[Bug 262839] New: imap ioslave crashes while fetching mail (backtrace included)

[Roy Dragseth]

https://bugs.kde.org/show_bug.cgi?id=262839

           Summary: imap ioslave crashes while fetching mail (backtrace
                    included)
           Product: kmail
           Version: 1.13.5
          Platform: Fedora RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: IMAP
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: roy.dragseth at uit.no


Version:           1.13.5 (using KDE 4.5.4) 
OS:                Linux

the imap_ioslave sometimes crashes or just ignore mails in my inbox hosted on a
courier imap server.  I was able to capture the following backtrace by
attaching gdb to the imap ioslave, see the additional comments section.


o  I'm able to reproduce the same error on a clean user account so I do not
think it is a personal config issue.  
o Evolution works fine against the same server so I do not think it is a server
side issue either.
o Kmail works fine from my laptop, the only difference is that it runs 32bit
Fedora, while this problem is on my desktop that runs 64bit Fedora (a clue?).



Please let me know if I can provide any further info.  (I've been using kmail
for many years, but is forced over to evolution until this is fixed, arrgghhh,
it is so cumbersome)

Best regards,
Roy.

Reproducible: Sometimes

Steps to Reproduce:
Connect to an imap server and load a folder.  

Actual Results:  
A message box appears telling me that the imap ioslave had terminated.

Sometimes the ioslave crash, other times it ignores mail and sometimes mails
are listen with(No subject), Unknown sender and Unknown date.

Expected Results:  
Should get new mail.

OS: Linux (x86_64) release 2.6.35.10-74.fc14.x86_64
Compiler: gcc 4.5.1 20100924 (Red Hat 4.5.1-4)
kdepim-4.4.8-1.fc14.x86_64

Backtrace:

(gdb) cont
Continuing.

Program received signal SIGSEGV, Segmentation fault.
IMAP4Protocol::get (this=0x27825d0, _url=<value optimized out>) at
/usr/src/debug/kdepimlibs-4.5.4/kioslave/imap4/imap4.cpp:2653
2653    }
(gdb) bt
#0  IMAP4Protocol::get (this=0x27825d0, _url=<value optimized out>) at
/usr/src/debug/kdepimlibs-4.5.4/kioslave/imap4/imap4.cpp:2653
#1  0x00000037109928a5 in KIO::SlaveBase::dispatch (this=0x27825d0, command=67,
data=...) at /usr/src/debug/kdelibs-4.5.4/kio/kio/slavebase.cpp:1013
#2  0x00007fcde344e844 in IMAP4Protocol::dispatch (this=0x27825d0, command=67,
data=...) at /usr/src/debug/kdepimlibs-4.5.4/kioslave/imap4/imap4.cpp:1828
#3  0x000000371098cbc3 in KIO::SlaveBase::dispatchLoop (this=0x27825d0) at
/usr/src/debug/kdelibs-4.5.4/kio/kio/slavebase.cpp:282
#4  0x00007fcde344f558 in kdemain (argc=<value optimized out>, argv=<value
optimized out>) at /usr/src/debug/kdepimlibs-4.5.4/kioslave/imap4/imap4.cpp:131
#5  0x0000000000406bf9 in launch (argc=4, _name=0x276aae8 "kio_imap4",
args=<value optimized out>, cwd=0x0, envc=<value optimized out>, 
    envs=<value optimized out>, reset_env=false, tty=0x0, avoid_loops=false,
startup_id_str=0x40ac76 "0") at
/usr/src/debug/kdelibs-4.5.4/kinit/kinit.cpp:723
#6  0x00000000004077a0 in handle_launcher_request (sock=<value optimized out>,
who=<value optimized out>)
    at /usr/src/debug/kdelibs-4.5.4/kinit/kinit.cpp:1215
#7  0x0000000000407ec5 in handle_requests (waitForPid=<value optimized out>) at
/usr/src/debug/kdelibs-4.5.4/kinit/kinit.cpp:1408
#8  0x0000000000408b10 in main (argc=4, argv=0x7fff0c465f18,
envp=0x7fff0c465f40) at /usr/src/debug/kdelibs-4.5.4/kinit/kinit.cpp:1892
(gdb)

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