[Users] [Bug 3402] New: Claws Mail randomly segfaults with invalid pointer free()

[noreply at thewildbeast.co.uk]

http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3402

            Bug ID: 3402
           Summary: Claws Mail randomly segfaults with invalid pointer
                    free()
    Classification: Unclassified
           Product: Claws Mail
           Version: 3.9.3
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Folders/IMAP
          Assignee: users at lists.claws-mail.org
          Reporter: joydeep.biswas at gmail.com

Created attachment 1497
  -->
http://www.thewildbeast.co.uk/claws-mail/bugzilla/attachment.cgi?id=1497&action=edit
GDB Backtrace of segfault, generated with claws-mail-dbg symbols and "tread
apply all bt"

The version of claws-mail in question is 3.9.3-1ubuntu1 (the version on the
Ubuntu 14.04 packages repo). Architecture: amd64.
Further details of the package included at the end.

Claws-mail seems to randomly crash with an invalid pointer free while trying to
fetch new mail. There is additional output on stderr, which might, or might not
be relevant. I'm pasting the stderr output here, and have included a backtrace,
 generated along with debug symbols from all the threads (thread apply all bt). 

========================================================
stderr output
========================================================
(claws-mail:5424): GLib-CRITICAL **: Source ID 4294967295 was not found when
attempting to remove it
[New Thread 0x7fffb7fff700 (LWP 5281)]
[Thread 0x7fffb7fff700 (LWP 5281) exited]

(claws-mail:5424): GLib-CRITICAL **: Source ID 109165 was not found when
attempting to remove it
[Thread 0x7fffc5c22700 (LWP 5192) exited]

(claws-mail:5424): Claws-Mail-WARNING **: can't open signature file:
/home/joydeepb/.signature


(claws-mail:5424): Claws-Mail-WARNING **: can't open signature file:
/home/joydeepb/.signature


(claws-mail:5424): GLib-CRITICAL **: Source ID 4294967295 was not found when
attempting to remove it
[New Thread 0x7fffc5c22700 (LWP 4288)]
[Thread 0x7fffc5c22700 (LWP 4288) exited]

(claws-mail:5424): GLib-CRITICAL **: Source ID 123532 was not found when
attempting to remove it

** (claws-mail:5424): WARNING **: [22:22:12] IMAP error on imap.gmail.com:
stream error


** (claws-mail:5424): WARNING **: [22:22:12] IMAP4 connection broken

Learned tokens from 1 message(s) (1 message(s) examined)
Learned tokens from 1 message(s) (1 message(s) examined)
Learned tokens from 1 message(s) (1 message(s) examined)
Created new window in existing browser session.

(claws-mail:5424): Claws-Mail-WARNING **: can't open signature file:
/home/joydeepb/.signature

Learned tokens from 1 message(s) (1 message(s) examined)
Learned tokens from 1 message(s) (1 message(s) examined)

(claws-mail:5424): GLib-CRITICAL **: Source ID 93961 was not found when
attempting to remove it
Created new window in existing browser session.

(claws-mail:5424): Claws-Mail-WARNING **: can't open signature file:
/home/joydeepb/.signature


(claws-mail:5424): GLib-CRITICAL **: Source ID 4294967295 was not found when
attempting to remove it
[New Thread 0x7fffc5c22700 (LWP 21128)]
[Thread 0x7fffc5c22700 (LWP 21128) exited]

(claws-mail:5424): GLib-CRITICAL **: Source ID 211946 was not found when
attempting to remove it

** (claws-mail:5424): WARNING **: [23:44:18] IMAP error on imap.gmail.com:
stream error


** (claws-mail:5424): WARNING **: [23:44:18] IMAP4 connection broken

Learned tokens from 1 message(s) (1 message(s) examined)

** (claws-mail:5424): WARNING **: [12:33:39] IMAP error on imap.srv.cs.cmu.edu:
stream error


** (claws-mail:5424): WARNING **: [12:33:39] IMAP4 connection broken


** (claws-mail:5424): WARNING **: [12:33:39] IMAP error on imap.srv.cs.cmu.edu:
LOGIN error


** (claws-mail:5424): WARNING **: [12:33:41] IMAP error on imap.srv.cs.cmu.edu:
stream error


** (claws-mail:5424): WARNING **: [12:33:41] IMAP4 connection broken

*** Error in `/usr/bin/claws-mail': free(): invalid pointer: 0x0000000001e7da20
***


========================================================
package description
========================================================
Package: claws-mail
Priority: optional
Section: universe/mail
Installed-Size: 3742
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Original-Maintainer: Ricardo Mones <mones at debian.org>
Architecture: amd64
Version: 3.9.3-1ubuntu1
Replaces: claws-mail-extra-plugins (<< 3.9.1-1)
Provides: imap-client, mail-reader, news-reader
Depends: libc6 (>= 2.15), libcairo2 (>= 1.2.4), libcompfaceg1, libdbus-glib-1-2
(>= 0.78), libenchant1c2a (>= 1.6.0), libetpan15 (>= 1.0), libgdk-pixbuf2.0-0
(>= 2.22.0), libglib2.0-0 (>= 2.37.3), libgnutls26 (>= 2.12.17-0), libgtk2.0-0
(>= 2.24.0), libice6 (>= 1:1.0.0), libldap-2.4-2 (>= 2.4.7), libpango-1.0-0 (>=
1.14.0), libpangocairo-1.0-0 (>= 1.14.0), libpisock9, libsm6, xdg-utils
Recommends: claws-mail-i18n, xfonts-100dpi | xfonts-75dpi |
xfonts-100dpi-transcoded | xfonts-75dpi-transcoded, aspell-en |
aspell-dictionary
Suggests: claws-mail-doc (= 3.9.3-1ubuntu1), www-browser, gedit | kwrite |
mousepad | nedit, claws-mail-tools
Breaks: claws-mail-extra-plugins (<< 3.9.1-1)
Filename: pool/universe/c/claws-mail/claws-mail_3.9.3-1ubuntu1_amd64.deb
Size: 1239492
MD5sum: f97bd40256d61c436322af1dad490ee7
SHA1: 9d3ec164b84130fbcc425d33f99bfe35ee9705a1
SHA256: 6cb276a6959df85962239163730858e17681a713bdf545a6fa21abbbca4854f6
Description-en: Fast, lightweight and user-friendly GTK+2 based email client
 Claws Mail is a powerful and full-featured mail client formerly called
 Sylpheed-Claws. It is also extensible using loadable plugins, which can
 provide support for additional features, like other storage formats,
 feed reader, calendar management, mail filtering, etc.
Description-md5: f9d9f85803d938ab3d5fbc85f90e263a
Homepage: http://www.claws-mail.org
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu

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