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Theodore Ts'o bcd8e91f98 ext4: avoid arithemetic overflow that can trigger a BUG 
A maliciously crafted file system can cause an overflow when the
results of a 64-bit calculation is stored into a 32-bit length
parameter.

https://bugzilla.kernel.org/show_bug.cgi?id=200623

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reported-by: Wen Xu <wen.xu@gatech.edu>
Cc: stable@vger.kernel.org
2018-09-01 12:45:04 -04:00
..
9p
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
adfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
affs
affs: fix potential memory leak when parsing option 'prefix'
2018-05-28 12:36:41 +02:00
afs
Merge branch 'afs-proc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-16 16:32:04 +09:00
autofs
autofs: rename 'autofs' module back to 'autofs4'
2018-07-05 11:35:04 -07:00
befs
fix a series of Documentation/ broken file name references
2018-06-15 18:10:01 -03:00
bfs
bfs_add_entry: pass name/len as qstr pointer
2018-05-22 14:27:50 -04:00
btrfs
for-4.18-rc2-tag
2018-07-01 12:38:16 -07:00
cachefiles
Merge branch 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-04 10:00:01 -07:00
ceph
ceph: fix dentry leak in splice_dentry()
2018-06-26 18:42:44 +02:00
cifs
cifs: Fix stack out-of-bounds in smb{2,3}_create_lease_buf()
2018-07-05 13:48:25 -05:00
coda
vfs: change inode times to use struct timespec64
2018-06-05 16:57:31 -07:00
configfs
vfs: change inode times to use struct timespec64
2018-06-05 16:57:31 -07:00
cramfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
crypto
f2fs-for-4.18-rc1
2018-06-11 10:16:13 -07:00
debugfs
Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent"
2018-06-12 20:52:16 -07:00
devpts
…
dlm
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
ecryptfs
Merge branch 'fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs into aio-base
2018-05-26 09:16:25 +02:00
efivarfs
…
efs
…
exofs
exofs: avoid VLA in structures
2018-06-15 07:55:24 +09:00
exportfs
ovl: do not try to reconnect a disconnected origin dentry
2018-04-12 12:04:49 +02:00
ext2
ext2: add warning when specifying nocheck option
2018-06-20 11:04:26 +02:00
ext4
ext4: avoid arithemetic overflow that can trigger a BUG
2018-09-01 12:45:04 -04:00
f2fs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
fat
Merge branch 'akpm' (patches from Andrew)
2018-06-15 08:51:42 +09:00
freevxfs
freevxfs_lookup(): use d_splice_alias()
2018-05-22 14:27:51 -04:00
fscache
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
fuse
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
gfs2
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
hfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
hfsplus
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
hostfs
vfs: change inode times to use struct timespec64
2018-06-05 16:57:31 -07:00
hpfs
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
hugetlbfs
hugetlbfs: fix bug in pgoff overflow checking
2018-04-05 21:36:21 -07:00
isofs
isofs: fix potential memory leak in mount option parsing
2018-04-16 09:47:41 +02:00
jbd2
jbd2: replace current_kernel_time64 with ktime equivalent
2018-07-29 15:51:47 -04:00
jffs2
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
jfs
This fixes a too-small allocation in the xattr code.
2018-06-19 07:47:32 +09:00
kernfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
lockd
…
minix
minix_lookup: use d_splice_alias()
2018-05-22 14:27:52 -04:00
nfs
NFS client bugfixes for Linux 4.18
2018-06-22 06:21:34 +09:00
nfs_common
…
nfsd
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
nilfs2
do d_instantiate/unlock_new_inode combinations safely
2018-05-11 15:36:37 -04:00
nls
…
notify
fsnotify: add fsnotify_add_inode_mark() wrappers
2018-05-18 14:58:22 +02:00
ntfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
ocfs2
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
omfs
omfs_lookup(): report IO errors, use d_splice_alias()
2018-05-22 14:27:58 -04:00
openpromfs
openpromfs: switch to d_splice_alias()
2018-05-22 14:27:57 -04:00
orangefs
Solve a series of broken links for files under Documentation:
2018-06-17 05:25:18 +09:00
overlayfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
proc
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-07-01 12:32:19 -07:00
pstore
pstore: Remove bogus format string definition
2018-06-14 14:57:24 +02:00
qnx4
qnx4_lookup: use d_splice_alias()
2018-05-22 14:27:52 -04:00
qnx6
qnx6_lookup: switch to d_splice_alias()
2018-05-22 14:27:54 -04:00
quota
quota: Cleanup list iteration in dqcache_shrink_scan()
2018-06-20 11:04:26 +02:00
ramfs
…
reiserfs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
romfs
romfs_lookup: switch to d_splice_alias()
2018-05-22 14:27:55 -04:00
squashfs
…
sysfs
unfuck sysfs_mount()
2018-05-21 14:30:09 -04:00
sysv
sysv_lookup: use d_splice_alias()
2018-05-22 14:27:53 -04:00
tracefs
…
ubifs
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
udf
udf: Drop unused arguments of udf_delete_aext()
2018-06-20 11:05:49 +02:00
ufs
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
xfs
xfs: fix fdblocks accounting w/ RMAPBT per-AG reservation
2018-06-24 12:00:12 -07:00
aio.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
anon_inodes.c
…
attr.c
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
bad_inode.c
vfs: change inode times to use struct timespec64
2018-06-05 16:57:31 -07:00
binfmt_aout.c
exec: introduce finalize_exec() before start_thread()
2018-04-11 10:28:37 -07:00
binfmt_elf_fdpic.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
binfmt_elf.c
coredump: fix spam with zero VMA process
2018-06-15 07:55:24 +09:00
binfmt_em86.c
…
binfmt_flat.c
exec: introduce finalize_exec() before start_thread()
2018-04-11 10:28:37 -07:00
binfmt_misc.c
docs: Fix more broken references
2018-06-15 18:11:26 -03:00
binfmt_script.c
…
block_dev.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
buffer.c
fs: move page_cache_seek_hole_data to iomap.c
2018-06-01 18:37:33 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
autofs: clean up includes
2018-06-07 17:34:40 -07:00
compat.c
ncpfs: remove compat functionality
2018-06-05 19:23:26 +02:00
coredump.c
…
d_path.c
…
dax.c
dax: dax_layout_busy_page() warn on !exceptional
2018-07-29 16:59:16 -04:00
dcache.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-04 10:14:28 -07:00
dcookies.c
…
direct-io.c
block: consistently use GFP_NOIO instead of __GFP_NORECLAIM
2018-05-14 08:55:18 -06:00
drop_caches.c
…
eventfd.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
eventpoll.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
exec.c
Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-06-10 10:17:09 -07:00
fcntl.c
mm: restructure memfd code
2018-06-07 17:34:35 -07:00
fhandle.c
…
file_table.c
…
file.c
…
filesystems.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
bdi: Fix oops in wb_workfn()
2018-05-03 16:11:37 -06:00
inode.c
Fix up non-directory creation in SGID directories
2018-07-05 12:36:36 -07:00
internal.h
Revert "fs: fold open_check_o_direct into do_dentry_open"
2018-06-03 10:58:23 -07:00
ioctl.c
fs: Allow CAP_SYS_ADMIN in s_user_ns to freeze and thaw filesystems
2018-05-24 12:04:28 -05:00
iomap.c
Changes since last update:
2018-06-12 15:49:00 -07:00
Kconfig
autofs: remove left-over autofs4 stubs
2018-06-11 08:22:34 -07:00
Kconfig.binfmt
docs: Fix more broken references
2018-06-15 18:11:26 -03:00
libfs.c
…
locks.c
vfs/y2038: inode timestamps conversion to timespec64
2018-06-15 07:31:07 +09:00
Makefile
autofs: remove left-over autofs4 stubs
2018-06-11 08:22:34 -07:00
mbcache.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
mount.h
…
mpage.c
…
namei.c
Merge branch 'afs-proc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-16 16:32:04 +09:00
namespace.c
fs: Allow superblock owner to access do_remount_sb()
2018-05-24 12:02:25 -05:00
no-block.c
…
nsfs.c
…
open.c
Revert "fs: fold open_check_o_direct into do_dentry_open"
2018-06-03 10:58:23 -07:00
pipe.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
…
proc_namespace.c
…
read_write.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
readdir.c
…
select.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
seq_file.c
proc: fix smaps and meminfo alignment
2018-05-25 18:12:11 -07:00
signalfd.c
Merge branch 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-16 16:21:50 +09:00
splice.c
Merge branch 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-16 16:21:50 +09:00
stack.c
…
stat.c
…
statfs.c
…
super.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-06-04 10:14:28 -07:00
sync.c
Changes for this release:
2018-04-04 12:44:02 -07:00
timerfd.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
userfaultfd.c
userfaultfd: hugetlbfs: fix userfaultfd_huge_must_wait() pte access
2018-07-03 17:32:18 -07:00
utimes.c
…
xattr.c
vfs: delete unnecessary assignment in vfs_listxattr
2018-05-29 13:22:41 -04:00