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

Test case: http://jutaky.com/fuzzing/gnumeric_case_003-position.c.260.xls

$ ssconvert gnumeric_case_003-position.c.260.xls /tmp/out.gnumeric

==20976==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000021 (pc 0x7f9e73f114dc bp 0x7fff93e25450 sp 0x7fff93e25220 T0)
    #0 0x7f9e73f114db in parse_pos_init gnumeric/gnumeric/src/position.c:260:19
    #1 0x7f9e4bc7b140 in excel_parse_name gnumeric/gnumeric/plugins/excel/ms-excel-read.c:3664:2
    #2 0x7f9e4bc5c941 in excel_read_NAME gnumeric/gnumeric/plugins/excel/ms-excel-read.c:4010:11
    #3 0x7f9e4bc27cf1 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7285:22
    #4 0x7f9e4bb9bbd7 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #5 0x7f9e4bb9d6e4 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #6 0x7f9e71d4e333 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #7 0x7f9e71d67d3f in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #8 0x7f9e71d78d18 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #9 0x7f9e7456bf15 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #10 0x7f9e7456cb00 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #11 0x4e6f9f in convert gnumeric/gnumeric/src/ssconvert.c:720:9
    #12 0x4e49bc in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #13 0x7f9e6b04b78f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #14 0x438a48 in _start (apps/bin/ssconvert+0x438a48)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV gnumeric/gnumeric/src/position.c:260 parse_pos_init

--
Juha Kylmänen