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Daniel Rosenberg e16d8494ec fscrypt: don't allow v1 policies with casefolding ... Casefolded encrypted directories will use a new dirhash method that requires a secret key. If the directory uses a v2 encryption policy, it's easy to derive this key from the master key using HKDF. However, v1 encryption policies don't provide a way to derive additional keys. Therefore, don't allow casefolding on directories that use a v1 policy. Specifically, make it so that trying to enable casefolding on a directory that has a v1 policy fails, trying to set a v1 policy on a casefolded directory fails, and trying to open a casefolded directory that has a v1 policy (if one somehow exists on-disk) fails. Signed-off-by: Daniel Rosenberg <drosen@google.com> [EB: improved commit message, updated fscrypt.rst, and other cleanups] Link: https://lore.kernel.org/r/20200120223201.241390-2-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>		5 years ago
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9p	fs/9p: Compare qid.path in v9fs_test_inode	7 years ago
adfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
affs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
afs	afs: Connect up the CB.ProbeUuid	7 years ago
autofs4	autofs: revert "autofs: take more care to not update last_used on path walk"	7 years ago
befs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
bfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
btrfs	mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()	7 years ago
cachefiles	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ceph	mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()	7 years ago
cifs	License cleanup: add SPDX license identifiers to some files	7 years ago
coda	coda: fix 'kernel memory exposure attempt' in fsync	7 years ago
configfs	…
cramfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
crypto	fscrypt: don't allow v1 policies with casefolding	5 years ago
debugfs	…
devpts	…
dlm	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ecryptfs	eCryptfs: use after free in ecryptfs_release_messaging()	7 years ago
efivarfs	…
efs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
exofs	…
exportfs	…
ext2	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ext4	fscrypt: Allow modular crypto algorithms	5 years ago
f2fs	fscrypt: Allow modular crypto algorithms	5 years ago
fat	fs/fat/inode.c: fix sb_rdonly() change	7 years ago
freevxfs	…
fscache	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
fuse	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
gfs2	mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()	7 years ago
hfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
hfsplus	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
hostfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
hpfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
hugetlbfs	fs/hugetlbfs/inode.c: fix hwpoison reserve accounting	7 years ago
isofs	isofs: fix timestamps beyond 2027	7 years ago
jbd2	…
jffs2	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
jfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
kernfs	Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block	7 years ago
lockd	lockd: lost rollback of set_grace_period() in lockd_down_net()	7 years ago
minix	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ncpfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
nfs	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
nfs_common	…
nfsd	nfsd: fix panic in posix_unblock_lock called from nfs4_laundromat	7 years ago
nilfs2	mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()	7 years ago
nls	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
notify	fsnotify: fix pinning group in fsnotify_prepare_user_wait()	7 years ago
ntfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ocfs2	ocfs2: should wait dio before inode lock in ocfs2_setattr()	7 years ago
omfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
openpromfs	…
orangefs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
overlayfs	ovl: Put upperdentry if ovl_check_origin() fails	7 years ago
proc	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
pstore	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
qnx4	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
qnx6	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
quota	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ramfs	…
reiserfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
romfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
squashfs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
sysfs	…
sysv	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
tracefs	…
ubifs	fscrypt: Allow modular crypto algorithms	5 years ago
udf	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
ufs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
unicode	ext4: optimize case-insensitive lookups	5 years ago
verity	fs-verity: support builtin file signatures	5 years ago
xfs	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
Kconfig	fs-verity: add Kconfig and the helper functions for hashing	5 years ago
Kconfig.binfmt	…
Makefile	fs-verity: add Kconfig and the helper functions for hashing	5 years ago
aio.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
anon_inodes.c	…
attr.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
bad_inode.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
binfmt_aout.c	…
binfmt_elf.c	…
binfmt_elf_fdpic.c	…
binfmt_em86.c	…
binfmt_flat.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
binfmt_misc.c	fs/binfmt_misc.c: node could be NULL when evicting inode	7 years ago
binfmt_script.c	exec: load_script: kill the onstack interp[BINPRM_BUF_SIZE] array	7 years ago
block_dev.c	vfs: don't allow writes to swap files	5 years ago
buffer.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
char_dev.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
compat.c	…
compat_binfmt_elf.c	…
compat_ioctl.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
coredump.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
dax.c	dax: fix PMD faults on zero-length files	7 years ago
dcache.c	fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory	6 years ago
dcookies.c	…
direct-io.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
drop_caches.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
eventfd.c	…
eventpoll.c	…
exec.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
fcntl.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
fhandle.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
file.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
file_table.c	…
filesystems.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
fs-writeback.c	…
fs_pin.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
fs_struct.c	…
inode.c	fscrypt: don't allow v1 policies with casefolding	5 years ago
internal.h	…
ioctl.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
iomap.c	fs: invalidate page cache after end_io() in dio completion	7 years ago
libfs.c	…
locks.c	fs/lock: skip lock owner pid translation in case we are in init_pid_ns	5 years ago
mbcache.c	…
mount.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
mpage.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
namei.c	vfs: use READ_ONCE() to access ->i_link	6 years ago
namespace.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
no-block.c	…
nsfs.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
open.c	…
pipe.c	pipe: match pipe_max_size data type with procfs	7 years ago
pnode.c	…
pnode.h	…
posix_acl.c	posix_acl: convert posix_acl.a_refcount from atomic_t to refcount_t	7 years ago
proc_namespace.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
read_write.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
readdir.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
select.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
seq_file.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
signalfd.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
splice.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
stack.c	…
stat.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
statfs.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
super.c	fscrypt: add FS_IOC_ADD_ENCRYPTION_KEY ioctl	5 years ago
sync.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
timerfd.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
userfaultfd.c	Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"	7 years ago
utimes.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	7 years ago
xattr.c	lsm: fix smack_inode_removexattr and xattr_getsecurity memleak	7 years ago