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Shreyansh Chouhan 4d7ee5d0a6 reiserfs: check directory items on read from disk 
[ Upstream commit 13d257503c ]

While verifying the leaf item that we read from the disk, reiserfs
doesn't check the directory items, this could cause a crash when we
read a directory item from the disk that has an invalid deh_location.

This patch adds a check to the directory items read from the disk that
does a bounds check on deh_location for the directory entries. Any
directory entry header with a directory entry offset greater than the
item length is considered invalid.

Link: https://lore.kernel.org/r/20210709152929.766363-1-chouhan.shreyansh630@gmail.com
Reported-by: syzbot+c31a48e6702ccb3d64c9@syzkaller.appspotmail.com
Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-08-12 13:19:44 +02:00
..
9p
9P: Cast to loff_t before multiplying
2020-11-05 11:08:53 +01:00
adfs
…
affs
fs/affs: release old buffer head on error path
2021-03-04 09:39:55 +01:00
afs
afs: Fix an IS_ERR() vs NULL check
2021-06-30 08:48:14 -04:00
autofs
…
befs
…
bfs
…
btrfs
btrfs: mark compressed range uptodate only if all bio succeed
2021-08-08 08:54:28 +02:00
cachefiles
cachefiles: Handle readpage error correctly
2020-11-05 11:08:54 +01:00
ceph
bdi: use bdi_dev_name() to get device name
2021-08-08 08:54:29 +02:00
cifs
cifs: fix the out of range assignment to bit fields in parse_server_interfaces
2021-07-31 08:22:38 +02:00
coda
…
configfs
configfs: fix memleak in configfs_release_bin_file
2021-07-20 16:15:57 +02:00
cramfs
…
crypto
fscrypt: don't ignore minor_hash when hash is 0
2021-07-20 16:16:03 +02:00
debugfs
…
devpts
…
dlm
fs: dlm: fix memory leak when fenced
2021-07-20 16:15:46 +02:00
ecryptfs
Revert "ecryptfs: replace BUG_ON with error handling code"
2021-05-26 11:48:34 +02:00
efivarfs
efivarfs: revert "fix memory leak in efivarfs_create()"
2020-12-02 08:48:12 +01:00
efs
…
exofs
…
exportfs
…
ext2
ext2: don't update mtime on COW faults
2020-09-09 19:04:28 +02:00
ext4
ext4: fix potential htree corruption when growing large_dir directories
2021-08-12 13:19:43 +02:00
f2fs
f2fs: add MODULE_SOFTDEP to ensure crc32 is included in the initramfs
2021-07-20 16:16:12 +02:00
fat
fat: don't allow to mount if the FAT length == 0
2020-06-22 09:05:08 +02:00
freevxfs
…
fscache
…
fuse
fuse: reject internal errno
2021-07-20 16:16:03 +02:00
gfs2
gfs2: Fix use-after-free in gfs2_glock_shrink_scan
2021-06-30 08:48:11 -04:00
hfs
hfs: add lock nesting notation to hfs_find_init
2021-07-31 08:22:38 +02:00
hfsplus
hfsplus: prevent corruption in shrinking truncate
2021-05-22 10:59:45 +02:00
hostfs
…
hpfs
…
hugetlbfs
hugetlbfs: hugetlb_fault_mutex_hash() cleanup
2021-06-03 08:38:12 +02:00
isofs
isofs: release buffer head before return
2021-03-04 09:39:45 +01:00
jbd2
jbd2: abort journal if free a async write error metadata buffer
2020-09-03 11:24:24 +02:00
jffs2
jffs2: check the validity of dstlen in jffs2_zlib_compress()
2021-05-22 10:59:21 +02:00
jfs
fs/jfs: Fix missing error code in lmLogInit()
2021-07-20 16:16:08 +02:00
kernfs
…
lockd
lockd: don't use interval-based rebinding over TCP
2020-12-30 11:25:59 +01:00
minix
fs/minix: remove expected error message in block_to_path()
2020-08-21 11:05:38 +02:00
nfs
NFSv4/pNFS: Don't call _nfs4_pnfs_v3_ds_connect multiple times
2021-07-20 16:16:13 +02:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-30 11:26:02 +01:00
nfsd
nfsd4: readdirplus shouldn't return parent of export
2021-01-23 15:49:55 +01:00
nilfs2
nilfs2: fix memory leak in nilfs_sysfs_delete_device_group
2021-06-30 08:48:34 -04:00
nls
…
notify
fanotify: fix ignore mask logic for events on child and on dir
2020-06-30 23:17:00 -04:00
ntfs
ntfs: fix validity check for file name attribute
2021-07-20 16:15:39 +02:00
ocfs2
ocfs2: issue zeroout to EOF blocks
2021-08-04 12:23:45 +02:00
omfs
…
openpromfs
…
orangefs
orangefs: fix orangefs df output.
2021-07-20 16:16:11 +02:00
overlayfs
ovl: fix missing revert_creds() on error path
2021-05-22 10:59:26 +02:00
proc
proc: Avoid mixing integer types in mem_rw()
2021-07-28 11:13:49 +02:00
pstore
pstore: Fix typo in compression option name
2021-03-04 09:39:54 +01:00
qnx4
…
qnx6
…
quota
quota: Fix memory leak when handling corrupted quota file
2021-03-04 09:39:42 +01:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-30 10:38:21 +01:00
reiserfs
reiserfs: check directory items on read from disk
2021-08-12 13:19:44 +02:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-26 10:30:59 +02:00
squashfs
squashfs: fix divide error in calculate_skip()
2021-05-22 10:59:45 +02:00
sysfs
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
2021-03-07 12:19:01 +01:00
sysv
…
tracefs
…
ubifs
ubifs: Set/Clear I_LINKABLE under i_lock for whiteout inode
2021-07-20 16:16:13 +02:00
udf
udf: Fix NULL pointer dereference in udf_symlink function
2021-07-20 16:15:59 +02:00
ufs
fs/ufs: avoid potential u32 multiplication overflow
2020-08-21 11:05:38 +02:00
xfs
xfs: Fix assert failure in xfs_setattr_size()
2021-03-07 12:18:55 +01:00
aio.c
aio: fix async fsync creds
2020-06-22 09:05:01 +02:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
2020-06-03 08:19:41 +02:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix possible deadlock in bm_register_write
2021-03-17 16:43:51 +01:00
binfmt_script.c
…
block_dev.c
block: reexpand iov_iter after read/write
2021-05-22 10:59:49 +02:00
buffer.c
fs: Don't invalidate page buffers in block_write_full_page()
2020-11-05 11:08:46 +01:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
…
compat.c
…
coredump.c
coredump: fix crash when umh is disabled
2020-05-14 07:57:21 +02:00
d_path.c
…
dax.c
…
dcache.c
fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
2020-11-05 11:08:35 +01:00
dcookies.c
…
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-14 08:22:32 +02:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
ep_create_wakeup_source(): dentry name can change under you...
2020-10-07 08:00:09 +02:00
exec.c
exit/exec: Seperate mm_release()
2021-01-30 13:32:11 +01:00
fcntl.c
fcntl: Fix potential deadlock in send_sig{io, urg}()
2021-01-06 14:45:00 +01:00
fhandle.c
…
file_table.c
…
file.c
fix multiplication overflow in copy_fdtable()
2020-05-27 17:37:29 +02:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-17 10:48:51 +02:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
writeback: fix obtain a reference to a freeing memcg css
2021-07-20 16:15:52 +02:00
inode.c
…
internal.h
…
ioctl.c
…
iomap.c
iomap: fix sub-page uptodate handling
2021-05-22 10:59:50 +02:00
Kconfig
…
Kconfig.binfmt
…
libfs.c
libfs: fix error cast of negative value in simple_attr_write()
2020-11-24 13:27:23 +01:00
locks.c
…
Makefile
…
mbcache.c
…
mount.h
…
mpage.c
…
namei.c
…
namespace.c
fs/namespace.c: fix mountpoint reference counter race
2020-04-29 16:31:26 +02:00
no-block.c
…
nsfs.c
…
open.c
…
pipe.c
pipe: increase minimum default pipe size to 2 pages
2021-08-12 13:19:43 +02:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-05-02 17:26:01 +02:00
pnode.h
…
posix_acl.c
…
proc_namespace.c
…
read_write.c
…
readdir.c
readdir: make sure to verify directory entry for legacy interfaces too
2021-04-28 13:16:50 +02:00
select.c
kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
2021-03-24 11:07:37 +01:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-20 16:16:16 +02:00
signalfd.c
fs/signalfd.c: fix inconsistent return codes for signalfd4
2020-08-26 10:31:02 +02:00
splice.c
…
stack.c
…
stat.c
…
statfs.c
…
super.c
vfs: remove lockdep bogosity in __sb_start_write
2020-11-24 13:27:20 +01:00
sync.c
…
timerfd.c
…
userfaultfd.c
…
utimes.c
…
xattr.c
xattr: break delegations in {set,remove}xattr
2020-08-11 15:32:34 +02:00