summaryrefslogtreecommitdiffstats
path: root/fs/ext4/inode.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2020-02-21 13:39:34 -0800
committerDavid S. Miller <davem@davemloft.net>2020-02-21 13:39:34 -0800
commite65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06 (patch)
tree04b1728c397ad4604a6163529f51dfd48dfdbc07 /fs/ext4/inode.c
parentb4d9785ce5c035b672f25df56706d0ff4e68b74e (diff)
parent0c0ddd6ae47c9238c18f475bcca675ca74c9dc31 (diff)
downloadlinux-e65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflict resolution of ice_virtchnl_pf.c based upon work by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 1305b810c44a..e60aca791d3f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4644,6 +4644,18 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
ret = -EFSCORRUPTED;
goto bad_inode;
}
+ /*
+ * If dir_index is not enabled but there's dir with INDEX flag set,
+ * we'd normally treat htree data as empty space. But with metadata
+ * checksumming that corrupts checksums so forbid that.
+ */
+ if (!ext4_has_feature_dir_index(sb) && ext4_has_metadata_csum(sb) &&
+ ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) {
+ ext4_error_inode(inode, function, line, 0,
+ "iget: Dir with htree data on filesystem without dir_index feature.");
+ ret = -EFSCORRUPTED;
+ goto bad_inode;
+ }
ei->i_disksize = inode->i_size;
#ifdef CONFIG_QUOTA
ei->i_reserved_quota = 0;