mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
ext3: ensure fast symlinks are NUL-terminated
Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Stephen Tweedie <sct@redhat.com> Cc: linux-ext4@vger.kernel.org Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
8d6d0c4da2
commit
b5ed3112b5
1 changed files with 5 additions and 2 deletions
|
@ -37,6 +37,7 @@
|
|||
#include <linux/uio.h>
|
||||
#include <linux/bio.h>
|
||||
#include <linux/fiemap.h>
|
||||
#include <linux/namei.h>
|
||||
#include "xattr.h"
|
||||
#include "acl.h"
|
||||
|
||||
|
@ -2817,9 +2818,11 @@ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
|
|||
inode->i_op = &ext3_dir_inode_operations;
|
||||
inode->i_fop = &ext3_dir_operations;
|
||||
} else if (S_ISLNK(inode->i_mode)) {
|
||||
if (ext3_inode_is_fast_symlink(inode))
|
||||
if (ext3_inode_is_fast_symlink(inode)) {
|
||||
inode->i_op = &ext3_fast_symlink_inode_operations;
|
||||
else {
|
||||
nd_terminate_link(ei->i_data, inode->i_size,
|
||||
sizeof(ei->i_data) - 1);
|
||||
} else {
|
||||
inode->i_op = &ext3_symlink_inode_operations;
|
||||
ext3_set_aops(inode);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue