From: Andreas Gal <gal@uci.edu>
Date: Sun, 24 Apr 2005 05:05:44 GMT
Subject: [PATH] fix segfault in fsck-cache
Message-ID: <Pine.LNX.4.58.0504232202380.7195@sam.ics.uci.edu>
In-Reply-To: <Pine.LNX.4.58.0504232153500.15879@ppc970.osdl.org>


I somehow got some corrupted object files in my repository that zlib 
refuses to decompress. This patch makes sure we abort early before the 
memcpy a few lines downtream segfaults (due to total_out == 0).

Andreas

Signed-off-by: Andreas Gal <gal@uci.edu>

--- 66308ede85c2dad6b184fb74a7215b06a173d8f7/sha1_file.c
+++ sha1_file.c
@@ -155,6 +155,8 @@
 
 	inflateInit(&stream);
 	ret = inflate(&stream, 0);
+	if (ret != Z_OK)
+		return NULL;
 	if (sscanf(buffer, "%10s %lu", type, size) != 2)
 		return NULL;