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Jingbo Xu 0a17567b4a erofs: fix null-ptr-deref caused by erofs_xattr_prefixes_init 
Fragments and dedupe share one feature bit, and thus packed inode may not
exist when fragment feature bit (dedupe feature bit exactly) is set, e.g.
when deduplication feature is in use while fragments feature is not.  In
this case, sbi->packed_inode could be NULL while fragments feature bit
is set.

Fix this by accessing packed inode only when it exists.

Reported-by: syzbot+902d5a9373ae8f748a94@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?extid=902d5a9373ae8f748a94
Reported-and-tested-by: syzbot+bbb353775d51424087f2@syzkaller.appspotmail.com
Fixes: 9e382914617c ("erofs: add helpers to load long xattr name prefixes")
Fixes: 6a318ccd7e08 ("erofs: enable long extended attribute name prefixes")
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230515103941.129784-1-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2023-05-23 16:56:21 +08:00
..
9p
Including fixes from netfilter.
2023-05-05 19:12:01 -07:00
adfs
fs: port ->setattr() to pass mnt_idmap
2023-01-19 09:24:02 +01:00
affs
for-6.3/dio-2023-02-16
2023-02-20 14:10:36 -08:00
afs
Five hotfixes. Three are cc:stable, two pertain to post-6.3 merge window
2023-05-06 11:25:03 -07:00
autofs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
befs
…
bfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
btrfs
for-6.4-rc1-tag
2023-05-12 17:10:32 -05:00
cachefiles
fs/cachefiles: simplify one-level sysctl registration for cachefiles_sysctls
2023-04-13 11:49:35 -07:00
ceph
A few filesystem improvements, with a rather nasty use-after-free fix
2023-05-04 14:48:02 -07:00
cifs
cifs: release leases for deferred close handles when freezing
2023-05-10 17:48:30 -05:00
coda
sysctl-6.4-rc1
2023-04-27 16:52:33 -07:00
configfs
fs: consolidate duplicate dt_type helpers
2023-04-03 09:23:54 +02:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-02 21:54:23 -08:00
crypto
fscrypt: optimize fscrypt_initialize()
2023-04-06 11:16:39 -07:00
debugfs
ARM: SoC drivers for 6.3
2023-02-27 10:04:49 -08:00
devpts
devpts: simplify two-level sysctl registration for pty_kern_table
2023-03-13 12:36:34 +01:00
dlm
Networking changes for 6.4.
2023-04-26 16:07:23 -07:00
ecryptfs
fs: drop unused posix acl handlers
2023-03-06 09:57:12 +01:00
efivarfs
A healthy mix of EFI contributions this time:
2023-02-23 14:41:48 -08:00
efs
…
erofs
erofs: fix null-ptr-deref caused by erofs_xattr_prefixes_init
2023-05-23 16:56:21 +08:00
exfat
Description for this pull request:
2023-03-01 08:42:27 -08:00
exportfs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
ext2
\n
2023-04-26 09:07:46 -07:00
ext4
ext4: bail out of ext4_xattr_ibody_get() fails for any reason
2023-05-13 18:05:05 -04:00
f2fs
f2fs update for 6.4-rc1
2023-04-26 09:42:10 -07:00
fat
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
freevxfs
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-01-30 12:51:54 +00:00
fuse
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
gfs2
gfs2: Don't deref jdesc in evict
2023-05-10 17:15:18 +02:00
hfs
There is no particular theme here - mainly quick hits all over the tree.
2023-02-23 17:55:40 -08:00
hfsplus
fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()
2023-04-12 11:29:32 +02:00
hostfs
um: hostfs: define our own API boundary
2023-04-20 23:04:40 +02:00
hpfs
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
hugetlbfs
mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area()
2023-04-21 14:52:05 -07:00
iomap
New code for 6.4:
2023-04-29 10:35:48 -07:00
isofs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
jbd2
jdb2: Don't refuse invalidation of already invalidated buffers
2023-04-14 19:38:50 -04:00
jffs2
fs: rename generic posix acl handlers
2023-03-06 09:57:13 +01:00
jfs
write_one_page series
2023-04-24 19:20:27 -07:00
kernfs
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
ksmbd
9 smb3 client fixes, mostly DFS or reconnect related
2023-05-07 10:46:21 -07:00
lockd
NFSD 6.4 Release Notes
2023-04-29 11:04:14 -07:00
minix
Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:01:15 -08:00
netfs
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
nfs
nfs: fix another case of NULL/IS_ERR confusion wrt folio pointers
2023-05-09 10:22:13 -07:00
nfs_common
NFSv4.2: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:52 -07:00
nfsd
NFSD 6.4 Release Notes
2023-04-29 11:04:14 -07:00
nilfs2
nilfs2: do not write dirty data after degenerating to read-only
2023-05-06 10:10:07 -07:00
nls
…
notify
inotify: Avoid reporting event with invalid wd
2023-04-25 12:36:55 +02:00
ntfs
ntfs: simplfy one-level sysctl registration for ntfs_sysctls
2023-04-13 11:49:35 -07:00
ntfs3
driver ntfs3 for linux 6.4
2023-04-29 10:52:37 -07:00
ocfs2
Mainly singleton patches all over the place. Series of note are:
2023-04-27 19:57:00 -07:00
omfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
openpromfs
…
orangefs
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
overlayfs
ovl: check for ->listxattr() support
2023-03-06 09:57:13 +01:00
proc
sysctl: remove register_sysctl_paths()
2023-05-02 19:24:16 -07:00
pstore
pstore update for v6.4-rc1
2023-04-27 17:03:40 -07:00
qnx4
qnx4: credit contributors in CREDITS
2023-03-14 12:56:30 -06:00
qnx6
qnx6: credit contributor and mark filesystem orphan
2023-03-14 12:56:30 -06:00
quota
quota: mark PRINT_QUOTA_WARNING as BROKEN
2023-04-14 13:06:50 +02:00
ramfs
mm, treewide: redefine MAX_ORDER sanely
2023-04-05 19:42:46 -07:00
reiserfs
\n
2023-04-26 09:07:46 -07:00
romfs
mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_mapping()
2023-01-18 17:12:56 -08:00
smbfs_common
SMB3.1.1: correct definition for app_instance_id create contexts
2023-05-02 09:23:23 -05:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-03 17:52:25 -08:00
sysfs
…
sysv
sysv: switch to put_and_unmap_page()
2023-03-12 20:03:41 -04:00
tracefs
fs: port ->mkdir() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
ubifs
ubifs: Fix memleak when insert_old_idx() failed
2023-04-23 23:36:38 +02:00
udf
udf: use wrapper i_blocksize() in udf_discard_prealloc()
2023-03-13 11:16:16 +01:00
ufs
ufs: don't flush page immediately for DIRSYNC directories
2023-03-28 16:20:14 -07:00
unicode
unicode: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:54 -07:00
vboxsf
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
verity
fsverity: reject FS_IOC_ENABLE_VERITY on mode 3 fds
2023-04-11 19:23:23 -07:00
xfs
xfs: bug fixes for 6.4-rc2
2023-05-11 16:51:11 -05:00
zonefs
zonefs: Do not propagate iomap_dio_rw() ENOTBLK error to user space
2023-03-30 20:56:02 +09:00
aio.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2023-02-10 15:34:48 -08:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
nfs: use vfs setgid helper
2023-03-30 08:51:48 +02:00
bad_inode.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
binfmt_elf_fdpic.c
ELF: fix all "Elf" typos
2023-04-08 13:45:37 -07:00
binfmt_elf_test.c
…
binfmt_elf.c
Mainly singleton patches all over the place. Series of note are:
2023-04-27 19:57:00 -07:00
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-02 13:57:04 -08:00
binfmt_script.c
…
buffer.c
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
…
coredump.c
mm: hwpoison: coredump: support recovery from dump_user_range()
2023-05-02 17:21:50 -07:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
fsdax: force clear dirty mark if CoW
2023-04-05 18:06:23 -07:00
dcache.c
tmpfile API change
2022-10-10 19:45:17 -07:00
direct-io.c
__blockdev_direct_IO(): get rid of submit_io callback
2023-03-05 20:27:41 -05:00
drop_caches.c
…
eventfd.c
eventfd: use wait_event_interruptible_locked_irq() helper
2023-04-06 10:01:50 +02:00
eventpoll.c
Mainly singleton patches all over the place. Series of note are:
2023-04-27 19:57:00 -07:00
exec.c
tracing updates for 6.4:
2023-04-28 15:57:53 -07:00
fcntl.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
filelock: move file locking definitions to separate header file
2023-01-11 06:52:32 -05:00
file.c
fs: prevent out-of-bounds array speculation when closing a file descriptor
2023-03-09 22:46:21 -05:00
filesystems.c
…
fs_context.c
…
fs_parser.c
ext4: journal_path mount options should follow links
2022-12-01 10:46:54 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
for-6.4/block-2023-05-06
2023-05-06 08:28:58 -07:00
fsopen.c
…
init.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
inode.c
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
internal.h
five ksmbd server fixes, and new lock_rename_child VFS helper routine
2023-04-29 11:10:39 -07:00
ioctl.c
fs: port inode_owner_or_capable() to mnt_idmap
2023-01-19 09:24:29 +01:00
Kconfig
mm/hugetlb_vmemmap: rename ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
2023-04-18 16:30:09 -07:00
Kconfig.binfmt
Xtensa updates for v6.1
2022-10-10 14:21:11 -07:00
kernel_read_file.c
…
libfs.c
fs: consolidate duplicate dt_type helpers
2023-04-03 09:23:54 +02:00
locks.c
filelocks: use mount idmapping for setlease permission check
2023-03-09 22:36:12 +01:00
Makefile
This pull request contains the following changes for UML:
2023-05-03 19:02:03 -07:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2022-12-08 21:49:25 -05:00
mnt_idmapping.c
fs: move mnt_idmap
2023-01-19 09:24:30 +01:00
mount.h
…
mpage.c
mpage: use folios in bio end_io handler
2023-04-18 16:30:02 -07:00
namei.c
five ksmbd server fixes, and new lock_rename_child VFS helper routine
2023-04-29 11:10:39 -07:00
namespace.c
fget() to fdget() conversions
2023-04-24 19:14:20 -07:00
no-block.c
…
nsfs.c
kill the last remaining user of proc_ns_fget()
2023-04-20 22:55:35 -04:00
open.c
open: return EINVAL for O_DIRECTORY | O_CREAT
2023-03-22 11:06:55 +01:00
pipe.c
pipe: check for IOCB_NOWAIT alongside O_NONBLOCK
2023-05-12 17:17:27 +02:00
pnode.c
pnode: pass mountpoint directly
2023-04-06 14:53:38 +02:00
pnode.h
…
posix_acl.c
acl: don't depend on IOP_XATTR
2023-03-06 09:59:20 +01:00
proc_namespace.c
…
read_write.c
iov_iter: add iter_iov_addr() and iter_iov_len() helpers
2023-03-30 08:12:29 -06:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap
2023-01-19 09:24:29 +01:00
select.c
…
seq_file.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
signalfd.c
…
splice.c
pipe-nonblock-2023-05-06
2023-05-06 08:15:20 -07:00
stack.c
…
stat.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
statfs.c
…
super.c
mm: shrinkers: convert shrinker_rwsem to mutex
2023-03-28 16:20:17 -07:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
utimes.c
fs.idmapped.v6.3
2023-02-20 11:53:11 -08:00
xattr.c
acl: don't depend on IOP_XATTR
2023-03-06 09:59:20 +01:00