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Bug 749395 - Large leak from utils/go-pixbuf.c on a fuzzed .gnumeric file
Large leak from utils/go-pixbuf.c on a fuzzed .gnumeric file
Status: RESOLVED FIXED
Product: Gnumeric
Classification: Applications
Component: import/export MS Excel (tm)
git master
Other Linux
: Normal normal
: ---
Assigned To: Jody Goldberg
Jody Goldberg
http://jutaky.com/fuzzing/gnumeric_ca...
Depends on:
Blocks:
 
 
Reported: 2015-05-14 20:46 UTC by jutaky
Modified: 2015-05-14 21:43 UTC
See Also:
GNOME target: ---
GNOME version: ---



Description jutaky 2015-05-14 20:46:23 UTC
Git versions of gtk, glib, goffice, gnumeric, libgsf and libxml2.

Test case: http://jutaky.com/fuzzing/gnumeric_case_9398_85.gnumeric

$ ssconvert gnumeric_case_9398_85.gnumeric /tmp/out.gnumeric

==22558==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4503628 byte(s) in 3 object(s) allocated from:
    #0 0x4bf952 in __interceptor_malloc (apps/bin/ssconvert+0x4bf952)
    #1 0x7f3b72443d3f in g_try_malloc gnumeric/glib/glib/gmem.c:244
    #2 0x7f3b7a2cdba5 in go_pixbuf_load_data gnumeric/goffice/goffice/utils/go-pixbuf.c:164:26
    #3 0x7f3b7a2b83ba in go_image_load_data gnumeric/goffice/goffice/utils/go-image.c:794:20
    #4 0x7f3b79905c72 in load_image_data gnumeric/goffice/goffice/app/go-doc.c:574:2
    #5 0x7f3b7896341a in gsf_xml_in_end_element gnumeric/libgsf/gsf/gsf-libxml.c:863:3
    #6 0x7f3b76b0d660 in xmlParseEndTag1 gnumeric/libxml2/parser.c:8747:9
    #7 0x7f3b76b29601 in xmlParseElement__internal_alias gnumeric/libxml2/parser.c:10191:2
    #8 0x7f3b76b1d14a in xmlParseContent__internal_alias gnumeric/libxml2/parser.c:9990:6
    #9 0x7f3b76b27c97 in xmlParseElement__internal_alias gnumeric/libxml2/parser.c:10163:5
    #10 0x7f3b76b1d14a in xmlParseContent__internal_alias gnumeric/libxml2/parser.c:9990:6
    #11 0x7f3b76b27c97 in xmlParseElement__internal_alias gnumeric/libxml2/parser.c:10163:5
    #12 0x7f3b76b7a4ce in xmlParseDocument__internal_alias gnumeric/libxml2/parser.c:10849:2
    #13 0x7f3b789402c3 in gsf_xml_in_doc_parse gnumeric/libgsf/gsf/gsf-libxml.c:1338:2
    #14 0x7f3b7cb78ccf in read_file_common gnumeric/gnumeric/src/xml-sax-read.c:3401:7
    #15 0x7f3b7cb83d00 in gnm_xml_file_open gnumeric/gnumeric/src/xml-sax-read.c:3530:7
    #16 0x7f3b799aacd8 in go_file_opener_open_real gnumeric/goffice/goffice/app/file.c:159:4
    #17 0x7f3b7998f56b in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #18 0x7f3b7ca076f7 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #19 0x7f3b7ca082e0 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #20 0x4e7171 in convert gnumeric/gnumeric/src/ssconvert.c:715:9
    #21 0x4e49fc in main gnumeric/gnumeric/src/ssconvert.c:903:9
    #22 0x7f3b71a2a7ff in __libc_start_main (/usr/lib/libc.so.6+0x207ff)

SUMMARY: AddressSanitizer: 4503628 byte(s) leaked in 3 allocation(s).

--
Juha Kylmänen
Comment 1 Morten Welinder 2015-05-14 21:43:33 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.