<IP>]:25 ... <IP> in
hosts_try_fastopen? yes (matched "*")
09:51:50.327 50171  TFO mode sendto, no data: EINPROGRESS
09:51:50.327 50171  connected
09:51:50.327 50171  ╭considering: $primary_hostname
09:51:50.327 50171  ├──expanding: $primary_hostname
09:51:50.327 50171  ╰─────result: <host>
09:52:05.348 50171   SMTP(Connection timed out)<<
09:52:05.348 50171   SMTP(close)>>
09:52:05.375 50164 reading pipe for subprocess 50171 (not ended yet)
09:52:05.375 50164 expect 7 bytes (pipeheader) from tpt process 50171
09:52:05.375 50164 LOG: MAIN PANIC
09:52:05.375 50164   Delivery status for non-existing-mailbox@???: got
0 of 7 bytes (pipeheader) from transport process 50171 for transport smtp
09:52:05.375 50164 
09:52:05.375 50164 fresh-exec forking for logfile-open
09:52:05.376 50164 fresh-exec forked for logfile-open: 51706
09:52:05.376 51706 postfork: logfile-open
09:52:05.376 50164 fresh-exec forking for logfile-open
09:52:05.376 50164 fresh-exec forked for logfile-open: 51707
09:52:05.376 51707 postfork: logfile-open
09:52:05.377 50164 remote delivery process 50171 ended: status=008b
09:52:05.377 50164 set_process_info: 50164 delivering 1pzxEL-0004JR-AX
09:52:05.377 50164 post-process non-existing-mailbox@??? (1)
09:52:05.378 50164 LOG: MAIN
09:52:05.378 50164   == non-existing-mailbox@???
<non-existing-mailbox@???> R=dnslookup T=remote_smtp defer (-1)
DT=0.000s: smtp transport process returned non-zero status 0x008b: terminated
by signal 11

/etc/centos-release

CentOS Linux release 7.6.1810 (Core)

=======

Hello,
Are there any ideas what else I can check to help fix this segfault?

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