From 5f03158f66dc2c73b052307f3871c4341fbabb8e Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Mon, 16 Oct 2006 01:33:16 +0000
Subject: ash: fix segfault in ash. patch by walter harms <wharms@bfs.de>

---
 shell/ash.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/shell/ash.c b/shell/ash.c
index 1260d5e..a34c871 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -3042,6 +3042,7 @@ expredir(union node *n)
 
 	for (redir = n ; redir ; redir = redir->nfile.next) {
 		struct arglist fn;
+		memset(&fn, 0, sizeof(struct arglist));
 		fn.lastp = &fn.list;
 		switch (redir->type) {
 		case NFROMTO:
@@ -3056,7 +3057,10 @@ expredir(union node *n)
 		case NTOFD:
 			if (redir->ndup.vname) {
 				expandarg(redir->ndup.vname, &fn, EXP_FULL | EXP_TILDE);
-				fixredir(redir, fn.list->text, 1);
+				if (fn.list != NULL)
+					fixredir(redir, fn.list->text, 1);
+				else
+					sh_error("redir error");
 			}
 			break;
 		}
-- 
cgit v1.1