Thanks to Chao Yu <chao2.yu@xxxxxxxxxxx> for pointing out we were
missing this check.
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
---
fs/ext4/crypto_policy.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ext4/crypto_policy.c b/fs/ext4/crypto_policy.c
index 81980a15..a1d434d 100644
--- a/fs/ext4/crypto_policy.c
+++ b/fs/ext4/crypto_policy.c
@@ -93,6 +93,8 @@ int ext4_process_policy(const struct ext4_encryption_policy *policy,
return -EINVAL;
if (!ext4_inode_has_encryption_context(inode)) {
+ if (!S_ISDIR(inode->i_mode))
+ return -EINVAL;
if (!ext4_empty_dir(inode))
return -ENOTEMPTY;
return ext4_create_encryption_context_from_policy(inode,
--
2.3.0
--
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