Fix memory corruption while parsing functions

Resolves: #1451057

ksh-20120801-syntax-error.patch

@@ -0,0 +1,12 @@
+diff --git a/src/cmd/ksh93/sh/parse.c b/src/cmd/ksh93/sh/parse.c
+--- a/src/cmd/ksh93/sh/parse.c
++++ b/src/cmd/ksh93/sh/parse.c
+@@ -742,7 +742,7 @@ static Shnode_t *funct(Lex_t *lexp)
+ 	register Shnode_t *t;
+ 	register int flag;
+ 	struct slnod *volatile slp=0;
+-	Stak_t *savstak;
++	Stak_t *volatile savstak=0;
+ 	Sfoff_t	first, last;
+ 	struct functnod *volatile fp;
+ 	Sfio_t *iop;

ksh.spec

@@ -8,7 +8,7 @@ URL:          http://www.kornshell.com/
 #CPL everywhere else (for KSH itself)
 License:      CPL
 Version:      %{releasedate}
-Release:      34%{?dist}
+Release:      35%{?dist}
 Source0:      http://www.research.att.com/~gsf/download/tgz/ast-ksh.%{release_date}.tgz
 Source1:      http://www.research.att.com/~gsf/download/tgz/INIT.%{release_date}.tgz
 Source2:      kshcomp.conf
@@ -184,6 +184,9 @@ Patch76: ksh-20120801-kia.patch
 # rhbz#1417886
 Patch77: ksh-20120801-iso8859.patch
 
+# rhbz#1451057
+Patch78: ksh-20120801-syntax-error.patch
+
 Conflicts:    pdksh
 Requires: coreutils, diffutils, chkconfig
 BuildRequires: bison
@@ -260,6 +263,7 @@ with "sh" (the Bourne Shell).
 %patch75 -p1 -b .F_dupfd_cloexec
 %patch76 -p1 -b .kia
 %patch77 -p1 -b .iso8859
+%patch78 -p1 -b .syntax-error
 
 #/dev/fd test does not work because of mock
 sed -i 's|ls /dev/fd|ls /proc/self/fd|' src/cmd/ksh93/features/options
@@ -365,6 +369,10 @@ fi
 %config(noreplace) %{_sysconfdir}/binfmt.d/kshcomp.conf
 
 %changelog
+* Mon May 29 2017 Siteshwar Vashisht <svashisht@redhat.com> - 20120801-35
+- Fix memory corruption while parsing functions
+  Resolves: #1451057
+
 * Tue Apr 25 2017 Siteshwar Vashisht <svashisht@redhat.com> - 20120801-34
 - Fix parsing of iso8859 characters
   Resolves: #1417886