From: Stelian Pop <stelian@popies.net>
Date: Mon, 22 Nov 2004 10:32:31 +0000 (+0000)
Subject: Fix SIGSEGV in dump when dumping huge 2TB filesystems (bad inode map calculation)
X-Git-Tag: release_0_4b38~7
X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=commitdiff_plain;h=241ddca30657af0cb9dbc60685712d7a4989ee49

Fix SIGSEGV in dump when dumping huge 2TB filesystems (bad inode map calculation)
---

diff --git a/CHANGES b/CHANGES
index 3a2b9b7..5ae2f0a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,4 @@
-$Id: CHANGES,v 1.258 2004/11/22 10:22:40 stelian Exp $
+$Id: CHANGES,v 1.259 2004/11/22 10:32:31 stelian Exp $
 
 Changes between versions 0.4b37 and 0.4b38 (released ????????????)
 ==================================================================
@@ -17,6 +17,11 @@ Changes between versions 0.4b37 and 0.4b38 (released ????????????)
 	(excluded from dump). This will eliminate the 'missing
 	file' warnings when doing 'restore -C'.
 
+5.	Fix dump crash when backuping a huge (2TB) filesystem,
+	due to a bogus calculation on the inode map size.
+	Thanks to Kevin B. Haines <K.B.Haines@rl.ac.uk> for 
+	submitting the bug and testing the fix.
+
 Changes between versions 0.4b36 and 0.4b37 (released July 7, 2004)
 ==================================================================
 
diff --git a/THANKS b/THANKS
index ca207bd..98a98e3 100644
--- a/THANKS
+++ b/THANKS
@@ -1,4 +1,4 @@
-$Id: THANKS,v 1.86 2004/07/13 08:17:30 stelian Exp $
+$Id: THANKS,v 1.87 2004/11/22 10:32:31 stelian Exp $
 
 Dump and restore were written by the people of the CSRG at the University
 of California, Berkeley.
@@ -52,6 +52,7 @@ Arcady Genkin		antipode@users.sourceforge.net
 Uwe Gohlke		uwe@ugsoft.de
 Ian Gordon		iangordon@users.sourceforge.net
 Ted Grzesik		tedgyz@roostme.com
+Kevin B. Haines		K.B.Haines@rl.ac.uk
 Mike Harris		mharris@redhat.com
 Andreas Hasenack	andreas@conectiva.com.br
 Christian Haul		haul@informatik.tu-darmstadt.de
diff --git a/dump/tape.c b/dump/tape.c
index 2df4d1e..6f829f8 100644
--- a/dump/tape.c
+++ b/dump/tape.c
@@ -37,7 +37,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: tape.c,v 1.86 2004/07/07 11:07:29 stelian Exp $";
+	"$Id: tape.c,v 1.87 2004/11/22 10:32:32 stelian Exp $";
 #endif /* not lint */
 
 #include <config.h>
@@ -475,10 +475,14 @@ flushtape(void)
 	}
 
 	blks = 0;
-	if (spcl.c_type != TS_END) {
-		for (i = 0; i < spcl.c_count; i++)
-			if (spcl.c_addr[i] != 0)
-				blks++;
+	if (spcl.c_type == TS_CLRI || spcl.c_type == TS_BITS)
+		blks = spcl.c_count;
+	else {
+		if (spcl.c_type != TS_END) {
+			for (i = 0; i < spcl.c_count; i++)
+				if (spcl.c_addr[i] != 0)
+					blks++;
+		}
 	}
 	slp->count = lastspclrec + blks + 1 - spcl.c_tapea;
 	slp->tapea = spcl.c_tapea;