Package: gnumeric
Version: 1.8.3-5
Severity: important
Gnumeric segfaults while loading files written by older versions of
gnumeric which contain empty attributes in gnm:StyleRegion.
The first attached file triggers the segfault; the second attached
file[1] has the empty attributes removed, and does not trigger the
segfault. [They were removed by the following trivial perl snippet:
perl -pi.bak2 -e 'BEGIN {$/=undef};
s{<gnm:StyleRegion>.+?</gnm:StyleRegion>}{}sg' \
temp.gnumeric;]
The following patch fixes the segfault, but this isn't the correct fix
for the actual problem. [I have also verified that this problem
reproduces in the version in experimental.]
--- gnumeric-1.9.3.orig/src/xml-sax-read.c
+++ gnumeric-1.9.3/src/xml-sax-read.c
@@ -252,7 +252,7 @@
xml_sax_attr_range (xmlChar const * const *attrs, GnmRange *res)
{
int flags = 0;
- for (; attrs[0] && attrs[1] ; attrs += 2)
+ for (; attrs != NULL && attrs[0] && attrs[1] ; attrs += 2)
if (gnm_xml_attr_int (attrs, "startCol", &res->start.col))
flags |= 0x1;
else if (gnm_xml_attr_int (attrs, "startRow", &res->start.row))
Don Armstrong
1: The attached files are seating charts from a class I taught in 2006
with the values foo-ized.
--
Junkies were all knitted together in a loose global macrame, the
intercontinental freemasonry of narcotics.
-- Bruce Sterling, _Holy Fire_ p257
http://www.donarmstrong.com http://rzlab.ucr.edu
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