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Two fscrypt bug fixes, one of which was unmasked by an update to the

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crypto tree during the merge window.
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Merge tag 'fscrypt-for-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt

Pull fscrypt fixes from Ted Ts'o:
 "Two fscrypt bug fixes, one of which was unmasked by an update to the
  crypto tree during the merge window"

* tag 'fscrypt-for-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
  fscrypt: fix renaming and linking special files
  fscrypt: fix the test_dummy_encryption mount option
This commit is contained in:
Linus Torvalds 2017-01-02 18:32:59 -08:00
commit c8b4ec8351
2 changed files with 7 additions and 1 deletions
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3
fs/crypto/keyinfo.c
View File

@ -248,7 +248,8 @@ retry:
goto out;
if (fscrypt_dummy_context_enabled(inode)) {
memset(raw_key, 0x42, FS_AES_256_XTS_KEY_SIZE);
memset(raw_key, 0x42, keysize/2);
memset(raw_key+keysize/2, 0x24, keysize - (keysize/2));
goto got_key;
}

5
fs/crypto/policy.c
View File

@ -179,6 +179,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
BUG_ON(1);
}
/* No restrictions on file types which are never encrypted */
if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) &&
!S_ISLNK(child->i_mode))
return 1;
/* no restrictions if the parent directory is not encrypted */
if (!parent->i_sb->s_cop->is_encrypted(parent))
return 1;