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[src-psale] Pdf book view crashes on scroll #17

Description

@3Nigma

Upon zooming out from the pdf view (see following image) to containing the whole page in one screen, the following crash occurs.
vc_screen_@_crash

***MEMORY-ERROR***: psale[5419]: GSlice: assertion failed: sinfo->n_allocated > 0

Program received signal SIGABRT, Aborted.
0xb7fdd424 in __kernel_vsyscall ()
(gdb) i stack
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb73f01df in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2  0xb73f3825 in __GI_abort () at abort.c:91
#3  0xb759cfa0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb75e8860 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb75e8b3b in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb759d43d in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb75e9a43 in g_slice_free1 () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb77ac13d in poppler_dest_free () from /usr/lib/i386-linux-gnu/libpoppler-glib.so.8
#9  0xb77ac273 in poppler_action_free () from /usr/lib/i386-linux-gnu/libpoppler-glib.so.8
#10 0xb77b17ad in poppler_link_mapping_free () from /usr/lib/i386-linux-gnu/libpoppler-glib.so.8
#11 0xb75cbda8 in g_list_foreach () from /lib/i386-linux-gnu/libglib-2.0.so.0
#12 0xb77b2fd8 in poppler_page_free_link_mapping () from /usr/lib/i386-linux-gnu/libpoppler-glib.so.8
#13 0x08054e66 in vc_sari_la_pagina (vc=0x816eee8, nrPag=105) at vc.c:395
#14 0x08053d1f in pdfviz_vscrol_modif_event (widget=0x814d240, e=0x8088b88, vc=0x816eee8) at vc.c:152
#15 0xb7c328a2 in _gtk_marshal_BOOLEAN__BOXED (closure=0x8228b10, return_value=0xbfffedb4, n_param_values=2, param_values=0xbfffee20, 
    invocation_hint=0xbfffeda0, marshal_data=0x0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmarshalers.c:86
#16 0xb7759484 in g_closure_invoke () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#17 0xb776b0d9 in ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#18 0xb7772ff5 in g_signal_emit_valist () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#19 0xb7773453 in g_signal_emit () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#20 0xb7d6c413 in gtk_widget_event_internal (widget=0x814d240, event=0x8088b88) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkwidget.c:4992
#21 0xb7c30a6e in IA__gtk_propagate_event (widget=0x814d240, event=0x8088b88) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmain.c:2567
#22 0xb7c30e00 in IA__gtk_main_do_event (event=0x8088b88) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmain.c:1757
#23 0xb7aa1758 in gdk_event_dispatch (source=0x808a380, callback=0, user_data=0x0) at /build/buildd/gtk+2.0-2.24.10/gdk/x11/gdkevents-x11.c:2377
#24 0xb75ced86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb75cf125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb75cf56b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0xb7c2fb8f in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmain.c:1329
#28 0x08055079 in main (argc=1, argv=0xbffff374) at main.c:24

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