This was done as part of commits
5d64600d4f33 "f2fs: avoid bug_on on
corrupted inode" and
76d56d4ab4f2 "f2fs: fix to do sanity check with
extra_attr feature" upstream, but the specific checks they added are
not applicable to 4.4.
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
return;
}
+static bool sanity_check_inode(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ return true;
+}
+
static int do_read_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
get_inline_info(fi, ri);
+ if (!sanity_check_inode(inode)) {
+ f2fs_put_page(node_page, 1);
+ return -EINVAL;
+ }
+
/* check data exist */
if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
__recover_inline_status(inode, node_page);