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linux-stable/fs/ext4
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Eric Biggers 6482d42baf ext4: disable fast-commit of encrypted dir operations 
From: Eric Biggers <ebiggers@google.com>

commit 0fbcb5251f upstream.

fast-commit of create, link, and unlink operations in encrypted
directories is completely broken because the unencrypted filenames are
being written to the fast-commit journal instead of the encrypted
filenames.  These operations can't be replayed, as encryption keys
aren't present at journal replay time.  It is also an information leak.

Until if/when we can get this working properly, make encrypted directory
operations ineligible for fast-commit.

Note that fast-commit operations on encrypted regular files continue to
be allowed, as they seem to work.

Fixes: aa75f4d3da ("ext4: main fast-commit commit path")
Cc: <stable@vger.kernel.org> # v5.10+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20221106224841.279231-2-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2023-01-12 11:59:04 +01:00
..
.kunitconfig ext4: add .kunitconfig fragment to enable ext4-specific tests 2021-02-11 23:16:30 -05:00
Kconfig ext: EXT4_KUNIT_TESTS should depend on EXT4_FS instead of selecting it 2021-02-11 23:12:59 -05:00
Makefile ext4: Move orphan inode handling into a separate file 2021-08-30 23:36:51 -04:00
acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
acl.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
balloc.c ext4: use ext4_debug() instead of jbd_debug() 2023-01-12 11:59:04 +01:00
bitmap.c
…
block_validity.c ext4: standardize error message in ext4_protect_reserved_inode() 2020-12-17 13:30:55 -05:00
dir.c ext4: fix potential infinite loop in ext4_dx_readdir() 2021-10-01 00:05:09 -04:00
ext4.h ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode 2023-01-12 11:59:01 +01:00
ext4_extents.h ext4: fix sparse warnings 2021-08-30 23:36:50 -04:00
ext4_jbd2.c ext4: use ext4_debug() instead of jbd_debug() 2023-01-12 11:59:04 +01:00
ext4_jbd2.h ext4: Support for checksumming from journal triggers 2021-08-30 23:36:50 -04:00
extents.c ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline 2023-01-12 11:59:02 +01:00
extents_status.c ext4: fix reserved cluster accounting in __es_remove_extent() 2023-01-12 11:59:01 +01:00
extents_status.h
…
fast_commit.c ext4: disable fast-commit of encrypted dir operations 2023-01-12 11:59:04 +01:00
fast_commit.h ext4: disable fast-commit of encrypted dir operations 2023-01-12 11:59:04 +01:00
file.c ext4: avoid crash when inline data creation follows DIO write 2022-10-26 12:34:28 +02:00
fsmap.c treewide: Change list_sort to use const pointers 2021-04-08 16:04:22 -07:00
fsmap.h ext4: fsmap: fix the block/inode bitmap comment 2021-06-24 09:48:29 -04:00
fsync.c block: use an on-stack bio in blkdev_issue_flush 2021-01-27 09:51:48 -07:00
hash.c ext4: handle casefolding with encryption 2021-04-05 22:04:20 -04:00
ialloc.c ext4: make directory inode spreading reflect flexbg size 2022-09-28 11:11:57 +02:00
indirect.c ext4: use ext4_debug() instead of jbd_debug() 2023-01-12 11:59:04 +01:00
inline.c ext4: correct max_inline_xattr_value_size computing 2022-08-17 14:24:27 +02:00
inode-test.c fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature 2020-12-02 16:07:25 -07:00
inode.c ext4: use ext4_debug() instead of jbd_debug() 2023-01-12 11:59:04 +01:00
ioctl.c ext4: initialize quota before expanding inode in setproject ioctl 2023-01-12 11:59:03 +01:00
mballoc.c ext4: use locality group preallocation for small closed files 2022-09-28 11:11:58 +02:00
mballoc.h ext4: fix various seppling typos 2021-04-09 23:14:59 -04:00
migrate.c ext4: fix warning in 'ext4_da_release_space' 2022-11-10 18:15:40 +01:00
mmp.c ext4: fix potential uninitialized access to retval in kmmpd 2021-07-23 07:31:29 -04:00
move_extent.c
…
namei.c ext4: init quota for 'old.inode' in 'ext4_rename' 2023-01-12 11:59:02 +01:00
orphan.c ext4: use ext4_debug() instead of jbd_debug() 2023-01-12 11:59:04 +01:00
page-io.c ext4: fix symlink file size not match to file content 2022-04-27 14:39:01 +02:00
readpage.c block: Add bio_max_segs 2021-02-26 15:49:51 -07:00
resize.c ext4: fix corruption when online resizing a 1K bigalloc fs 2023-01-12 11:59:02 +01:00
super.c ext4: use ext4_debug() instead of jbd_debug() 2023-01-12 11:59:04 +01:00
symlink.c ext4: report correct st_size for encrypted symlinks 2021-07-25 20:01:06 -07:00
sysfs.c ext4: notify sysfs on errors_count value change 2021-06-29 21:06:02 -04:00
truncate.h ext4: Convert to use mapping->invalidate_lock 2021-07-13 14:29:00 +02:00
verity.c fs: ext4: initialize fsdata in pagecache_write() 2023-01-12 11:59:00 +01:00
xattr.c ext4: allocate extended attribute value in vmalloc area 2023-01-12 11:59:03 +01:00
xattr.h ext4: remove EA inode entry from mbcache on inode eviction 2022-08-17 14:24:27 +02:00
xattr_hurd.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_security.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_trusted.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_user.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00