Resolves: #1222867 - fix SIGSEGV of the syntax check in ksh emulation mode

zsh-5.0.7-ksh-syntax-check.patch

@@ -0,0 +1,45 @@
+From 3427fe59c2d76ddbf4b23908c6ae5272734c7c8b Mon Sep 17 00:00:00 2001
+From: "Barton E. Schaefer" <schaefer@zsh.org>
+Date: Wed, 20 May 2015 10:14:04 -0700
+Subject: [PATCH] 35231: make mkevnstr() safe for NULL value
+
+Upstream-commit: af957f2ed6287f66953742fbca69188cecb98fbf
+Signed-off-by: Kamil Dudka <kdudka@redhat.com>
+---
+ Src/params.c | 14 +++++++++-----
+ 1 file changed, 9 insertions(+), 5 deletions(-)
+
+diff --git a/Src/params.c b/Src/params.c
+index 61edc5d..d0ce0a9 100644
+--- a/Src/params.c
++++ b/Src/params.c
+@@ -4534,17 +4534,21 @@ addenv(Param pm, char *value)
+ static char *
+ mkenvstr(char *name, char *value, int flags)
+ {
+-    char *str, *s;
+-    int len_name, len_value;
++    char *str, *s = value;
++    int len_name, len_value = 0;
+ 
+     len_name = strlen(name);
+-    for (len_value = 0, s = value;
+-	 *s && (*s++ != Meta || *s++ != 32); len_value++);
++    if (s)
++	while (*s && (*s++ != Meta || *s++ != 32))
++	    len_value++;
+     s = str = (char *) zalloc(len_name + len_value + 2);
+     strcpy(s, name);
+     s += len_name;
+     *s = '=';
+-    copyenvstr(s, value, flags);
++    if (value)
++	copyenvstr(s, value, flags);
++    else
++	*++s = '\0';
+     return str;
+ }
+ 
+-- 
+2.4.1
+

zsh.spec

@@ -3,7 +3,7 @@
 Summary: Powerful interactive shell
 Name: zsh
 Version: 5.0.7
-Release: 7%{?dist}
+Release: 8%{?dist}
 License: MIT
 URL: http://zsh.sourceforge.net/
 Group: System Environment/Shells
@@ -38,6 +38,9 @@ Patch10: zsh-5.0.7-signal-safety.patch
 # improve signal name generation (prevents Test/C03traps.ztst from failing)
 Patch11: zsh-5.0.7-signal-name.patch
 
+# fix SIGSEGV of the syntax check in ksh emulation mode (#1222867)
+Patch12: zsh-5.0.7-ksh-syntax-check.patch
+
 BuildRequires: coreutils sed ncurses-devel libcap-devel
 BuildRequires: texinfo texi2html gawk hostname
 Requires(post): info grep
@@ -80,6 +83,7 @@ This package contains the Zsh manual in html format.
 %patch9 -p1
 %patch10 -p1
 %patch11 -p1
+%patch12 -p1
 
 cp -p %SOURCE7 .
 
@@ -197,6 +201,9 @@ fi
 %doc Doc/*.html
 
 %changelog
+* Fri May 22 2015 Kamil Dudka <kdudka@redhat.com> - 5.0.7-8
+- fix SIGSEGV of the syntax check in ksh emulation mode (#1222867)
+
 * Mon Apr 20 2015 Kamil Dudka <kdudka@redhat.com> - 5.0.7-7
 - fix SIGSEGV when handling heredocs and keyboard interrupt (#972624)
 - queue signals when manipulating global state to avoid deadlock