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

Test case: http://jutaky.com/fuzzing/gnumeric_case_24050_123485.xls

$ ssconvert gnumeric_case_24050_123485.xls /tmp/out.gnumeric

==14421==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60300007793a at pc 0x7f5488ef13db bp 0x7ffff64ca520 sp 0x7ffff64ca510
READ of size 1 at 0x60300007793a thread T0
    #0 0x7f5488ef13da in xls_header_footer_import gnumeric/gnumeric/plugins/excel/ms-excel-util.c:767
    #1 0x7f5488f334cc in excel_read_HEADER_FOOTER gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6417
    #2 0x7f5488f36623 in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6691
    #3 0x7f5488f399ee in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7077
    #4 0x7f5488f3ad06 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7183
    #5 0x7f5488ed4648 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:193
    #6 0x7f5488ed4f27 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273
    #7 0x7f54add453af in go_plugin_loader_module_func_file_open app/go-plugin-loader-module.c:282
    #8 0x7f54add4b4fa in go_plugin_file_opener_open app/go-plugin-service.c:685
    #9 0x7f54add53550 in go_file_opener_open app/file.c:417
    #10 0x7f54aec314ff in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278
    #11 0x7f54aec31999 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337
    #12 0x4080cb in convert gnumeric/gnumeric/src/ssconvert.c:715
    #13 0x409439 in main gnumeric/gnumeric/src/ssconvert.c:903
    #14 0x7f54a73617ff in __libc_start_main (/usr/lib/libc.so.6+0x207ff)
    #15 0x4040f8 in _start (apps/bin/ssconvert+0x4040f8)

0x60300007793a is located 0 bytes to the right of 26-byte region [0x603000077920,0x60300007793a)
allocated by thread T0 here:
    #0 0x7f54af71da86 in __interceptor_realloc (/usr/lib/libasan.so.1+0x57a86)
    #1 0x7f54a795cc5f in g_realloc gnumeric/glib/glib/gmem.c:162
    #2 0x7f5488efa94d in excel_get_chars gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1034
    #3 0x7f5488efaf46 in excel_get_text gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1082
    #4 0x7f5488efb7c1 in excel_biff_text_2 gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1149
    #5 0x7f5488f33342 in excel_read_HEADER_FOOTER gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6411
    #6 0x7f5488f36623 in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6691
    #7 0x7f5488f399ee in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7077
    #8 0x7f5488f3ad06 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7183
    #9 0x7f5488ed4648 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:193
    #10 0x7f5488ed4f27 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273
    #11 0x7f54add453af in go_plugin_loader_module_func_file_open app/go-plugin-loader-module.c:282
    #12 0x7f54add4b4fa in go_plugin_file_opener_open app/go-plugin-service.c:685
    #13 0x7f54add53550 in go_file_opener_open app/file.c:417
    #14 0x7f54aec314ff in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278
    #15 0x7f54aec31999 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337
    #16 0x4080cb in convert gnumeric/gnumeric/src/ssconvert.c:715
    #17 0x409439 in main gnumeric/gnumeric/src/ssconvert.c:903
    #18 0x7f54a73617ff in __libc_start_main (/usr/lib/libc.so.6+0x207ff)

SUMMARY: AddressSanitizer: heap-buffer-overflow gnumeric/gnumeric/plugins/excel/ms-excel-util.c:767 xls_header_footer_import

--
Juha Kylmänen