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

Test case: http://jutaky.com/fuzzing/gnumeric_case_012-ms-excel-read.c.7065.xls

$ ssconvert gnumeric_case_012-ms-excel-read.c.7065.xls /tmp/out.gnumeric

==32665==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6020001b86b5 at pc 0x7fa90e55479f bp 0x7fff49b30b50 sp 0x7fff49b30b48
READ of size 1 at 0x6020001b86b5 thread T0
    #0 0x7fa90e55479e in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7065:18
    #1 0x7fa90e55022c in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7201:3
    #2 0x7fa90e4e4241 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #3 0x7fa90e4e5c94 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #4 0x7fa93327af20 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #5 0x7fa93328eaa4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #6 0x7fa93329c2b8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #7 0x7fa934c1b874 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #8 0x7fa934c1c460 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #9 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9
    #10 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #11 0x7fa92d6b978f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #12 0x437c58 in _start (apps/bin/ssconvert+0x437c58)

0x6020001b86b5 is located 0 bytes to the right of 5-byte region [0x6020001b86b0,0x6020001b86b5)
allocated by thread T0 here:
    #0 0x4bec22 in __interceptor_malloc (apps/bin/ssconvert+0x4bec22)
    #1 0x7fa92e0c4649 in g_malloc gnumeric/glib/glib/gmem.c:97
    #2 0x7fa93272922f in gsf_input_read gnumeric/libgsf/gsf/gsf-input.c:375:8
    #3 0x7fa90e4ea5ab in ms_biff_query_next gnumeric/gnumeric/plugins/excel/ms-biff.c:443:23
    #4 0x7fa90e54fe90 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7196:6
    #5 0x7fa90e4e4241 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #6 0x7fa90e4e5c94 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #7 0x7fa93327af20 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #8 0x7fa93328eaa4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #9 0x7fa93329c2b8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #10 0x7fa934c1b874 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #11 0x7fa934c1c460 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #12 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9
    #13 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #14 0x7fa92d6b978f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)

SUMMARY: AddressSanitizer: heap-buffer-overflow gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7065 excel_read_BOF

--
Juha Kylmänen