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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-08 21:40:34 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-08 21:40:34 +0300 |
| commit | 677375cef8cb7763ef620e007873117b9bad72a0 (patch) | |
| tree | 9bddb2ce01662aee47f9232a1c92b4416105b813 /fs/ubifs | |
| parent | dd727dad37297f497dc69ac00182abf9651e7b6c (diff) | |
| parent | 6f9d696f016f5b42f6c6e8c9f723f8d3380e5903 (diff) | |
| download | linux-677375cef8cb7763ef620e007873117b9bad72a0.tar.xz | |
Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt
Pull fscrypt updates from Ted Ts'o:
"Only bug fixes and cleanups for this merge window"
* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
fscrypt: correct collision claim for digested names
MAINTAINERS: fscrypt: update mailing list, patchwork, and git
ext4: clean up ext4_match() and callers
f2fs: switch to using fscrypt_match_name()
ext4: switch to using fscrypt_match_name()
fscrypt: introduce helper function for filename matching
fscrypt: avoid collisions when presenting long encrypted filenames
f2fs: check entire encrypted bigname when finding a dentry
ubifs: check for consistent encryption contexts in ubifs_lookup()
f2fs: sync f2fs_lookup() with ext4_lookup()
ext4: remove "nokey" check from ext4_lookup()
fscrypt: fix context consistency check when key(s) unavailable
fscrypt: Remove __packed from fscrypt_policy
fscrypt: Move key structure and constants to uapi
fscrypt: remove fscrypt_symlink_data_len()
fscrypt: remove unnecessary checks for NULL operations
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/dir.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index b777bddaa1dd..8049851cac42 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -285,6 +285,15 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry, goto out_dent; } + if (ubifs_crypt_is_encrypted(dir) && + (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) && + !fscrypt_has_permitted_context(dir, inode)) { + ubifs_warn(c, "Inconsistent encryption contexts: %lu/%lu", + dir->i_ino, inode->i_ino); + err = -EPERM; + goto out_inode; + } + done: kfree(dent); fscrypt_free_filename(&nm); @@ -295,6 +304,8 @@ done: d_add(dentry, inode); return NULL; +out_inode: + iput(inode); out_dent: kfree(dent); out_fname: |