Git versions of glib, goffice, gnumeric, libgsf and libxml2.

Test case: http://jutaky.com/fuzzing/gnumeric_case_001-gog-object.c.1362.xls

$ ssconvert gnumeric_case_001-gog-object.c.1362.xls /tmp/out.gnumeric

==1410==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f4120a1abad bp 0x7ffec16ba9b0 sp 0x7ffec16ba800 T0)
    #0 0x7f4120a1abac in gog_role_cmp gnumeric/goffice/goffice/graph/gog-object.c:1362:41
    #1 0x7f4120a1929f in gog_role_cmp_full gnumeric/goffice/goffice/graph/gog-object.c:1379:12
    #2 0x7f4120a22278 in gog_object_set_parent gnumeric/goffice/goffice/graph/gog-object.c:1742:9
    #3 0x7f4120a10782 in gog_object_add_by_role gnumeric/goffice/goffice/graph/gog-object.c:1803:6
    #4 0x7f4120a24c66 in gog_object_add_by_name gnumeric/goffice/goffice/graph/gog-object.c:1824:9
    #5 0x7f40fbf30e30 in xl_chart_read_end gnumeric/gnumeric/plugins/excel/ms-chart.c:2700:5
    #6 0x7f40fbec6173 in ms_excel_chart_read gnumeric/gnumeric/plugins/excel/ms-chart.c:3769:14
    #7 0x7f40fbcffb1d in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7110:4
    #8 0x7f40fbcf9c6c in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7193:3
    #9 0x7f40fbc8e071 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #10 0x7f40fbc8fac4 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #11 0x7f41208e4e30 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #12 0x7f41208f89b4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #13 0x7f41209061c8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #14 0x7f41222856b4 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #15 0x7f41222862a0 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #16 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9
    #17 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #18 0x7f411ad2378f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #19 0x437c58 in _start (apps/bin/ssconvert+0x437c58)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV gnumeric/goffice/goffice/graph/gog-object.c:1362 gog_role_cmp

--
Juha Kylmänen