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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_ */
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