iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/fs
History
Mike Kravetz 15568299b7 hugetlbfs: prevent filesystem stacking of hugetlbfs 
syzbot found issues with having hugetlbfs on a union/overlay as reported
in [1].  Due to the limitations (no write) and special functionality of
hugetlbfs, it does not work well in filesystem stacking.  There are no
know use cases for hugetlbfs stacking.  Rather than making modifications
to get hugetlbfs working in such environments, simply prevent stacking.

[1] https://lore.kernel.org/linux-mm/000000000000b4684e05a2968ca6@google.com/

Reported-by: syzbot+d6ec23007e951dadf3de@syzkaller.appspotmail.com
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Colin Walters <walters@verbum.org>
Link: http://lkml.kernel.org/r/80f869aa-810d-ef6c-8888-b46cee135907@oracle.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12 10:57:56 -07:00
..
9p
9p: read only once on O_NONBLOCK
2020-03-27 09:29:56 +00:00
adfs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
affs
block: move block-related definitions out of fs.h
2020-06-24 09:16:02 -06:00
afs
Remove uninitialized_var() macro for v5.9-rc1
2020-08-04 13:49:43 -07:00
autofs
autofs: switch to kernel_write
2020-07-08 08:27:56 +02:00
befs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
bfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
btrfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 21:14:30 -07:00
cachefiles
cachefiles: switch to kernel_write
2020-07-08 08:27:56 +02:00
ceph
ceph: skip checking caps when session reconnecting and releasing reqs
2020-06-01 13:22:53 +02:00
cifs
Merge branch 'akpm' (patches from Andrew)
2020-08-07 11:39:33 -07:00
coda
docs: filesystems: convert coda.txt to ReST
2020-05-05 09:22:21 -06:00
configfs
A fair amount of stuff this time around, dominated by yet another massive
2020-06-01 15:45:27 -07:00
cramfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
crypto
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
debugfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-08-05 20:13:21 -07:00
devpts
…
dlm
dlm for 5.9
2020-08-06 19:44:25 -07:00
ecryptfs
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
efivarfs
efi/efivars: Expose RT service availability via efivars abstraction
2020-07-09 10:14:29 +03:00
efs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
erofs
Changes since last update:
2020-08-06 19:22:51 -07:00
exfat
exfat: fix name_hash computation on big endian systems
2020-07-21 10:44:19 +09:00
exportfs
…
ext2
ext2: ext2.h: fix duplicated word + typos
2020-07-27 10:58:06 +02:00
ext4
New code for 5.9:
2020-08-06 19:35:12 -07:00
f2fs
f2fs-for-5.9-rc1
2020-08-10 18:33:22 -07:00
fat
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
freevxfs
…
fscache
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-06-03 16:27:18 -07:00
fuse
Remove uninitialized_var() macro for v5.9-rc1
2020-08-04 13:49:43 -07:00
gfs2
Changes in gfs2:
2020-08-10 18:22:43 -07:00
hfs
block: move block-related definitions out of fs.h
2020-06-24 09:16:02 -06:00
hfsplus
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
hostfs
hostfs: Use kasprintf() instead of fixed buffer formatting
2020-03-29 23:23:00 +02:00
hpfs
hpfs: fix warning due to superfluous semicolon
2020-06-06 10:08:17 -07:00
hugetlbfs
hugetlbfs: prevent filesystem stacking of hugetlbfs
2020-08-12 10:57:56 -07:00
iomap
iomap: fall back to buffered writes for invalidation failures
2020-08-05 09:24:16 -07:00
isofs
Remove uninitialized_var() macro for v5.9-rc1
2020-08-04 13:49:43 -07:00
jbd2
This is the second round of ext4 commits for 5.8 merge window. It
2020-06-15 09:32:10 -07:00
jffs2
This pull request contains changes for JFFS2, UBI and UBIFS
2020-08-10 18:20:04 -07:00
jfs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
kernfs
fsnotify: pass dir and inode arguments to fsnotify()
2020-07-27 23:15:48 +02:00
lockd
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
minix
…
nfs
A set of locking fixes and updates:
2020-08-10 19:07:44 -07:00
nfs_common
…
nfsd
Highlights:
2020-08-09 13:58:04 -07:00
nilfs2
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
2020-06-10 19:14:17 -07:00
nls
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
notify
fanotify: compare fsid when merging name event
2020-07-28 10:58:07 +02:00
ntfs
ntfs: fix ntfs_test_inode and ntfs_init_locked_inode function type
2020-08-07 11:33:21 -07:00
ocfs2
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 21:14:30 -07:00
omfs
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
openpromfs
…
orangefs
orangefs: a conversion and a cleanup...
2020-06-05 16:44:36 -07:00
overlayfs
Remove uninitialized_var() macro for v5.9-rc1
2020-08-04 13:49:43 -07:00
proc
mm, oom: make the calculation of oom badness more accurate
2020-08-12 10:57:56 -07:00
pstore
pstore: Fix linking when crypto API disabled
2020-07-06 19:42:31 -07:00
qnx4
…
qnx6
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
quota
\n
2020-08-06 19:28:26 -07:00
ramfs
fs_parse: fold fs_parameter_desc/fs_parameter_spec
2020-02-07 14:48:37 -05:00
reiserfs
\n
2020-08-06 19:28:26 -07:00
romfs
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
squashfs
squashfs: fix length field overlap check in metadata reading
2020-07-24 12:42:41 -07:00
sysfs
RDMA 5.8 merge window pull request
2020-06-05 14:05:57 -07:00
sysv
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
tracefs
…
ubifs
This pull request contains changes for JFFS2, UBI and UBIFS
2020-08-10 18:20:04 -07:00
udf
\n
2020-08-06 19:28:26 -07:00
ufs
…
unicode
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
vboxsf
vboxsf: don't use the source name in the bdi name
2020-05-07 08:45:47 -06:00
verity
fs-verity: use smp_load_acquire() for ->i_verity_info
2020-07-21 16:02:41 -07:00
xfs
New code for 5.9:
2020-08-07 10:57:29 -07:00
zonefs
New code for 5.9:
2020-08-06 19:35:12 -07:00
aio.c
mm: remove unnecessary wrapper function do_mmap_pgoff()
2020-08-07 11:33:27 -07:00
anon_inodes.c
…
attr.c
…
bad_inode.c
fs: move the fiemap definitions out of fs.h
2020-06-03 23:16:55 -04:00
binfmt_aout.c
exec: Rename flush_old_exec begin_new_exec
2020-05-07 16:55:47 -05:00
binfmt_elf_fdpic.c
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
binfmt_elf.c
kill elf_fpxregs_t
2020-07-27 14:29:23 -04:00
binfmt_em86.c
Merge branch 'akpm' (patches from Andrew)
2020-06-04 19:18:29 -07:00
binfmt_flat.c
Merge branch 'uaccess.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-10 16:02:54 -07:00
binfmt_misc.c
Merge branch 'akpm' (patches from Andrew)
2020-06-04 19:18:29 -07:00
binfmt_script.c
Merge branch 'akpm' (patches from Andrew)
2020-06-04 19:18:29 -07:00
block_dev.c
for-5.9/io_uring-20200802
2020-08-03 13:01:22 -07:00
buffer.c
for-5.9/block-20200802
2020-08-03 11:57:03 -07:00
char_dev.c
vfs: allow unprivileged whiteout creation
2020-05-14 16:44:23 +02:00
compat_binfmt_elf.c
Split the old READ_IMPLIES_EXEC workaround from executable PT_GNU_STACK
2020-06-05 13:45:21 -07:00
compat.c
…
coredump.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
d_path.c
…
dax.c
dax,iomap: Add helper dax_iomap_zero() to zero a range
2020-04-02 19:15:03 -07:00
dcache.c
vfs: Use sequence counter with associated spinlock
2020-07-29 16:14:27 +02:00
dcookies.c
…
direct-io.c
block: remove the bd_queue field from struct block_device
2020-07-01 08:08:20 -06:00
drop_caches.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
eventfd.c
eventfd: convert to f_op->read_iter()
2020-05-06 22:33:43 -04:00
eventpoll.c
epoll: call final ep_events_available() check under the lock
2020-05-14 10:00:35 -07:00
exec.c
exec: Implement kernel_execve
2020-07-21 08:24:52 -05:00
fcntl.c
fcntl: Distribute switch variables for initialization
2020-03-03 10:55:06 -05:00
fhandle.c
…
file_table.c
Revert "fs: Do not check if there is a fsnotify watcher on pseudo inodes"
2020-06-29 09:40:55 -07:00
file.c
Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 09:40:34 -07:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-10 15:36:22 -07:00
fs_context.c
vfs: don't parse "silent" option
2020-05-14 16:44:25 +02:00
fs_parser.c
fs_parse: remove pr_notice() about each validation
2020-04-02 09:35:26 -07:00
fs_pin.c
…
fs_struct.c
vfs: Use sequence counter with associated spinlock
2020-07-29 16:14:27 +02:00
fs_types.c
…
fs-writeback.c
A lot of bug fixes and cleanups for ext4, including:
2020-06-05 16:19:28 -07:00
fsopen.c
add prefix to fs_context->log
2020-02-07 14:48:35 -05:00
init.c
init: add an init_dup helper
2020-08-04 21:02:38 -04:00
inode.c
AFS Changes
2020-06-05 16:26:36 -07:00
internal.h
Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 09:40:34 -07:00
io_uring.c
for-5.9/io_uring-20200802
2020-08-03 13:01:22 -07:00
io-wq.c
io-wq: update hash bits
2020-07-25 09:47:44 -06:00
io-wq.h
io_uring/io-wq: move RLIMIT_FSIZE to io-wq
2020-07-24 13:00:44 -06:00
ioctl.c
fs: remove ksys_ioctl
2020-07-31 08:16:01 +02:00
Kconfig
tmpfs: support 64-bit inums per-sb
2020-08-07 11:33:24 -07:00
Kconfig.binfmt
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
libfs.c
block: remove the error_sector argument to blkdev_issue_flush
2020-05-22 08:45:46 -06:00
locks.c
Highlights:
2020-08-09 13:58:04 -07:00
Makefile
init: add an init_mount helper
2020-07-31 08:17:51 +02:00
mbcache.c
…
mount.h
proc/mounts: add cursor
2020-05-14 16:44:24 +02:00
mpage.c
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
namei.c
init: add an init_mknod helper
2020-07-31 08:17:54 +02:00
namespace.c
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 21:03:25 -07:00
no-block.c
…
nsfs.c
nsproxy: attach to namespaces via pidfds
2020-05-13 11:41:22 +02:00
open.c
Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 09:40:34 -07:00
pipe.c
Notifications over pipes + Keyring notifications
2020-06-13 09:56:21 -07:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-04-27 10:37:14 -04:00
pnode.h
…
posix_acl.c
vfs: clean up posix_acl_permission() logic aroudn MAY_NOT_BLOCK
2020-06-08 11:04:19 -07:00
proc_namespace.c
Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-06-04 13:54:34 -07:00
read_write.c
initrd: switch initrd loading to struct file based APIs
2020-07-30 08:22:47 +02:00
readdir.c
fs: remove ksys_getdents64
2020-07-31 08:16:00 +02:00
select.c
pselect6() and friends: take handling the combined 6th/7th args into helper
2020-05-29 19:10:42 -04:00
seq_file.c
fs/seq_file.c: seq_read: Update pr_info_ratelimited
2020-06-04 19:06:25 -07:00
signalfd.c
…
splice.c
Notifications over pipes + Keyring notifications
2020-06-13 09:56:21 -07:00
stack.c
…
stat.c
New code for 5.8:
2020-06-02 19:45:12 -07:00
statfs.c
…
super.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-10 16:09:11 -07:00
sync.c
overlayfs update for 5.8
2020-06-09 15:40:50 -07:00
timerfd.c
…
userfaultfd.c
A set of locking fixes and updates:
2020-08-10 19:07:44 -07:00
utimes.c
fs: expose utimes_common
2020-07-31 08:16:01 +02:00
xattr.c
xattr: add a function to check if a namespace is supported
2020-07-13 17:27:03 -04:00