Description of problem:
When sending files to other Microsoft Lync clients, transfers fail all the time and leave pidgin in a corrupted state (it always end up crashing a few minutes afterward).
Receiving files works fine.

Version-Release number of selected component:
pidgin-2.10.7-3.fc19

Additional info:
reporter:       libreport-2.1.9
backtrace_rating: 4
cmdline:        pidgin --session 106f6d9f5b6a690b4e138450946055809500000019490038 --display :0
crash_function: vasprintf
executable:     /usr/bin/pidgin
kernel:         3.11.8-200.fc19.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (9 frames)
 #6 vasprintf at /usr/include/bits/stdio2.h:210
 #7 g_vasprintf at gprintf.c:314
 #8 g_strdup_vprintf at gstrfuncs.c:517
 #9 g_strdup_printf at gstrfuncs.c:543
 #10 purple_xfer_cancel_local at ft.c:1509
 #11 purple_proxy_connect_data_disconnect at proxy.c:642
 #12 socket_ready_cb at proxy.c:727
 #13 pidgin_io_invoke at gtkeventloop.c:73
 #18 gtk_main at gtkmain.c:1257

Potential duplicate: bug 915366