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Ian Kent 4bdac2526d autofs: fix autofs_sbi() does not check super block type 
commit 0633da48f0 upstream.

autofs_sbi() does not check the superblock magic number to verify it has
been given an autofs super block.

Backport Note: autofs4 has been renamed to autofs upstream. As a result
the upstream patch does not apply cleanly onto 4.14.y.

Link: http://lkml.kernel.org/r/153475422934.17131.7563724552005298277.stgit@pluto.themaw.net
Reported-by: <syzbot+87c3c541582e56943277@syzkaller.appspotmail.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-19 22:49:00 +02:00
..
9p
fs/9p/xattr.c: catch the error of p9_client_clunk when setting xattr failed
2018-09-09 20:04:33 +02:00
adfs
…
affs
affs_lookup(): close a race with affs_remove_link()
2018-05-30 07:48:51 +02:00
afs
afs: Fix afs_kill_pages()
2017-12-20 10:04:56 +01:00
autofs4
autofs: fix autofs_sbi() does not check super block type
2018-09-19 22:49:00 +02:00
befs
…
bfs
…
btrfs
btrfs: use correct compare function of dirty_metadata_bytes
2018-09-15 09:40:42 +02:00
cachefiles
cachefiles: Wait rather than BUG'ing on "Unexpected object collision"
2018-09-05 09:18:35 +02:00
ceph
ceph: drop negative child dentries before try pruning inode's alias
2017-12-20 10:04:52 +01:00
cifs
SMB3: Number of requests sent should be displayed for SMB3 not just CIFS
2018-09-15 09:40:39 +02:00
coda
coda: fix 'kernel memory exposure attempt' in fsync
2017-11-24 08:32:25 +01:00
configfs
configfs: Fix race between create_link and configfs_rmdir
2017-06-26 07:13:08 +02:00
cramfs
…
debugfs
dentry name snapshots
2017-08-06 19:19:42 -07:00
devpts
…
dlm
dlm: avoid double-free on error path in dlm_device_{register,unregister}
2017-09-13 14:09:45 -07:00
ecryptfs
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
efivarfs
…
efs
…
exofs
…
exportfs
…
ext2
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
ext4
ext4: reset error code in ext4_find_entry in fallback
2018-09-05 09:18:38 +02:00
f2fs
f2fs: fix to do sanity check with {sit,nat}_ver_bitmap_bytesize
2018-09-19 22:48:59 +02:00
fat
fat: validate ->i_start before using
2018-09-15 09:40:38 +02:00
freevxfs
…
fscache
fscache: Allow cancelled operations to be enqueued
2018-09-05 09:18:35 +02:00
fuse
fuse: Add missed unlock_page() to fuse_readpages_fill()
2018-09-05 09:18:39 +02:00
gfs2
gfs2: Fix fallocate chunk size
2018-05-30 07:49:13 +02:00
hfs
hfs: prevent crash on exit from failed search
2018-09-15 09:40:37 +02:00
hfsplus
hfsplus: fix NULL dereference in hfsplus_lookup()
2018-09-15 09:40:38 +02:00
hostfs
…
hpfs
…
hugetlbfs
mm: larger stack guard gap, between vmas
2017-06-26 07:13:11 +02:00
isofs
isofs: fix timestamps beyond 2027
2017-11-30 08:37:20 +00:00
jbd2
jbd2: don't mark block as modified if the handle is out of credits
2018-07-11 16:03:48 +02:00
jffs2
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
2018-05-30 07:48:54 +02:00
jfs
jfs: Fix inconsistency between memory allocation and ea_buf->max_size
2018-08-09 12:19:28 +02:00
kernfs
kernfs: fix regression in kernfs_fop_write caused by wrong type
2018-02-16 20:09:42 +01:00
lockd
lockd: lost rollback of set_grace_period() in lockd_down_net()
2018-05-26 08:48:50 +02:00
logfs
…
minix
…
ncpfs
staging: ncpfs: memory corruption in ncp_read_kernel()
2018-03-28 18:40:15 +02:00
nfs
NFSv4.0 fix client reference leak in callback
2018-09-19 22:48:57 +02:00
nfs_common
lockd: fix "list_add double add" caused by legacy signal interface
2018-02-03 17:04:28 +01:00
nfsd
nfsd: fix potential use-after-free in nfsd4_decode_getdeviceinfo
2018-08-06 16:24:30 +02:00
nilfs2
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
nls
…
notify
fanotify: fix logic of events on child
2018-04-24 09:32:11 +02:00
ntfs
…
ocfs2
ocfs2: subsystem.su_mutex is required while accessing the item->ci_parent
2018-07-22 14:25:52 +02:00
omfs
…
openpromfs
…
overlayfs
ovl: proper cleanup of workdir
2018-09-15 09:40:41 +02:00
proc
proc: Use underscores for SSBD in 'status'
2018-07-25 10:18:28 +02:00
pstore
pstore: Use dynamic spinlock initializer
2017-08-06 19:19:43 -07:00
qnx4
…
qnx6
…
quota
fs/quota: Fix spectre gadget in do_quotactl
2018-09-09 20:04:36 +02:00
ramfs
…
reiserfs
reiserfs: change j_timestamp type to time64_t
2018-09-15 09:40:38 +02:00
romfs
romfs: use different way to generate fsid for BLOCK or MTD
2017-06-17 06:39:38 +02:00
squashfs
squashfs: more metadata hardenings
2018-08-06 16:24:42 +02:00
sysfs
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
2018-09-05 09:18:40 +02:00
sysv
…
tracefs
…
ubifs
ubifs: Fix synced_i_size calculation for xattr inodes
2018-09-09 20:04:35 +02:00
udf
udf: Detect incorrect directory size
2018-07-03 11:21:34 +02:00
ufs
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
xfs
xfs: fix incorrect log_flushed on fsync
2018-06-13 16:15:27 +02:00
aio.c
fix io_destroy()/aio_complete() race
2018-06-06 16:46:23 +02:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
binfmt_elf: use ELF_ET_DYN_BASE only for PIE
2017-07-21 07:44:57 +02:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
fs/binfmt_misc.c: do not allow offset overflow
2018-07-03 11:21:26 +02:00
binfmt_script.c
…
block_dev.c
fs/block_dev: always invalidate cleancache in invalidate_bdev()
2017-05-20 14:27:01 +02:00
buffer.c
fs: add i_blocksize()
2017-06-14 13:16:24 +02:00
char_dev.c
…
compat_binfmt_elf.c
binfmt_elf: compat: avoid unused function warning
2018-02-25 11:03:51 +01:00
compat_ioctl.c
fs: compat: Remove warning from COMPATIBLE_IOCTL
2018-04-08 11:51:57 +02:00
compat.c
…
coredump.c
coredump: Ensure proper size of sparse core files
2017-07-05 14:37:20 +02:00
dax.c
…
dcache.c
fs/dcache.c: fix kmemcheck splat at take_dentry_name_snapshot()
2018-09-15 09:40:38 +02:00
dcookies.c
…
direct-io.c
direct-io: Prevent NULL pointer access in submit_page_section
2017-10-18 09:20:42 +02:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()
2017-09-07 08:34:10 +02:00
exec.c
exec: Limit arg stack to at most 75% of _STK_LIM
2017-07-21 07:44:57 +02:00
fcntl.c
fs/fcntl: f_setown, avoid undefined behaviour
2018-01-31 12:06:11 +01:00
fhandle.c
…
file_table.c
…
file.c
…
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
bdi: Fix oops in wb_workfn()
2018-05-16 10:06:51 +02:00
inode.c
Fix up non-directory creation in SGID directories
2018-07-17 11:31:43 +02:00
internal.h
…
ioctl.c
…
Kconfig
…
Kconfig.binfmt
…
libfs.c
…
locks.c
locks: don't check for race with close when setting OFD lock
2018-01-17 09:35:27 +01:00
Makefile
…
mbcache.c
…
mount.h
mnt: In propgate_umount handle visiting mounts in any order
2017-07-21 07:44:57 +02:00
mpage.c
fs: add i_blocksize()
2017-06-14 13:16:24 +02:00
namei.c
getname_kernel() needs to make sure that ->name != ->iname in long case
2018-04-24 09:32:04 +02:00
namespace.c
fix __legitimize_mnt()/mntput() race
2018-08-15 17:42:05 +02:00
no-block.c
…
nsfs.c
nsfs: mark dentry with DCACHE_RCUACCESS
2018-02-16 20:09:43 +01:00
open.c
fs: completely ignore unknown open flags
2017-07-15 11:57:44 +02:00
pipe.c
pipe: cap initial pipe capacity according to pipe-max-size limit
2018-05-26 08:48:51 +02:00
pnode.c
mnt: Make propagate_umount less slow for overlapping mount propagation trees
2017-07-21 07:44:58 +02:00
pnode.h
mnt: Add a per mount namespace limit on the number of mounts
2017-04-30 05:49:28 +02:00
posix_acl.c
…
proc_namespace.c
…
read_write.c
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
2017-10-05 09:41:45 +02:00
readdir.c
…
select.c
fs/select: add vmalloc fallback for select(2)
2018-01-31 12:06:09 +01:00
seq_file.c
Make file credentials available to the seqfile interfaces
2017-08-06 19:19:42 -07:00
signalfd.c
…
splice.c
…
stack.c
…
stat.c
ufs: restore maintaining ->i_blocks
2017-06-14 13:16:24 +02:00
statfs.c
…
super.c
sget(): handle failures of register_shrinker()
2018-03-03 10:19:41 +01:00
sync.c
…
timerfd.c
timerfd: Protect the might cancel mechanism proper
2017-05-08 07:46:01 +02:00
userfaultfd.c
userfaultfd: shmem: __do_fault requires VM_FAULT_NOPAGE
2017-12-20 10:04:53 +01:00
utimes.c
…
xattr.c
getxattr: use correct xattr length
2018-09-09 20:04:36 +02:00