From ad84398cbdf5b66abde8c90b55df386482ece1ff Mon Sep 17 00:00:00 2001
From: zhangzhangxin <zhangxin1@xfusion.com>
Date: Fri, 7 Jul 2023 16:36:16 +0800
Subject: [PATCH] sync:Fix crash with malformed document

Signed-off-by: zhangzhangxin <zhangxin1@xfusion.com>
---
 libspectre/ps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libspectre/ps.c b/libspectre/ps.c
index fb84d80..62472b1 100644
--- a/libspectre/ps.c
+++ b/libspectre/ps.c
@@ -1065,7 +1065,7 @@ continuepage:
 		       iscomment(line+2, "PageMedia:")) {
 		cp = ps_gettext(line+length("%%PageMedia:"), NULL);
 		for (dmp = doc->media, i=0; i<doc->nummedia; i++, dmp++) {
-		    if (strcmp(cp, dmp->name) == 0) {
+		    if (cp && strcmp(cp, dmp->name) == 0) {
 			doc->pages[doc->numpages].media = dmp;
 			break;
 		    }
-- 
2.40.0.windows.1