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Eric Biggers 4bcf6f827a fscrypt: check for NULL keyring in fscrypt_put_master_key_activeref() 
It is a bug for fscrypt_put_master_key_activeref() to see a NULL
keyring.  But it used to be possible due to the bug, now fixed, where
fscrypt_destroy_keyring() was called before security_sb_delete().  To be
consistent with how fscrypt_destroy_keyring() uses WARN_ON for the same
issue, WARN and leak the fscrypt_master_key if the keyring is NULL
instead of dereferencing the NULL pointer.

This is a robustness improvement, not a fix.

Link: https://lore.kernel.org/r/20230313221231.272498-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
2023-03-18 21:08:03 -07:00
..
9p
9p patches for 6.3 merge window (part 1)
2023-03-01 08:52:49 -08:00
adfs
fs: port ->setattr() to pass mnt_idmap
2023-01-19 09:24:02 +01:00
affs
for-6.3/dio-2023-02-16
2023-02-20 14:10:36 -08:00
afs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
autofs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
befs
…
bfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
btrfs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
cachefiles
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
ceph
Two small fixes from Xiubo and myself, marked for stable.
2023-03-02 10:48:30 -08:00
cifs
cifs: Fix memory leak in direct I/O
2023-03-01 18:18:25 -06:00
coda
hardening updates for v6.3-rc1
2023-02-21 11:07:23 -08:00
configfs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-02 21:54:23 -08:00
crypto
fscrypt: check for NULL keyring in fscrypt_put_master_key_activeref()
2023-03-18 21:08:03 -07:00
debugfs
ARM: SoC drivers for 6.3
2023-02-27 10:04:49 -08:00
devpts
…
dlm
Driver core changes for 6.3-rc1
2023-02-24 12:58:55 -08:00
ecryptfs
This update includes the following changes:
2023-02-21 18:10:50 -08:00
efivarfs
A healthy mix of EFI contributions this time:
2023-02-23 14:41:48 -08:00
efs
…
erofs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
exfat
Description for this pull request:
2023-03-01 08:42:27 -08:00
exportfs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
ext2
for-6.3/dio-2023-02-16
2023-02-20 14:10:36 -08:00
ext4
Improve performance for ext4 by allowing multiple process to perform
2023-02-28 09:05:47 -08:00
f2fs
f2fs-for-6.3-rc1
2023-02-27 16:18:51 -08:00
fat
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
freevxfs
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-01-30 12:51:54 +00:00
fuse
fuse update for 6.3
2023-02-27 09:53:58 -08:00
gfs2
Driver core changes for 6.3-rc1
2023-02-24 12:58:55 -08:00
hfs
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
hfsplus
fs: hfsplus: fix UAF issue in hfsplus_put_super
2023-03-02 21:54:23 -08:00
hostfs
This pull request contains the following changes for UML:
2023-03-01 09:13:00 -08:00
hpfs
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
hugetlbfs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
iomap
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
isofs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
jbd2
Improve performance for ext4 by allowing multiple process to perform
2023-02-28 09:05:47 -08:00
jffs2
This pull request contains updates for JFFS2, UBI and UBIFS
2023-03-01 09:06:51 -08:00
jfs
Just one simple sanity check
2023-03-01 08:47:19 -08:00
kernfs
Driver core changes for 6.3-rc1
2023-02-24 12:58:55 -08:00
ksmbd
46 fs/cifs (smb3 client) changesets, 37 in fs/cifs and 9 for related helper functions and cleanup outside from Dave Howells and Willy
2023-02-22 17:12:44 -08:00
lockd
sysctl-6.3-rc1
2023-02-23 14:16:56 -08:00
minix
Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:01:15 -08:00
netfs
iov: Fix netfs_extract_user_to_sg()
2023-03-01 18:18:25 -06:00
nfs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
nfs_common
filelock: move file locking definitions to separate header file
2023-01-11 06:52:32 -05:00
nfsd
NFSD 6.3 Release Notes
2023-02-22 14:21:40 -08:00
nilfs2
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
nls
…
notify
RCU pull request for v6.3
2023-02-21 10:45:51 -08:00
ntfs
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
ntfs3
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
ocfs2
ocfs2: fix non-auto defrag path not working issue
2023-02-27 17:00:15 -08:00
omfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
openpromfs
…
orangefs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
overlayfs
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
proc
capability: just use a 'u64' instead of a 'u32[2]' array
2023-03-01 10:01:22 -08:00
pstore
pstore updates for v6.2-rc1-fixes
2022-12-23 11:55:54 -08:00
qnx4
…
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
RCU pull request for v6.3
2023-02-21 10:45:51 -08:00
ramfs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
reiserfs
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
romfs
mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_mapping()
2023-01-18 17:12:56 -08:00
smbfs_common
smb3: Replace smb2pdu 1-element arrays with flex-arrays
2023-02-20 17:25:43 -06:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-03 17:52:25 -08:00
sysfs
…
sysv
Merge branch 'work.sysv' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:03:26 -08:00
tracefs
fs: port ->mkdir() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
ubifs
This pull request contains updates for JFFS2, UBI and UBIFS
2023-03-01 09:06:51 -08:00
udf
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
ufs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
unicode
…
vboxsf
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
verity
fsverity: support verifying data from large folios
2023-01-27 14:46:31 -08:00
xfs
New code for 6.3-rc1, part 2:
2023-02-28 16:08:30 -08:00
zonefs
zonefs changes for 6.3-rc1
2023-02-22 14:11:54 -08:00
aio.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2023-02-10 15:34:48 -08:00
anon_inodes.c
…
attr.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
bad_inode.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
binfmt_elf_fdpic.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-05 15:12:12 +00:00
binfmt_elf_test.c
…
binfmt_elf.c
Linux 6.2-rc6
2023-01-31 15:01:20 +01:00
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-02 13:57:04 -08:00
binfmt_script.c
…
buffer.c
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
…
coredump.c
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
d_path.c
…
dax.c
fsdax: dax_unshare_iter() should return a valid length
2023-02-03 17:52:24 -08:00
dcache.c
tmpfile API change
2022-10-10 19:45:17 -07:00
direct-io.c
fs: move sb_init_dio_done_wq out of direct-io.c
2023-01-26 10:30:56 -07:00
drop_caches.c
…
eventfd.c
eventfd: provide a eventfd_signal_mask() helper
2022-11-22 06:07:55 -07:00
eventpoll.c
eventpoll: add EPOLL_URING_WAKE poll wakeup flag
2022-11-21 07:45:29 -07:00
exec.c
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
fcntl.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
filelock: move file locking definitions to separate header file
2023-01-11 06:52:32 -05:00
file.c
fs: use acquire ordering in __fget_light()
2022-10-31 15:30:11 -04:00
filesystems.c
…
fs_context.c
…
fs_parser.c
ext4: journal_path mount options should follow links
2022-12-01 10:46:54 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
mm: convert mem_cgroup_css_from_page() to mem_cgroup_css_from_folio()
2023-02-02 22:33:19 -08:00
fsopen.c
…
init.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
inode.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
internal.h
for-6.3/dio-2023-02-16
2023-02-20 14:10:36 -08:00
ioctl.c
fs: port inode_owner_or_capable() to mnt_idmap
2023-01-19 09:24:29 +01:00
Kconfig
fs: build the legacy direct I/O code conditionally
2023-01-26 10:30:56 -07:00
Kconfig.binfmt
Xtensa updates for v6.1
2022-10-10 14:21:11 -07:00
kernel_read_file.c
…
libfs.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
locks.c
RCU pull request for v6.3
2023-02-21 10:45:51 -08:00
Makefile
for-6.3/dio-2023-02-16
2023-02-20 14:10:36 -08:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2022-12-08 21:49:25 -05:00
mnt_idmapping.c
fs: move mnt_idmap
2023-01-19 09:24:30 +01:00
mount.h
…
mpage.c
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
2023-02-23 17:09:35 -08:00
namei.c
NFSD 6.3 Release Notes
2023-02-22 14:21:40 -08:00
namespace.c
Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:20:07 -08:00
no-block.c
…
nsfs.c
nsfs: repair kernel-doc for ns_match()
2023-01-11 15:47:40 -05:00
open.c
vfs: avoid duplicating creds in faccessat if possible
2023-02-27 16:39:19 -08:00
pipe.c
…
pnode.c
pnode: terminate at peers of source
2022-12-21 14:45:25 +01:00
pnode.h
…
posix_acl.c
fs.acl.v6.3
2023-02-20 12:14:33 -08:00
proc_namespace.c
…
read_write.c
iov_iter work; most of that is about getting rid of
2022-12-12 18:29:54 -08:00
readdir.c
…
remap_range.c
fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap
2023-01-19 09:24:29 +01:00
select.c
…
seq_file.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
signalfd.c
…
splice.c
46 fs/cifs (smb3 client) changesets, 37 in fs/cifs and 9 for related helper functions and cleanup outside from Dave Howells and Willy
2023-02-22 17:12:44 -08:00
stack.c
…
stat.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
statfs.c
…
super.c
fscrypt: destroy keyring after security_sb_delete()
2023-03-14 10:30:30 -07:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
mm: replace vma->vm_flags direct modifications with modifier calls
2023-02-09 16:51:39 -08:00
utimes.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
xattr.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00