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BASH PATCH REPORT
=================
Bash-Release: 4.3
Patch-ID: bash43-036
Bug-Reported-by: emanuelczirai@cryptolab.net
Bug-Reference-ID: <f962e4f556da5ebfadaf7afe9c78a8cb@cryptolab.net>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2015-02/msg00071.html
Bug-Description:
When evaluating and setting integer variables, and the assignment fails to
create a variable (for example, when performing an operation on an array
variable with an invalid subscript), bash attempts to dereference a null
pointer, causing a segmentation violation.
Patch (apply with `patch -p0'):
--- a/variables.c
+++ b/variables.c
@@ -2833,10 +2833,12 @@ bind_int_variable (lhs, rhs)
#endif
v = bind_variable (lhs, rhs, 0);
- if (v && isint)
- VSETATTR (v, att_integer);
-
- VUNSETATTR (v, att_invisible);
+ if (v)
+ {
+ if (isint)
+ VSETATTR (v, att_integer);
+ VUNSETATTR (v, att_invisible);
+ }
return (v);
}
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 35
+#define PATCHLEVEL 36
#endif /* _PATCHLEVEL_H_ */