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

Test case: http://jutaky.com/fuzzing/gnumeric_case_009-ms-excel-read.c.1018.xls

$ ssconvert gnumeric_case_009-ms-excel-read.c.1018.xls /tmp/out.gnumeric

==17916==ERROR: AddressSanitizer: stack-overflow on address 0x7ffc880fc820 (pc 0x7f5d21756283 bp 0x7ffe880f0d30 sp 0x7ffc880fc820 T0)
    #0 0x7f5d21756282 in excel_get_chars gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1018:4
    #1 0x7f5d21757fc5 in excel_get_text gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1083:8
    #2 0x7f5d21a16d8c in xls_read_SXVIEW gnumeric/gnumeric/plugins/excel/xls-read-pivot.c:752:3
    #3 0x7f5d217bcd52 in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6882:21
    #4 0x7f5d2177061f in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7105:4
    #5 0x7f5d2176b7d5 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7211:4
    #6 0x7f5d216fe001 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #7 0x7f5d216ffa54 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #8 0x7f5d440f9e30 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #9 0x7f5d4410d9b4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #10 0x7f5d4411b1c8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #11 0x7f5d45aa5e7a in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #12 0x7f5d45aa6a70 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #13 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9
    #14 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #15 0x7f5d3e53478f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #16 0x437c58 in _start (apps/bin/ssconvert+0x437c58)

SUMMARY: AddressSanitizer: stack-overflow gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1018 excel_get_chars

--
Juha Kylmänen