path: root/recipes/linux/openzaurus-pxa27x-2.4.20-rmk2-embedix20050602/P09-ext3-isofs-fix_041216.patch

diff -Nur c3000_pre/linux/drivers/char/drm/r128_state.c c3000_work/linux/drivers/char/drm/r128_state.c
--- c3000_pre/linux/drivers/char/drm/r128_state.c	2004-08-21 09:48:33.000000000 +0900
+++ c3000_work/linux/drivers/char/drm/r128_state.c	2004-12-16 21:11:04.000000000 +0900
@@ -23,8 +23,22 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * RED HAT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * THIS SOFTWARE IS NOT INTENDED FOR USE IN SAFETY CRITICAL SYSTEMS
+ *
  * Authors:
  *    Gareth Hughes <gareth@valinux.com>
+ *
+ * Memory allocation size checks added 14/01/2003, Alan Cox <alan@redhat.com>
+ * Memory allocation size checks enhanced 16/02/2004, Thomas Biege <thomas@suse.de>
+ *
  */
 
 #include "r128.h"
@@ -902,6 +916,9 @@
 	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
 	count = depth->n;
+
+	if( count > 4096 || count <= 0)
+		return -EMSGSIZE;
 	if ( copy_from_user( &x, depth->x, sizeof(x) ) ) {
 		return -EFAULT;
 	}
@@ -996,6 +1013,9 @@
 
 	count = depth->n;
 
+	if( count > 4096 || count <= 0)
+		return -EMSGSIZE;
+
 	x = kmalloc( count * sizeof(*x), GFP_KERNEL );
 	if ( x == NULL ) {
 		return -ENOMEM;
@@ -1110,6 +1130,9 @@
 	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
 	count = depth->n;
+
+	if ( count > 4096 || count <= 0)
+		return -EMSGSIZE;
 	if ( copy_from_user( &x, depth->x, sizeof(x) ) ) {
 		return -EFAULT;
 	}
@@ -1152,9 +1175,14 @@
 	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
 	count = depth->n;
+	if ( count > 4096 || count <= 0)
+		return -EMSGSIZE;
 	if ( count > dev_priv->depth_pitch ) {
 		count = dev_priv->depth_pitch;
 	}
+	if( count * sizeof(int) <= 0 || count * sizeof(*x) <= 0 || count * sizeof(*y) <= 0)
+		return -EMSGSIZE;
+
 
 	x = kmalloc( count * sizeof(*x), GFP_KERNEL );
 	if ( x == NULL ) {
diff -Nur c3000_pre/linux/drivers/char/drm-4.0/r128_state.c c3000_work/linux/drivers/char/drm-4.0/r128_state.c
--- c3000_pre/linux/drivers/char/drm-4.0/r128_state.c	2004-08-21 09:48:33.000000000 +0900
+++ c3000_work/linux/drivers/char/drm-4.0/r128_state.c	2004-12-16 21:11:04.000000000 +0900
@@ -26,6 +26,8 @@
  * Authors:
  *    Gareth Hughes <gareth@valinux.com>
  *
+ * Memory allocation size checks added 16/02/2004, Thomas Biege <thomas@suse.de>
+ *
  */
 
 #define __NO_VERSION__
@@ -938,6 +940,9 @@
 	}
 
 	count = depth->n;
+
+	if( count > 4096 || count <= 0)
+		return -EMSGSIZE;
 	if ( copy_from_user( &x, depth->x, sizeof(x) ) ) {
 		return -EFAULT;
 	}
@@ -1047,6 +1052,9 @@
 	}
 
 	count = depth->n;
+	if( count > 4096 || count <= 0 || count * sizeof(*x) <= 0 ||
+	    count * sizeof(*y) <= 0)
+		return -EMSGSIZE;
 
 	x = kmalloc( count * sizeof(*x), 0 );
 	if ( x == NULL ) {
@@ -1178,6 +1186,9 @@
 	}
 
 	count = depth->n;
+
+	if ( count > 4096 || count <= 0)
+		return -EMSGSIZE;
 	if ( copy_from_user( &x, depth->x, sizeof(x) ) ) {
 		return -EFAULT;
 	}
@@ -1235,9 +1246,13 @@
 	}
 
 	count = depth->n;
+	if ( count > 4096 || count <= 0)
+		return -EMSGSIZE;
 	if ( count > dev_priv->depth_pitch ) {
 		count = dev_priv->depth_pitch;
 	}
+	if( count * sizeof(int) <= 0 || count * sizeof(*x) <= 0 || count * sizeof(*y) <= 0)
+		return -EMSGSIZE;
 
 	x = kmalloc( count * sizeof(*x), 0 );
 	if ( x == NULL ) {
diff -Nur c3000_pre/linux/drivers/sound/sb_audio.c c3000_work/linux/drivers/sound/sb_audio.c
--- c3000_pre/linux/drivers/sound/sb_audio.c	2004-08-21 09:48:54.000000000 +0900
+++ c3000_work/linux/drivers/sound/sb_audio.c	2004-12-16 21:11:04.000000000 +0900
@@ -879,7 +879,7 @@
 			c -= locallen; p += locallen;
 		}
 		/* used = ( samples * 16 bits size ) */
-		*used = len << 1;
+		*used = (max_in > (max_out << 1)) ? (max_out << 1) : max_in;
 		/* returned = ( samples * 8 bits size ) */
 		*returned = len;
 	}
diff -Nur c3000_pre/linux/fs/isofs/dir.c c3000_work/linux/fs/isofs/dir.c
--- c3000_pre/linux/fs/isofs/dir.c	2004-08-21 09:48:59.000000000 +0900
+++ c3000_work/linux/fs/isofs/dir.c	2004-12-16 21:11:04.000000000 +0900
@@ -63,7 +63,8 @@
 			break;
 
 		/* Convert remaining ';' to '.' */
-		if (c == ';')
+		/* Also '/' to '.' (broken Acorn-generated ISO9660 images) */
+		if (c == ';' || c == '/')
 			c = '.';
 
 		new[i] = c;
diff -Nur c3000_pre/linux/fs/jbd/journal.c c3000_work/linux/fs/jbd/journal.c
--- c3000_pre/linux/fs/jbd/journal.c	2004-08-21 09:48:59.000000000 +0900
+++ c3000_work/linux/fs/jbd/journal.c	2004-12-16 21:11:04.000000000 +0900
@@ -671,6 +671,7 @@
 
 	bh = getblk(journal->j_dev, blocknr, journal->j_blocksize);
 	lock_buffer(bh);
+	memset(bh->b_data, 0, journal->j_blocksize);
 	BUFFER_TRACE(bh, "return this buffer");
 	return journal_add_journal_head(bh);
 }
diff -Nur c3000_pre/linux/fs/ncpfs/dir.c c3000_work/linux/fs/ncpfs/dir.c
--- c3000_pre/linux/fs/ncpfs/dir.c	2004-08-21 09:49:00.000000000 +0900
+++ c3000_work/linux/fs/ncpfs/dir.c	2004-12-16 21:11:04.000000000 +0900
@@ -266,8 +266,8 @@
 	struct ncp_server *server;
 	struct inode *dir = dentry->d_parent->d_inode;
 	struct ncp_entry_info finfo;
-	int res, val = 0, len = dentry->d_name.len + 1;
-	__u8 __name[len];
+	int res, val = 0, len;
+	__u8 __name[NCP_MAXPATHLEN + 1];
 
 	if (!dentry->d_inode || !dir)
 		goto finished;
@@ -291,14 +291,15 @@
 		dentry->d_parent->d_name.name, dentry->d_name.name,
 		NCP_GET_AGE(dentry));
 
+	len = sizeof(__name);
 	if (ncp_is_server_root(dir)) {
 		res = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, 1);
+				 dentry->d_name.len, 1);
 		if (!res)
 			res = ncp_lookup_volume(server, __name, &(finfo.i));
 	} else {
 		res = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, !ncp_preserve_case(dir));
+				 dentry->d_name.len, !ncp_preserve_case(dir));
 		if (!res)
 			res = ncp_obtain_info(server, dir, __name, &(finfo.i));
 	}
@@ -548,9 +549,9 @@
 	int valid = 0;
 	int hashed = 0;
 	ino_t ino = 0;
-	__u8 __name[256];
+	__u8 __name[NCP_MAXPATHLEN + 1];
 
-	qname.len = 256;
+	qname.len = sizeof(__name);
 	if (ncp_vol2io(NCP_SERVER(inode), __name, &qname.len,
 			entry->i.entryName, entry->i.nameLen,
 			!ncp_preserve_entry_case(inode, entry->i.NSCreator)))
@@ -705,16 +706,19 @@
 {
 	struct ncp_server* server = NCP_SBP(sb);
 	struct nw_info_struct i;
-	int result, len = strlen(server->m.mounted_vol) + 1;
-	__u8 __name[len];
+	int result;
 
 	if (ncp_single_volume(server)) {
+		int len;
 		struct dentry* dent;
+		__u8 __name[NCP_MAXPATHLEN + 1];
 
-		result = -ENOENT;
-		if (ncp_io2vol(server, __name, &len, server->m.mounted_vol,
-								len-1, 1))
+		len = sizeof(__name);
+		result = ncp_io2vol(server, __name, &len, server->m.mounted_vol,
+				    strlen(server->m.mounted_vol), 1);
+		if (result)
 			goto out;
+		result = -ENOENT;
 		if (ncp_lookup_volume(server, __name, &i)) {
 			PPRINTK("ncp_conn_logged_in: %s not found\n",
 				server->m.mounted_vol);
@@ -745,8 +749,8 @@
 	struct ncp_server *server = NCP_SERVER(dir);
 	struct inode *inode = NULL;
 	struct ncp_entry_info finfo;
-	int error, res, len = dentry->d_name.len + 1;
-	__u8 __name[len];
+	int error, res, len;
+	__u8 __name[NCP_MAXPATHLEN + 1];
 
 	error = -EIO;
 	if (!ncp_conn_valid(server))
@@ -755,14 +759,15 @@
 	PPRINTK("ncp_lookup: server lookup for %s/%s\n",
 		dentry->d_parent->d_name.name, dentry->d_name.name);
 
+	len = sizeof(__name);
 	if (ncp_is_server_root(dir)) {
 		res = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, 1);
+						dentry->d_name.len, 1);
 		if (!res)
 			res = ncp_lookup_volume(server, __name, &(finfo.i));
 	} else {
 		res = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, !ncp_preserve_case(dir));
+				 dentry->d_name.len, !ncp_preserve_case(dir));
 		if (!res)
 			res = ncp_obtain_info(server, dir, __name, &(finfo.i));
 	}
@@ -825,9 +830,9 @@
 {
 	struct ncp_server *server = NCP_SERVER(dir);
 	struct ncp_entry_info finfo;
-	int error, result, len = dentry->d_name.len + 1;
+	int error, result, len;
 	int opmode;
-	__u8 __name[len];
+	__u8 __name[NCP_MAXPATHLEN + 1];
 	
 	PPRINTK("ncp_create_new: creating %s/%s, mode=%x\n",
 		dentry->d_parent->d_name.name, dentry->d_name.name, mode);
@@ -836,8 +841,9 @@
 		goto out;
 
 	ncp_age_dentry(server, dentry);
+	len = sizeof(__name);
 	error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, !ncp_preserve_case(dir));
+			   dentry->d_name.len, !ncp_preserve_case(dir));
 	if (error)
 		goto out;
 
@@ -880,8 +886,8 @@
 {
 	struct ncp_entry_info finfo;
 	struct ncp_server *server = NCP_SERVER(dir);
-	int error, len = dentry->d_name.len + 1;
-	__u8 __name[len];
+	int error, len;
+	__u8 __name[NCP_MAXPATHLEN + 1];
 
 	DPRINTK("ncp_mkdir: making %s/%s\n",
 		dentry->d_parent->d_name.name, dentry->d_name.name);
@@ -890,8 +896,9 @@
 		goto out;
 
 	ncp_age_dentry(server, dentry);
+	len = sizeof(__name);
 	error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, !ncp_preserve_case(dir));
+			   dentry->d_name.len, !ncp_preserve_case(dir));
 	if (error)
 		goto out;
 
@@ -909,8 +916,8 @@
 static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
 {
 	struct ncp_server *server = NCP_SERVER(dir);
-	int error, result, len = dentry->d_name.len + 1;
-	__u8 __name[len];
+	int error, result, len;
+	__u8 __name[NCP_MAXPATHLEN + 1];
 
 	DPRINTK("ncp_rmdir: removing %s/%s\n",
 		dentry->d_parent->d_name.name, dentry->d_name.name);
@@ -923,8 +930,9 @@
 	if (!d_unhashed(dentry))
 		goto out;
 
+	len = sizeof(__name);
 	error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
-						len-1, !ncp_preserve_case(dir));
+			   dentry->d_name.len, !ncp_preserve_case(dir));
 	if (error)
 		goto out;
 
@@ -1022,9 +1030,8 @@
 {
 	struct ncp_server *server = NCP_SERVER(old_dir);
 	int error;
-	int old_len = old_dentry->d_name.len + 1;
-	int new_len = new_dentry->d_name.len + 1;
-	__u8 __old_name[old_len], __new_name[new_len];
+	int old_len, new_len;
+	__u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1];
 
 	DPRINTK("ncp_rename: %s/%s to %s/%s\n",
 		old_dentry->d_parent->d_name.name, old_dentry->d_name.name,
@@ -1037,14 +1044,16 @@
 	ncp_age_dentry(server, old_dentry);
 	ncp_age_dentry(server, new_dentry);
 
+	old_len = sizeof(__old_name);
 	error = ncp_io2vol(server, __old_name, &old_len,
-					old_dentry->d_name.name, old_len-1,
+			   old_dentry->d_name.name, old_dentry->d_name.len,
 					!ncp_preserve_case(old_dir));
 	if (error)
 		goto out;
 
+	new_len = sizeof(__new_name);
 	error = ncp_io2vol(server, __new_name, &new_len,
-					new_dentry->d_name.name, new_len-1,
+			   new_dentry->d_name.name, new_dentry->d_name.len,
 					!ncp_preserve_case(new_dir));
 	if (error)
 		goto out;