On Wed, Mar 20, 2019 at 11:39:10AM -0700, Eric Biggers wrote: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > Close some race conditions where fscrypt allowed rename() and link() on > ciphertext dentries that had been looked up just prior to the key being > concurrently added. It's better to return -ENOKEY in this case. > > This avoids doing the nonsensical thing of encrypting the names a second > time when searching for the actual on-disk dir entries. It also > guarantees that DCACHE_ENCRYPTED_NAME dentries are never rename()d, so > the dcache won't have support all possible combinations of moving > DCACHE_ENCRYPTED_NAME around during __d_move(). > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> Looks good, applied. - Ted
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