[asterisk-bugs] [JIRA] (ASTERISK-24259) IMAP voicemail causes segfault

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-24259:
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             Summary: IMAP voicemail causes segfault
                 Key: ASTERISK-24259
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24259
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_voicemail, Applications/app_voicemail/IMAP
    Affects Versions: 11.11.0
         Environment: Ubuntu 14.04.1
Linux 3.13.0-32-generic  x86_64
            Reporter: Nick Adams
            Severity: Critical


When using IMAP storage for Voicemail, I can reliably cause Asterisk to segfault. I noticed a number of random segfaults over the past few days and on further investigation, was able to reproduce it by running "voicemail show users for default". That produces the following segfault:

{quote}Aug  8 07:50:10 timmy kernel: [1025781.678733] asterisk[20482]: segfault at 10d ip 00007fe97c22ab78 sp 00007fe8a0d09900 error 4 in libc-client.so.2007e.0[7fe97c1fb000+101000]{quote}

This happens on multiple boxes so I've ruled out memory corruption or some other nastiness.

voicemail.conf is at defaults except for:
{quote}imapserver=mail.mydomain.com
imapport=993
imapgreetings=yes
greetingsfolder=INBOX.Voicemail
imapparentfolder=INBOX.
imapfolder=INBOX.Voicemail
imapflags=ssl

[default]

0400000000 => 0400000000,Some User,,,attach=yes|imapuser=user at mydomain.com|imappassword=PASSWORD
{quote}

The relevant INBOX.Voicemail IMAP folder has about 300 voicemails in it. I think this may be related to users having forwarded messages out of those folders resulting in additional IMAP flags being added - though I can't be sure.



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