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

Test case: http://jutaky.com/fuzzing/gnumeric_case_007-position.c.611.xls

$ ssconvert gnumeric_case_007-position.c.611.xls /tmp/out.gnumeric

==11478==ERROR: AddressSanitizer: heap-use-after-free on address 0x60300007ad44 at pc 0x7f33b5d7fd27 bp 0x7ffc35c23310 sp 0x7ffc35c23308
READ of size 4 at 0x60300007ad44 thread T0
    #0 0x7f33b5d7fd26 in gnm_cellpos_equal gnumeric/gnumeric/src/position.c:611:10
    #1 0x7f33af6de7c9 in g_hash_table_lookup_node gnumeric/glib/glib/ghash.c:396
    #2 0x7f33af6de7c9 in g_hash_table_insert_internal gnumeric/glib/glib/ghash.c:1226
    #3 0x7f339225d0c7 in excel_formula_shared gnumeric/gnumeric/plugins/excel/ms-excel-read.c:2809:3
    #4 0x7f339221c1d8 in excel_read_FORMULA gnumeric/gnumeric/plugins/excel/ms-excel-read.c:2968:11
    #5 0x7f339220ca14 in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6679:25
    #6 0x7f33921c261f in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7105:4
    #7 0x7f33921bd7d5 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7211:4
    #8 0x7f3392150001 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #9 0x7f3392151a54 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #10 0x7f33b48afe30 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #11 0x7f33b48c39b4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #12 0x7f33b48d11c8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #13 0x7f33b625be7a in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #14 0x7f33b625ca70 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #15 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9
    #16 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #17 0x7f33aecea78f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #18 0x437c58 in _start (apps/bin/ssconvert+0x437c58)

0x60300007ad44 is located 4 bytes inside of 32-byte region [0x60300007ad40,0x60300007ad60)
freed by thread T0 here:
    #0 0x4be942 in __interceptor_free (apps/bin/ssconvert+0x4be942)
    #1 0x7f33af6de34a in g_hash_table_insert_node gnumeric/glib/glib/ghash.c:991

previously allocated by thread T0 here:
    #0 0x4bed9b in calloc (apps/bin/ssconvert+0x4bed9b)
    #1 0x7f33af6f5391 in g_malloc0 gnumeric/glib/glib/gmem.c:127
    #2 0x7f339221c1d8 in excel_read_FORMULA gnumeric/gnumeric/plugins/excel/ms-excel-read.c:2968:11
    #3 0x7f339220ca14 in excel_read_sheet gnumeric/gnumeric/plugins/excel/ms-excel-read.c:6679:25
    #4 0x7f33921c261f in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7105:4
    #5 0x7f33921bd7d5 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7211:4
    #6 0x7f3392150001 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4
    #7 0x7f3392151a54 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #8 0x7f33b48afe30 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #9 0x7f33b48c39b4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #10 0x7f33b48d11c8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #11 0x7f33b625be7a in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #12 0x7f33b625ca70 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #13 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9
    #14 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #15 0x7f33aecea78f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)

SUMMARY: AddressSanitizer: heap-use-after-free gnumeric/gnumeric/src/position.c:611 gnm_cellpos_equal

--
Juha Kylmänen