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

Test case: http://jutaky.com/fuzzing/gnumeric_case_18292_37256.xls

$ ssconvert gnumeric_case_18292_37256.xls /tmp/out.gnumeric

==19354==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6040000451fc at pc 0x7f384ffe5ee2 bp 0x7ffda7f8f140 sp 0x7ffda7f8f100
READ of size 47 at 0x6040000451fc thread T0
    #0 0x7f384ffe5ee1 in iconv (/usr/lib/libasan.so.1+0x37ee1)
    #1 0x7f3848218fed in g_iconv gnumeric/glib/glib/gconvert.c:279
    #2 0x7f3829cbe8d6 in excel_get_chars gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1027
    #3 0x7f3829cbef9f in excel_get_text gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1082
    #4 0x7f3829cbf2b2 in excel_get_text_fixme gnumeric/gnumeric/plugins/excel/ms-excel-read.c:1109
    #5 0x7f3829ced242 in excel_read_DV gnumeric/gnumeric/plugins/excel/ms-excel-read.c:5558
    #6 0x7f3829cfb594 in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6829
    #7 0x7f3829cfda47 in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7077
    #8 0x7f3829cfed5f in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7183
    #9 0x7f3829c98648 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:193
    #10 0x7f3829c98f27 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273
    #11 0x7f384e62c3af in go_plugin_loader_module_func_file_open app/go-plugin-loader-module.c:282
    #12 0x7f384e6324fa in go_plugin_file_opener_open app/go-plugin-service.c:685
    #13 0x7f384e63a550 in go_file_opener_open app/file.c:417
    #14 0x7f384f518d6f in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278
    #15 0x7f384f519209 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 0x7f3847c487ff in __libc_start_main (/usr/lib/libc.so.6+0x207ff)
    #19 0x4040f8 in _start (apps/bin/ssconvert+0x4040f8)

0x6040000451fc is located 0 bytes to the right of 44-byte region [0x6040000451d0,0x6040000451fc)
allocated by thread T0 here:
    #0 0x7f38500057a7 in malloc (/usr/lib/libasan.so.1+0x577a7)
    #1 0x7f3848243b7f in g_malloc gnumeric/glib/glib/gmem.c:97
    #2 0x7f3848243e71 in g_malloc_n gnumeric/glib/glib/gmem.c:336
    #3 0x7f3829c9db58 in ms_biff_query_next gnumeric/gnumeric/plugins/excel/ms-biff.c:491
    #4 0x7f3829cfb8cc in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6610
    #5 0x7f3829cfda47 in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7077
    #6 0x7f3829cfed5f in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7183
    #7 0x7f3829c98648 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:193
    #8 0x7f3829c98f27 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273
    #9 0x7f384e62c3af in go_plugin_loader_module_func_file_open app/go-plugin-loader-module.c:282
    #10 0x7f384e6324fa in go_plugin_file_opener_open app/go-plugin-service.c:685
    #11 0x7f384e63a550 in go_file_opener_open app/file.c:417
    #12 0x7f384f518d6f in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278
    #13 0x7f384f519209 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337
    #14 0x4080cb in convert gnumeric/gnumeric/src/ssconvert.c:715
    #15 0x409439 in main gnumeric/gnumeric/src/ssconvert.c:903
    #16 0x7f3847c487ff in __libc_start_main (/usr/lib/libc.so.6+0x207ff)

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

Similarities in the trace to case #749118. If it matters.

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Juha Kylmänen