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From 7500e4d1ae85ecf9f61b1446e07ebb887118757c Mon Sep 17 00:00:00 2001
From: Carlos Garcia Campos <carlosgc@gnome.org>
Date: Sat, 30 Oct 2010 15:55:18 +0200
Subject: [PATCH 1/2] Fix a crash with documents containing an invalid
%%Pages: comment
When failed to allocate memory for pages because of invalid %%Pages:
comment, set maxpages to 0 to ignore the comment. Problem spotted
by Marek Kasik. Fixes bug #30867.
---
libspectre/ps.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libspectre/ps.c b/libspectre/ps.c
index 6c7cfce..4578cec 100644
--- a/libspectre/ps.c
+++ b/libspectre/ps.c
@@ -597,6 +597,8 @@ psscan(const char *filename, int scanstyle)
if (maxpages > 0) {
doc->pages = (struct page *) PS_calloc(maxpages,
sizeof(struct page));
+ if (!doc->pages)
+ maxpages = 0;
CHECK_MALLOCED(doc->pages);
}
}
--
1.7.11
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