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

Test case: http://jutaky.com/fuzzing/gnumeric_case_010-go-format.c.6321.xls

$ ssconvert gnumeric_case_010-go-format.c.6321.xls /tmp/out.gnumeric

==8371==ERROR: AddressSanitizer: SEGV on unknown address 0x00073fff8001 (pc 0x7faa803869a5 bp 0x7ffc06510890 sp 0x7ffc06510680 T0)
    #0 0x7faa803869a4 in go_format_unref gnumeric/goffice/goffice/utils/go-format.c:6321:2
    #1 0x7faa8161dd4b in value_release gnumeric/gnumeric/src/value.c:564:3
    #2 0x7faa80c4ea67 in gnm_cell_cleanout gnumeric/gnumeric/src/cell.c:62:2
    #3 0x7faa81305fcf in cell_free gnumeric/gnumeric/src/sheet.c:4257:2
    #4 0x7faa812f4f99 in cb_remove_allcells gnumeric/gnumeric/src/sheet.c:4495:2
    #5 0x7faa7ab1f9af in g_hash_table_foreach gnumeric/glib/glib/ghash.c:1607
    #6 0x7faa812c13c6 in sheet_cell_foreach gnumeric/gnumeric/src/sheet.c:4089:2
    #7 0x7faa812f431c in sheet_destroy_contents gnumeric/gnumeric/src/sheet.c:4549:2
    #8 0x7faa8166ea49 in workbook_dispose gnumeric/gnumeric/src/workbook.c:169:3
    #9 0x7faa7b03ca54 in g_object_unref gnumeric/glib/gobject/gobject.c:3137
    #10 0x4e2be8 in convert gnumeric/gnumeric/src/ssconvert.c:841:3
    #11 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #12 0x7faa7a12a78f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #13 0x437c58 in _start (apps/bin/ssconvert+0x437c58)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV gnumeric/goffice/goffice/utils/go-format.c:6321 go_format_unref

--
Juha Kylmänen