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Bug 749917 - Hang / undefined-behavior, division by zero print.c:827
Hang / undefined-behavior, division by zero print.c:827
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: 2015-05-26 17:04 UTC by jutaky
Modified: 2015-05-27 20:27 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description jutaky 2015-05-26 17:04:20 UTC 
Git versions of gtk, glib, goffice, gnumeric, libgsf and libxml2.

Test case: http://jutaky.com/fuzzing/gnumeric_case_26652_123801.2pdf.xls

$ ssconvert gnumeric_case_26652_123801.2pdf.xls /tmp/out.pdf

print.c:827:55: runtime error: division by zero
SUMMARY: AddressSanitizer: undefined-behavior print.c:827

Also, when the test case is opened using Gnumeric, it complains "Invalid MS property stream header or file truncated" and on closing the dialog Gnumeric appears to hang.

CPU usage is constant 100% until killed.

--
Juha Kylmänen
Comment 1 Morten Welinder 2015-05-27 20:21:47 UTC 
fixed, I think.

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.
Comment 2 Morten Welinder 2015-05-27 20:27:18 UTC 
The hang is just gtk+ sweating over a box with 40k+ buttons in it, I
think.  I don't think I want to do anything over that.