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Merge to Fedora kernel-2.6.17-1.2187_FC5 patched with stable patch-2.6.17.13-vs2...
[linux-2.6.git]
/
fs
/
ext3
/
namei.c
diff --git
a/fs/ext3/namei.c
b/fs/ext3/namei.c
index
329eae3
..
045f588
100644
(file)
--- a/
fs/ext3/namei.c
+++ b/
fs/ext3/namei.c
@@
-1001,7
+1001,12
@@
static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
if (bh) {
unsigned long ino = le32_to_cpu(de->inode);
brelse (bh);
if (bh) {
unsigned long ino = le32_to_cpu(de->inode);
brelse (bh);
- inode = iget(dir->i_sb, ino);
+ if (!ext3_valid_inum(dir->i_sb, ino)) {
+ ext3_error(dir->i_sb, "ext3_lookup",
+ "bad inode number: %lu", ino);
+ inode = NULL;
+ } else
+ inode = iget(dir->i_sb, ino);
if (!inode)
return ERR_PTR(-EACCES);
if (!inode)
return ERR_PTR(-EACCES);
@@
-1030,7
+1035,13
@@
struct dentry *ext3_get_parent(struct dentry *child)
return ERR_PTR(-ENOENT);
ino = le32_to_cpu(de->inode);
brelse(bh);
return ERR_PTR(-ENOENT);
ino = le32_to_cpu(de->inode);
brelse(bh);
- inode = iget(child->d_inode->i_sb, ino);
+
+ if (!ext3_valid_inum(child->d_inode->i_sb, ino)) {
+ ext3_error(child->d_inode->i_sb, "ext3_get_parent",
+ "bad inode number: %lu", ino);
+ inode = NULL;
+ } else
+ inode = iget(child->d_inode->i_sb, ino);
if (!inode)
return ERR_PTR(-EACCES);
if (!inode)
return ERR_PTR(-EACCES);