[Users] [Bug 2924] New: Segmentation fault in nntp_disconnect_all() due to pointer truncation

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http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2924

            Bug ID: 2924
           Summary: Segmentation fault in nntp_disconnect_all() due to
                    pointer truncation
    Classification: Unclassified
           Product: Claws Mail
           Version: 3.9.1
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P3
         Component: NNTP
          Assignee: users at lists.claws-mail.org
          Reporter: fk at fabiankeil.de

Created attachment 1260
  -->
http://www.thewildbeast.co.uk/claws-mail/bugzilla/attachment.cgi?id=1260&action=edit
Fix segfault in nntp_disconnect_all() due to pointer  truncation

claws-mail 3.9.1 reproducible segfaults on exit on my system when compiled with
NNTP support.

Apparently the pointer returned by account_get_list() is truncated to an
integer due to a missing function definition:

(gdb) r
Starting program: /usr/local/bin/claws-mail 
[New LWP 101084]
[New Thread 80ac06400 (LWP 101084)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 80ac06400 (LWP 101084)]
0x00000000005331f9 in nntp_disconnect_all (have_connectivity=1) at news.c:1418
1418        for (list = account_get_list(); list != NULL; list = list->next) {
(gdb) where
#0  0x00000000005331f9 in nntp_disconnect_all (have_connectivity=1) at
news.c:1418
#1  0x0000000000669cf3 in nntp_main_done (have_connectivity=1) at
nntp-thread.c:163
#2  0x00000000004e59aa in exit_claws (mainwin=0x80acf23c0) at main.c:1811
#3  0x00000000004e2627 in main (argc=1, argv=0x7fffffffd8b0) at main.c:1739
(gdb) p list
$1 = (GList *) 0xb836a00

The attached patch fixes the issue for me.

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