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

Test case: http://jutaky.com/fuzzing/gnumeric_case_24013_3831.biff7.2xls.xlsx

$ ssconvert --export-type=Gnumeric_Excel:excel_biff7 gnumeric_case_24013_3831.biff7.2xls.xlsx /tmp/out.xls

==29398==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000459340 at pc 0x0000004a805c bp 0x7ffd56281df0 sp 0x7ffd562815a8
READ of size 17 at 0x602000459340 thread T0
    #0 0x4a805b in __asan_memcpy (apps/bin/ssconvert+0x4a805b)
    #1 0x7fe130165d93 in ms_biff_put_var_write gnumeric/gnumeric/plugins/excel/ms-biff.c:726:2
    #2 0x7fe13026c0dc in excel_write_string gnumeric/gnumeric/plugins/excel/ms-excel-write.c:447:2
    #3 0x7fe1302c37a2 in excel_write_HLINKs gnumeric/gnumeric/plugins/excel/ms-excel-write.c:1623:4
    #4 0x7fe1302b0829 in excel_write_sheet gnumeric/gnumeric/plugins/excel/ms-excel-write.c:5707:2
    #5 0x7fe13027d591 in excel_write_workbook gnumeric/gnumeric/plugins/excel/ms-excel-write.c:6529:3
    #6 0x7fe130276652 in excel_write_v7 gnumeric/gnumeric/plugins/excel/ms-excel-write.c:6560:3
    #7 0x7fe130156b42 in excel_save gnumeric/gnumeric/plugins/excel/boot.c:302:3
    #8 0x7fe13015796c in excel_biff7_file_save gnumeric/gnumeric/plugins/excel/boot.c:357:2
    #9 0x7fe1528ae2aa in go_plugin_loader_module_func_file_save gnumeric/goffice/goffice/app/go-plugin-loader-module.c:366:2
    #10 0x7fe1528bdb11 in go_plugin_file_saver_save gnumeric/goffice/goffice/app/go-plugin-service.c:948:2
    #11 0x7fe1528d7b74 in go_file_saver_save gnumeric/goffice/goffice/app/file.c:848:2
    #12 0x7fe154252053 in wbv_save_to_output gnumeric/gnumeric/src/workbook-view.c:1059:2
    #13 0x7fe154252adf in wb_view_save_to_uri gnumeric/gnumeric/src/workbook-view.c:1093:3
    #14 0x7fe1542542c3 in wb_view_save_as gnumeric/gnumeric/src/workbook-view.c:1129:2
    #15 0x4e29ec in convert gnumeric/gnumeric/src/ssconvert.c:831:9
    #16 0x4decce in main gnumeric/gnumeric/src/ssconvert.c:903:9
    #17 0x7fe14cce678f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #18 0x437b98 in _start (apps/bin/ssconvert+0x437b98)

0x602000459340 is located 0 bytes to the right of 16-byte region [0x602000459330,0x602000459340)
allocated by thread T0 here:
    #0 0x4beea5 in realloc (apps/bin/ssconvert+0x4beea5)
    #1 0x7fe14d6f13f8 in g_realloc gnumeric/glib/glib/gmem.c:162

SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 __asan_memcpy


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Juha Kylmänen