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Eric Biggers 23b53e4b2a UPSTREAM: fscrypt: restrict IV_INO_LBLK_* to AES-256-XTS 
IV_INO_LBLK_* exist only because of hardware limitations, and currently
the only known use case for them involves AES-256-XTS.  Therefore, for
now only allow them in combination with AES-256-XTS.  This way we don't
have to worry about them being combined with other encryption modes.

(To be clear, combining IV_INO_LBLK_* with other encryption modes
*should* work just fine.  It's just not being tested, so we can't be
100% sure it works.  So with no known use case, it's best to disallow it
for now, just like we don't allow other weird combinations like
AES-256-XTS contents encryption with Adiantum filenames encryption.)

This can be relaxed later if a use case for other combinations arises.

Fixes: b103fb7653ff ("fscrypt: add support for IV_INO_LBLK_64 policies")
Fixes: e3b1078bedd3 ("fscrypt: add support for IV_INO_LBLK_32 policies")
Link: https://lore.kernel.org/r/20200721181012.39308-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
(cherry picked from commit f000223c981a7c75f6f3ab7288f0be7b571c3644)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9b28a1d2394a8a70d020be3a4f8661ac5987a78d
2020-11-14 16:29:45 +01:00
..
9p This is the 5.4.59 stable release 2020-08-19 08:40:57 +02:00
adfs Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 11:33:22 -07:00
affs affs: fix a memory leak in affs_remount 2020-01-17 19:48:50 +01:00
afs This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
autofs autofs: fix a leak in autofs_expire_indirect() 2019-10-25 00:03:11 -04:00
befs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
bfs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
btrfs This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
cachefiles cachefiles: Fix race between read_waiter and read_copier involving op->to_do 2020-06-03 08:21:11 +02:00
ceph This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
cifs Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
coda y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
configfs configfs: fix config_item refcnt leak in configfs_rmdir() 2020-05-27 17:46:30 +02:00
cramfs cramfs: fix usage on non-MTD device 2019-11-23 21:44:49 -05:00
crypto UPSTREAM: fscrypt: restrict IV_INO_LBLK_* to AES-256-XTS 2020-11-14 16:29:45 +01:00
debugfs debugfs: Check module state before warning in {full/open}_proxy_open() 2020-04-17 10:50:02 +02:00
devpts devpts_pty_kill(): don't bother with d_delete() 2019-09-03 09:30:56 -04:00
dlm dlm: Fix kobject memleak 2020-08-19 08:16:21 +02:00
ecryptfs This is the 5.4.23 stable release 2020-03-01 10:17:44 +01:00
efivarfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
efs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
erofs This is the 5.4.59 stable release 2020-08-19 08:40:57 +02:00
exportfs exportfs_decode_fh(): negative pinned may become positive without the parent locked 2019-11-10 11:56:05 -05:00
ext2 Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
ext4 ANDROID: fscrypt: prevent fscrypt_operations from affecting KMI 2020-10-30 10:02:25 +01:00
f2fs ANDROID: fscrypt: prevent fscrypt_operations from affecting KMI 2020-10-30 10:02:25 +01:00
fat fat: don't allow to mount if the FAT length == 0 2020-06-17 16:40:36 +02:00
freevxfs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
fscache Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
fuse ANDROID: fuse: Add support for d_canonical_path 2020-10-30 10:02:26 +01:00
gfs2 This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
hfs FROMLIST: Add flags option to get xattr method paired to __vfs_getxattr 2019-11-05 13:50:57 -08:00
hfsplus This is the 5.4.33 stable release 2020-04-17 11:26:58 +02:00
hostfs This pull request contains the following changes for UML: 2019-05-12 17:52:13 -04:00
hpfs fs: hpfs: Initialize filesystem timestamp ranges 2019-08-30 08:11:25 -07:00
hugetlbfs mm/hugetlbfs: fix for_each_hstate() loop in init_hugetlbfs_fs() 2020-01-04 19:19:19 +01:00
incfs ANDROID: Incremental fs: fix magic compatibility again 2020-08-26 14:05:41 +00:00
iomap ANDROID: ext4, f2fs: enable direct I/O with inline encryption 2020-01-24 10:52:54 -08:00
isofs y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
jbd2 jbd2: add the missing unlock_buffer() in the error path of jbd2_write_superblock() 2020-08-26 10:40:52 +02:00
jffs2 This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
jfs FROMLIST: Add flags option to get xattr method paired to __vfs_getxattr 2019-11-05 13:50:57 -08:00
kernfs This is the 5.4.59 stable release 2020-08-19 08:40:57 +02:00
lockd lockd: Make two symbols static 2019-07-03 17:52:09 -04:00
minix Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
nfs Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
nfs_common treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
nfsd nfsd: Fix NFSv4 READ on RDMA when using readv 2020-08-11 15:33:42 +02:00
nilfs2 nilfs2: fix null pointer dereference at nilfs_segctor_do_construct() 2020-06-17 16:40:29 +02:00
nls treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
notify ANDROID: vfs: add d_canonical_path for stacked filesystem support 2020-10-30 10:02:25 +01:00
ntfs utimes: Clamp the timestamps in notify_change() 2020-02-11 04:35:12 -08:00
ocfs2 Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
omfs fs: omfs: Initialize filesystem timestamp ranges 2019-08-30 08:11:25 -07:00
openpromfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
orangefs Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
overlayfs This is the 5.4.53 stable release 2020-07-23 12:36:54 +02:00
proc FROMGIT: mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary 2020-09-15 09:34:00 -07:00
pstore pstore: Fix linking when crypto API disabled 2020-08-19 08:16:27 +02:00
qnx4 fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
qnx6 fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
quota fs: avoid softlockups in s_inodes iterators 2020-01-12 12:21:37 +01:00
ramfs vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs to use the new mount API 2019-09-12 21:05:34 -04:00
reiserfs This is the 5.4.22 stable release 2020-02-24 09:16:10 +01:00
romfs romfs: fix uninitialized memory leak in romfs_dev_read() 2020-08-26 10:40:51 +02:00
squashfs FROMLIST: Add flags option to get xattr method paired to __vfs_getxattr 2019-11-05 13:50:57 -08:00
sysfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
sysv fs: sysv: Initialize filesystem timestamp ranges 2019-08-30 07:27:18 -07:00
tracefs tracing: Do not create tracefs files if tracefs lockdown is in effect 2019-10-12 20:49:07 -04:00
ubifs ANDROID: fscrypt: prevent fscrypt_operations from affecting KMI 2020-10-30 10:02:25 +01:00
udf udf: Fix free space reporting for metadata and virtual partitions 2020-02-24 08:36:44 +01:00
ufs Revert "ANDROID: Revert: Merge 5.4.60 into android11-5.4" 2020-08-23 13:12:51 +02:00
unicode FROMLIST: unicode: Add utf8_casefold_hash 2020-02-20 21:21:02 +00:00
verity fs-verity: remove unnecessary extern keywords 2020-06-16 14:06:46 -07:00
xfs This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
aio.c aio: fix async fsync creds 2020-06-17 16:40:24 +02:00
anon_inodes.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
attr.c Revert "ANDROID: vfs: Add setattr2 for filesystems with per mount permissions" 2020-05-29 14:48:38 +02:00
bad_inode.c
binfmt_aout.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
binfmt_elf_fdpic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
binfmt_elf.c fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() 2020-06-03 08:21:27 +02:00
binfmt_em86.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
binfmt_flat.c fs/binfmt_flat.c: remove set but not used variable 'inode' 2019-07-16 19:23:22 -07:00
binfmt_misc.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
binfmt_script.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
block_dev.c block: Fix use-after-free in blkdev_get() 2020-06-24 17:50:47 +02:00
buffer.c This is the 5.4.35 stable release 2020-04-23 11:15:10 +02:00
char_dev.c chardev: Avoid potential use-after-free in 'chrdev_open()' 2020-01-14 20:08:18 +01:00
compat_binfmt_elf.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193 2019-05-30 11:29:21 -07:00
compat_ioctl.c fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP 2020-01-09 10:20:05 +01:00
compat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
coredump.c Revert "ANDROID: vfs: Add setattr2 for filesystems with per mount permissions" 2020-05-29 14:48:38 +02:00
d_path.c [PATCH] fix d_absolute_path() interplay with fsmount() 2019-08-30 19:31:09 -04:00
dax.c dax: pass NOWAIT flag to iomap_apply 2020-03-05 16:43:36 +01:00
dcache.c Merge branch 'work.dcache2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-20 09:15:51 -07:00
dcookies.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
direct-io.c ANDROID: fscrypt: handle direct I/O with IV_INO_LBLK_32 2020-05-21 11:52:18 -07:00
drop_caches.c fs: avoid softlockups in s_inodes iterators 2020-01-12 12:21:37 +01:00
eventfd.c eventfd: track eventfd_signal() recursion depth 2020-02-11 04:35:37 -08:00
eventpoll.c This is the 5.4.61 stable release 2020-08-26 11:11:38 +02:00
exec.c Revert "ANDROID: vfs: Add permission2 for filesystems with per mount permissions" 2020-05-29 14:48:37 +02:00
fcntl.c
fhandle.c fs/handle.c - fix up kerneldoc 2019-08-07 21:51:47 -04:00
file_table.c vfs: Export flush_delayed_fput for use by knfsd. 2019-08-19 11:00:39 -04:00
file.c fix multiplication overflow in copy_fdtable() 2020-05-27 17:46:12 +02:00
filesystems.c fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once() 2020-04-17 10:50:21 +02:00
fs_context.c vfs: subtype handling moved to fuse 2019-09-06 21:28:49 +02:00
fs_parser.c vfs: Make fs_parse() handle fs_param_is_fd-type params better 2019-09-12 21:06:14 -04:00
fs_pin.c switch the remnants of releasing the mountpoint away from fs_pin 2019-07-16 22:52:37 -04:00
fs_struct.c Revert "ANDROID: sdcardfs: Enable modular sdcardfs" 2020-05-29 15:08:00 +02:00
fs_types.c
fs-writeback.c Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-5.4.y' into android-5.4-stable 2020-06-24 11:13:19 -07:00
fsopen.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
inode.c Revert "ANDROID: vfs: Add setattr2 for filesystems with per mount permissions" 2020-05-29 14:48:38 +02:00
internal.h Revert "ANDROID: fs: Restore vfs_path_lookup() export" 2020-05-29 14:48:37 +02:00
io_uring.c io_uring: Fix NULL pointer dereference in loop_rw_iter() 2020-08-19 08:16:29 +02:00
ioctl.c compat_ioctl: add compat_ptr_ioctl() 2019-12-17 19:55:30 +01:00
Kconfig ANDROID: sdcardfs: remove sdcardfs from system 2020-05-29 14:48:37 +02:00
Kconfig.binfmt binfmt_flat: make support for old format binaries optional 2019-06-24 09:16:47 +10:00
libfs.c Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-5.4.y' into android-5.4-stable 2020-06-15 13:22:44 -07:00
locks.c locks: reinstate locks_delete_block optimization 2020-03-25 08:25:41 +01:00
Makefile ANDROID: GKI: set vfs-only exports into their own namespace 2020-07-07 18:07:10 +02:00
mbcache.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
mount.h switch the remnants of releasing the mountpoint away from fs_pin 2019-07-16 22:52:37 -04:00
mpage.c This is the 5.4.13 stable release 2020-01-17 23:38:39 +01:00
namei.c ANDROID: GKI: set vfs-only exports into their own namespace 2020-07-07 18:07:10 +02:00
namespace.c Linux 5.4-rc8 2019-11-18 08:31:11 +01:00
no-block.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
nsfs.c vfs: Convert nsfs to use the new mount API 2019-05-25 18:00:06 -04:00
open.c ANDROID: GKI: set vfs-only exports into their own namespace 2020-07-07 18:07:10 +02:00
pipe.c vfs: Convert pipe to use the new mount API 2019-05-25 18:00:07 -04:00
pnode.c This is the 5.4.37 stable release 2020-05-02 09:01:51 +02:00
pnode.h ANDROID: mnt: Add filesystem private data to mount points 2019-07-19 12:39:18 -07:00
posix_acl.c FROMLIST: Add flags option to get xattr method paired to __vfs_getxattr 2019-11-05 13:50:57 -08:00
proc_namespace.c Merge 5.4-rc1-prelrease into android-mainline 2019-10-02 17:58:47 +02:00
read_write.c ANDROID: GKI: set vfs-only exports into their own namespace 2020-07-07 18:07:10 +02:00
readdir.c readdir: be more conservative with directory entry names 2020-01-29 16:45:31 +01:00
select.c fs/select.c: use struct_size() in kmalloc() 2019-07-16 19:23:25 -07:00
seq_file.c seq_file: fix problem when seeking mid-record 2019-08-13 16:06:52 -07:00
signalfd.c fs/signalfd.c: fix inconsistent return codes for signalfd4 2020-08-26 10:40:58 +02:00
splice.c splice: only read in as much information as there is pipe buffer space 2019-12-17 19:56:52 +01:00
stack.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
stat.c ANDROID: GKI: set vfs-only exports into their own namespace 2020-07-07 18:07:10 +02:00
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-03 14:21:35 -07:00
super.c Fix use after free in get_tree_bdev() 2020-05-06 08:15:15 +02:00
sync.c Linux 5.2-rc1 2019-05-20 20:17:24 +02:00
timerfd.c timerfd: Prepare for PREEMPT_RT 2019-08-01 20:51:23 +02:00
userfaultfd.c This is the 5.4.8 stable release 2020-01-04 19:40:03 +01:00
utimes.c Revert "ANDROID: vfs: Add setattr2 for filesystems with per mount permissions" 2020-05-29 14:48:38 +02:00
xattr.c This is the 5.4.58 stable release 2020-08-11 18:37:58 +02:00