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Bug 752182 - Segfault in go-format.c:6261 on a fuzzed xls file
Segfault in go-format.c:6261 on a fuzzed xls file
Product: Gnumeric
Classification: Applications
Component: import/export MS Excel (tm)
git master
Other Linux
: Normal critical
: ---
Assigned To: Jody Goldberg
Jody Goldberg
Depends on:
Reported: 2015-07-09 15:08 UTC by jutaky
Modified: 2015-10-19 17:55 UTC
See Also:
GNOME target: ---
GNOME version: ---

Description jutaky 2015-07-09 15:08:18 UTC
Git versions of glib, goffice, gnumeric, libgsf and libxml2.

Test case:

$ ssconvert gnumeric_case_005-go-format.c.6261.xls /tmp/out.gnumeric

==22211==ERROR: AddressSanitizer: SEGV on unknown address 0x00087fff8006 (pc 0x7f4553713098 bp 0x7fffd4151ef0 sp 0x7fffd4151de0 T0)
    #0 0x7f4553713097 in go_format_as_XL gnumeric/goffice/goffice/utils/go-format.c:6261:9
    #1 0x7f4555859f89 in xml_write_cell_and_position gnumeric/gnumeric/src/xml-sax-write.c:880:24
    #2 0x7f4555858290 in cb_write_cell gnumeric/gnumeric/src/xml-sax-write.c:911:2
    #3 0x7f4555185e6f in sheet_foreach_cell_in_range gnumeric/gnumeric/src/sheet.c:4002:12
    #4 0x7f455584d899 in xml_write_cells gnumeric/gnumeric/src/xml-sax-write.c:919:2
    #5 0x7f4555844be2 in xml_write_sheet gnumeric/gnumeric/src/xml-sax-write.c:1372:2
    #6 0x7f4555841559 in xml_write_sheets gnumeric/gnumeric/src/xml-sax-write.c:1390:3
    #7 0x7f455583c114 in gnm_xml_file_save_full gnumeric/gnumeric/src/xml-sax-write.c:1521:2
    #8 0x7f455583aed6 in gnm_xml_file_save gnumeric/gnumeric/src/xml-sax-write.c:1555:2
    #9 0x7f4552eb7c9f in go_file_saver_save_real gnumeric/goffice/goffice/app/file.c:577:2
    #10 0x7f4552eacdca in go_file_saver_save gnumeric/goffice/goffice/app/file.c:848:2
    #11 0x7f4555691613 in wbv_save_to_output gnumeric/gnumeric/src/workbook-view.c:1059:2
    #12 0x7f4555692145 in wb_view_save_to_uri gnumeric/gnumeric/src/workbook-view.c:1093:3
    #13 0x7f4555693c81 in wb_view_save_as gnumeric/gnumeric/src/workbook-view.c:1129:2
    #14 0x4e8c81 in convert gnumeric/gnumeric/src/ssconvert.c:836:9
    #15 0x4e49bc in main gnumeric/gnumeric/src/ssconvert.c:913:9
    #16 0x7f454c17778f in __libc_start_main (/usr/lib/
    #17 0x438a48 in _start (apps/bin/ssconvert+0x438a48)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV gnumeric/goffice/goffice/utils/go-format.c:6261 go_format_as_XL

Juha Kylmänen
Comment 1 Morten Welinder 2015-10-19 17:55:22 UTC
This problem has been fixed in our software repository. The fix will go into the next software release. Once that release is available, you may want to check for a software upgrade provided by your Linux distribution.