Squashfs: Fix sanity check patches on big-endian systems
le64 values should be swapped when accessing on
big-endian systems.
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
diff --git a/fs/squashfs/export.c b/fs/squashfs/export.c
index 730c562..5e1101f 100644
--- a/fs/squashfs/export.c
+++ b/fs/squashfs/export.c
@@ -147,7 +147,7 @@
* table[0] points to the first inode lookup table metadata block,
* this should be less than lookup_table_start
*/
- if (!IS_ERR(table) && table[0] >= lookup_table_start) {
+ if (!IS_ERR(table) && le64_to_cpu(table[0]) >= lookup_table_start) {
kfree(table);
return ERR_PTR(-EINVAL);
}
diff --git a/fs/squashfs/fragment.c b/fs/squashfs/fragment.c
index 1516a649..0ed6edb 100644
--- a/fs/squashfs/fragment.c
+++ b/fs/squashfs/fragment.c
@@ -90,7 +90,7 @@
* table[0] points to the first fragment table metadata block, this
* should be less than fragment_table_start
*/
- if (!IS_ERR(table) && table[0] >= fragment_table_start) {
+ if (!IS_ERR(table) && le64_to_cpu(table[0]) >= fragment_table_start) {
kfree(table);
return ERR_PTR(-EINVAL);
}
diff --git a/fs/squashfs/id.c b/fs/squashfs/id.c
index a70858e..d38ea3d 100644
--- a/fs/squashfs/id.c
+++ b/fs/squashfs/id.c
@@ -93,7 +93,7 @@
* table[0] points to the first id lookup table metadata block, this
* should be less than id_table_start
*/
- if (!IS_ERR(table) && table[0] >= id_table_start) {
+ if (!IS_ERR(table) && le64_to_cpu(table[0]) >= id_table_start) {
kfree(table);
return ERR_PTR(-EINVAL);
}
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 6f26abe..7438850 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -245,7 +245,7 @@
msblk->id_table = NULL;
goto failed_mount;
}
- next_table = msblk->id_table[0];
+ next_table = le64_to_cpu(msblk->id_table[0]);
/* Handle inode lookup table */
lookup_table_start = le64_to_cpu(sblk->lookup_table_start);
@@ -261,7 +261,7 @@
msblk->inode_lookup_table = NULL;
goto failed_mount;
}
- next_table = msblk->inode_lookup_table[0];
+ next_table = le64_to_cpu(msblk->inode_lookup_table[0]);
sb->s_export_op = &squashfs_export_ops;
@@ -286,7 +286,7 @@
msblk->fragment_index = NULL;
goto failed_mount;
}
- next_table = msblk->fragment_index[0];
+ next_table = le64_to_cpu(msblk->fragment_index[0]);
check_directory_table:
/* Sanity check directory_table */