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linux-stable/fs
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Shyam Prasad N 665ec6970e cifs: Return the error from crypt_message when enc/dec key not found. 
commit 0bd294b55a upstream.

In crypt_message, when smb2_get_enc_key returns error, we need to
return the error back to the caller. If not, we end up processing
the message further, causing a kernel oops due to unwarranted access
of memory.

Call Trace:
smb3_receive_transform+0x120/0x870 [cifs]
cifs_demultiplex_thread+0xb53/0xc20 [cifs]
? cifs_handle_standard+0x190/0x190 [cifs]
kthread+0x116/0x130
? kthread_park+0x80/0x80
ret_from_fork+0x1f/0x30

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-29 09:07:00 +01:00
..
9p 9p: Fix memory leak in v9fs_mount 2020-08-21 09:48:15 +02:00
adfs fs/adfs: super: fix use-after-free bug 2019-08-06 19:05:21 +02:00
affs affs: fix basic permission bits to actually work 2020-09-09 19:03:12 +02:00
afs afs: Fix some tracing details 2020-04-02 16:34:33 +02:00
autofs4 autofs: fix a leak in autofs_expire_indirect() 2019-12-17 20:37:24 +01:00
befs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bfs bfs: add sanity check at bfs_fill_super() 2018-12-01 09:42:51 +01:00
btrfs Btrfs: fix unexpected failure of nocow buffered writes after snapshotting when low on space 2020-10-14 09:51:11 +02:00
cachefiles cachefiles: Fix race between read_waiter and read_copier involving op->to_do 2020-06-03 08:17:53 +02:00
ceph ceph: fix potential race in ceph_check_caps 2020-10-01 13:12:46 +02:00
cifs cifs: Return the error from crypt_message when enc/dec key not found. 2020-10-29 09:07:00 +01:00
coda coda: add error handling for fget 2019-08-06 19:05:23 +02:00
configfs configfs: fix config_item refcnt leak in configfs_rmdir() 2020-05-27 16:42:56 +02:00
cramfs Cramfs: fix abad comparison when wrap-arounds occur 2018-11-13 11:15:12 -08:00
crypto fscrypt: clean up some BUG_ON()s in block encryption/decryption 2019-07-31 07:28:22 +02:00
debugfs debugfs: fix use-after-free on symlink traversal 2019-05-08 07:20:49 +02:00
devpts fs/devpts: always delete dcache dentry-s in dput() 2019-03-23 14:35:21 +01:00
dlm dlm: Fix kobject memleak 2020-08-21 09:48:13 +02:00
ecryptfs ecryptfs: Fix up bad backport of fe2e082f5d 2020-03-11 18:02:51 +01:00
efivarfs
efs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
exofs exofs_mount(): fix leaks on failure exits 2019-12-05 15:37:28 +01:00
exportfs exportfs: fix 'passing zero to ERR_PTR()' warning 2020-01-27 14:46:06 +01:00
ext2 ext2: fix missing percpu_counter_inc 2020-08-21 09:48:18 +02:00
ext4 ext4: fix a data race at inode->i_disksize 2020-10-01 13:12:36 +02:00
f2fs f2fs: fix indefinite loop scanning for free nid 2020-09-23 10:46:34 +02:00
fat fat: don't allow to mount if the FAT length == 0 2020-06-20 10:25:05 +02:00
freevxfs
fscache fscache: fix race between enablement and dropping of object 2018-12-17 09:28:53 +01:00
fuse fuse: don't check refcount after stealing page 2020-10-01 13:12:44 +02:00
gfs2 gfs2: clean up iopen glock mess in gfs2_create_inode 2020-10-01 13:12:30 +02:00
hfs fs/hfs/extent.c: fix array out of bounds read of array extent 2019-12-01 09:13:57 +01:00
hfsplus hfsplus: fix crash and filesystem corruption when deleting files 2020-04-24 08:00:45 +02:00
hostfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hpfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hugetlbfs hugetlb: use same fault hash key for shared and private mappings 2019-05-31 06:47:12 -07:00
isofs isofs: reject hardware sector size > 2048 bytes 2018-10-03 17:00:57 -07:00
jbd2 jbd2: abort journal if free a async write error metadata buffer 2020-09-03 11:22:29 +02:00
jffs2 jffs2: fix UAF problem 2020-08-26 10:29:56 +02:00
jfs jfs: fix bogus variable self-initialization 2020-01-27 14:46:26 +01:00
kernfs kernfs: fix ino wrap-around detection 2019-12-17 20:38:50 +01:00
lockd lockd: fix decoding of TEST results 2019-12-17 20:38:15 +01:00
minix fs/minix: reject too-large maximum file size 2020-08-21 09:48:15 +02:00
ncpfs staging: ncpfs: memory corruption in ncp_read_kernel() 2018-03-28 18:24:43 +02:00
nfs nfs: Fix security label length not being reset 2020-10-14 09:51:08 +02:00
nfs_common lockd: fix "list_add double add" caused by legacy signal interface 2018-02-03 17:39:08 +01:00
nfsd nfsd: apply umask on fs without ACL support 2020-07-09 09:36:31 +02:00
nilfs2 nilfs2: fix null pointer dereference at nilfs_segctor_do_construct() 2020-06-20 10:25:01 +02:00
nls License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
notify fs: avoid softlockups in s_inodes iterators 2020-01-12 12:11:59 +01:00
ntfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ocfs2 ocfs2: change slot number type s16 to u16 2020-08-21 09:48:19 +02:00
omfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
openpromfs
orangefs help_next should increase position index 2020-02-28 16:36:08 +01:00
overlayfs ovl: initialize error in ovl_copy_xattr 2020-06-20 10:25:04 +02:00
proc proc: Use new_inode not new_inode_pseudo 2020-06-20 10:25:04 +02:00
pstore pstore/ram: Write new dumps to start of recycled zones 2020-01-09 10:17:55 +01:00
qnx4 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
qnx6 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quota fs: avoid softlockups in s_inodes iterators 2020-01-12 12:11:59 +01:00
ramfs
reiserfs reiserfs: Fix oops during mount 2020-10-17 10:29:55 +02:00
romfs romfs: fix uninitialized memory leak in romfs_dev_read() 2020-08-26 10:29:54 +02:00
squashfs Squashfs: Compute expected length from inode size rather than block length 2018-09-05 09:26:32 +02:00
sysfs scsi: sysfs: Introduce sysfs_{un,}break_active_protection() 2018-09-05 09:26:41 +02:00
sysv sysv: return 'err' instead of 0 in __sysv_write_inode 2018-12-17 09:28:48 +01:00
tracefs
ubifs ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len 2020-10-01 13:12:40 +02:00
udf udf: Fix free space reporting for metadata and virtual partitions 2020-02-28 16:36:02 +01:00
ufs fs/ufs: avoid potential u32 multiplication overflow 2020-08-21 09:48:22 +02:00
xfs xfs: don't ever return a stale pointer from __xfs_dir3_free_read 2020-10-01 13:12:37 +02:00
aio.c aio: fix spectre gadget in lookup_ioctx 2018-12-21 14:13:04 +01:00
anon_inodes.c
attr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bad_inode.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
binfmt_aout.c
binfmt_elf.c fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() 2020-06-03 08:18:03 +02:00
binfmt_elf_fdpic.c
binfmt_em86.c
binfmt_flat.c fs/binfmt_flat.c: make load_flat_shared_library() work 2019-07-03 13:15:59 +02:00
binfmt_misc.c fs/binfmt_misc.c: do not allow offset overflow 2018-06-26 08:06:33 +08:00
binfmt_script.c exec: load_script: Do not exec truncated interpreter path 2019-11-06 12:42:59 +01:00
block_dev.c bdev: Reduce time holding bd_mutex in sync in blkdev_close() 2020-10-01 13:12:41 +02:00
buffer.c fs: prevent BUG_ON in submit_bh_wbc() 2020-09-03 11:22:29 +02:00
char_dev.c chardev: Avoid potential use-after-free in 'chrdev_open()' 2020-01-14 20:05:39 +01:00
compat.c
compat_binfmt_elf.c
compat_ioctl.c fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP 2020-01-09 10:17:58 +01:00
coredump.c coredump: fix crash when umh is disabled 2020-05-20 08:16:58 +02:00
dax.c dax: pass NOWAIT flag to iomap_apply 2020-03-11 18:02:43 +01:00
dcache.c fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb() 2019-02-06 17:31:34 +01:00
dcookies.c
direct-io.c iomap: report collisions between directio and buffered writes to userspace 2019-04-27 09:35:41 +02:00
drop_caches.c fs: avoid softlockups in s_inodes iterators 2020-01-12 12:11:59 +01:00
eventfd.c
eventpoll.c ep_create_wakeup_source(): dentry name can change under you... 2020-10-14 09:51:09 +02:00
exec.c exec: Move would_dump into flush_old_exec 2020-05-20 08:17:16 +02:00
fcntl.c fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall 2017-12-17 15:07:59 +01:00
fhandle.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
file.c fix multiplication overflow in copy_fdtable() 2020-05-27 16:42:51 +02:00
file_table.c
filesystems.c fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once() 2020-04-24 08:00:43 +02:00
fs-writeback.c writeback: Fix sync livelock due to b_dirty_time processing 2020-09-03 11:22:32 +02:00
fs_pin.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs_struct.c
inode.c futex: Fix inode life-time issue 2020-04-02 16:34:21 +02:00
internal.h
ioctl.c vfs: swap names of {do,vfs}_clone_file_range() 2018-11-10 07:48:33 -08:00
iomap.c iomap: Fix pipe page leakage during splicing 2019-12-17 20:38:57 +01:00
Kconfig
Kconfig.binfmt
libfs.c libfs: fix infoleak in simple_attr_read() 2020-04-02 16:34:35 +02:00
locks.c locks: print unsigned ino in /proc/locks 2020-01-09 10:17:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mbcache.c mbcache: initialize entry->e_referenced in mb_cache_entry_create() 2018-02-22 15:42:25 +01:00
mount.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpage.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c namei: only return -ECHILD from follow_dotdot_rcu() 2020-03-11 18:02:53 +01:00
namespace.c fs/namespace.c: fix mountpoint reference counter race 2020-05-02 17:24:20 +02:00
no-block.c
nsfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
open.c cifs_atomic_open(): fix double-put on late allocation failure 2020-03-20 10:54:16 +01:00
pipe.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:15:18 +02:00
pnode.c propagate_one(): mnt_set_mountpoint() needs mount_lock 2020-05-02 17:24:47 +02:00
pnode.h
posix_acl.c
proc_namespace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
read_write.c vfs: avoid problematic remapping requests into partial EOF block 2019-12-01 09:13:51 +01:00
readdir.c filldir[64]: remove WARN_ON_ONCE() for bad directory entries 2020-01-04 14:00:04 +01:00
select.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
seq_file.c seq_file: fix incomplete reset on read from zero offset 2018-02-22 15:42:28 +01:00
signalfd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
splice.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:15:18 +02:00
stack.c
stat.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-11 18:18:48 +02:00
super.c fs: don't scan the inode cache before SB_BORN is set 2018-05-30 07:51:47 +02:00
sync.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
timerfd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
userfaultfd.c userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK 2020-01-04 13:59:58 +01:00
utimes.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr.c xattr: break delegations in {set,remove}xattr 2020-08-21 09:48:00 +02:00