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+ BASH PATCH REPORT
+ =================
+
+Bash-Release: 4.4
+Patch-ID: bash44-008
+
+Bug-Reported-by: Koichi MURASE <myoga.murase@gmail.com>
+Bug-Reference-ID: <CAFLRLk-V+1AeQ2k=pY7ih6V+MfQ_w8EF3YWL2E+wmLfgKBtzXA@mail.gmail.com>
+Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2016-11/msg00050.html
+
+Bug-Description:
+
+Under certain circumstances, bash will evaluate arithmetic expressions as
+part of reading an expression token even when evaluation is suppressed. This
+happens while evaluating a conditional expression and skipping over the
+failed branch of the expression.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-4.4-patched/expr.c 2015-10-11 14:46:36.000000000 -0400
+--- expr.c 2016-11-08 11:55:46.000000000 -0500
+***************
+*** 579,585 ****
+ if (curtok == QUES) /* found conditional expr */
+ {
+- readtok ();
+- if (curtok == 0 || curtok == COL)
+- evalerror (_("expression expected"));
+ if (cval == 0)
+ {
+--- 579,582 ----
+***************
+*** 588,591 ****
+--- 585,592 ----
+ }
+
++ readtok ();
++ if (curtok == 0 || curtok == COL)
++ evalerror (_("expression expected"));
++
+ val1 = EXP_HIGHEST ();
+
+***************
+*** 594,600 ****
+ if (curtok != COL)
+ evalerror (_("`:' expected for conditional expression"));
+! readtok ();
+! if (curtok == 0)
+! evalerror (_("expression expected"));
+ set_noeval = 0;
+ if (cval)
+--- 595,599 ----
+ if (curtok != COL)
+ evalerror (_("`:' expected for conditional expression"));
+!
+ set_noeval = 0;
+ if (cval)
+***************
+*** 604,608 ****
+--- 603,611 ----
+ }
+
++ readtok ();
++ if (curtok == 0)
++ evalerror (_("expression expected"));
+ val2 = expcond ();
++
+ if (set_noeval)
+ noeval--;
+*** ../bash-4.4/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
+--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
+***************
+*** 26,30 ****
+ looks for to find the patch level (for the sccs version string). */
+
+! #define PATCHLEVEL 7
+
+ #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+ looks for to find the patch level (for the sccs version string). */
+
+! #define PATCHLEVEL 8
+
+ #endif /* _PATCHLEVEL_H_ */