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Fedor Pchelkin 9e2388d814 NFSv4.2: fix error handling in nfs42_proc_getxattr 
[ Upstream commit 4e3733fd2b ]

There is a slight issue with error handling code inside
nfs42_proc_getxattr(). If page allocating loop fails then we free the
failing page array element which is NULL but __free_page() can't deal with
NULL args.

Found by Linux Verification Center (linuxtesting.org).

Fixes: a1f26739cc ("NFSv4.2: improve page handling for GETXATTR")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-08-30 14:52:27 +02:00
..
9p fs/9p: remove unnecessary invalidate_inode_pages2 2023-08-03 10:26:12 +02:00
adfs
affs for-6.3/dio-2023-02-16 2023-02-20 14:10:36 -08:00
afs afs: Fix accidental truncation when storing data 2023-07-19 16:36:48 +02:00
autofs
befs
bfs
btrfs btrfs: only subtract from len_to_oe_boundary when it is tracking an extent 2023-08-23 17:32:39 +02:00
cachefiles fs/cachefiles: simplify one-level sysctl registration for cachefiles_sysctls 2023-04-13 11:49:35 -07:00
ceph ceph: try to dump the msgs when decoding fails 2023-08-23 17:32:32 +02:00
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 fs: dlm: fix missing pending to false 2023-07-23 13:54:02 +02:00
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 wrong primary bvec selection on deduplicated extents 2023-08-11 12:14:08 +02:00
exfat exfat: release s_lock before calling dir_emit() 2023-08-11 12:14:20 +02:00
exportfs
ext2 ext2: Drop fragment support 2023-08-11 12:14:25 +02:00
ext4 ext4: fix rbtree traversal bug in ext4_mb_use_preallocated 2023-08-03 10:25:47 +02:00
f2fs f2fs: fix to do sanity check on direct node in truncate_dnode() 2023-08-11 12:14:26 +02:00
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
fuse fuse: ioctl: translate ENOSYS in outarg 2023-07-27 08:56:35 +02:00
gfs2 gfs2: Fix possible data races in gfs2_show_options() 2023-08-23 17:32:31 +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
hugetlbfs hugetlb: revert use of page_cache_next_miss() 2023-07-05 18:30:30 +01:00
iomap New code for 6.4: 2023-04-29 10:35:48 -07:00
isofs
jbd2 jbd2: Fix wrongly judgement for buffer head removing while doing checkpoint 2023-08-03 10:25:41 +02:00
jffs2 jffs2: reduce stack usage in jffs2_build_xattr_subsystem() 2023-07-19 16:36:54 +02:00
jfs FS: JFS: Check for read-only mounted filesystem in txBegin 2023-07-27 08:56:45 +02:00
kernfs kernfs: fix missing kernfs_idr_lock to remove an ID from the IDR 2023-07-19 16:36:33 +02:00
lockd lockd: drop inappropriate svc_get() from locked_get() 2023-07-19 16:35:09 +02:00
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 crypto, cifs: fix error handling in extract_iter_to_sg() 2023-08-23 17:32:23 +02:00
nfs NFSv4.2: fix error handling in nfs42_proc_getxattr 2023-08-30 14:52:27 +02:00
nfs_common NFSv4.2: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:52 -07:00
nfsd nfsd: Remove incorrect check in nfsd4_validate_stateid 2023-08-03 10:26:08 +02:00
nilfs2 nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput 2023-08-16 18:32:20 +02:00
nls
notify fanotify: disallow mount/sb marks on kernel internal pseudo fs 2023-07-19 16:36:48 +02:00
ntfs ntfs: simplfy one-level sysctl registration for ntfs_sysctls 2023-04-13 11:49:35 -07:00
ntfs3 fs/ntfs3: Alternative boot if primary boot is corrupted 2023-08-23 17:32:33 +02:00
ocfs2 ocfs2: Fix use of slab data with sendpage 2023-07-19 16:35:36 +02:00
omfs
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 type and offset of struct vfsmount in ovl_entry 2023-07-27 08:56:44 +02:00
proc fs/proc/kcore: reinstate bounce buffer for KCORE_TEXT regions 2023-08-16 18:32:20 +02:00
pstore pstore/ram: Add check for kstrdup 2023-07-19 16:35:20 +02:00
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: fix warning in dqgrab() 2023-07-27 08:56:43 +02:00
ramfs shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs 2023-07-19 16:36:54 +02:00
reiserfs reiserfs: Initialize sec->length in reiserfs_security_init(). 2023-07-19 16:35:19 +02:00
romfs
smb smb: client: fix null auth 2023-08-23 17:32:52 +02:00
squashfs
sysfs
sysv fs/sysv: Null check to prevent null-ptr-deref bug 2023-08-11 12:14:24 +02:00
tracefs
ubifs ubifs: Fix memleak when insert_old_idx() failed 2023-04-23 23:36:38 +02:00
udf udf: Fix uninitialized array access for some pathnames 2023-07-27 08:56:44 +02:00
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
verity fsverity: don't use bio_first_page_all() in fsverity_verify_bio() 2023-07-19 16:35:08 +02:00
xfs xfs: collect errors from inodegc for unlinked inode recovery 2023-06-05 14:48:15 +10:00
zonefs zonefs: Do not propagate iomap_dio_rw() ENOTBLK error to user space 2023-03-30 20:56:02 +09:00
aio.c
anon_inodes.c
attr.c nfs: use vfs setgid helper 2023-03-30 08:51:48 +02:00
bad_inode.c
binfmt_elf.c mm: always expand the stack with the mmap write lock held 2023-07-01 13:12:40 +02:00
binfmt_elf_fdpic.c ELF: fix all "Elf" typos 2023-04-08 13:45:37 -07:00
binfmt_elf_test.c
binfmt_flat.c
binfmt_misc.c
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
compat_binfmt_elf.c
coredump.c fork, vhost: Use CLONE_THREAD to fix freezer/ps regression 2023-06-01 17:15:33 -04:00
d_path.c
dax.c fsdax: force clear dirty mark if CoW 2023-04-05 18:06:23 -07:00
dcache.c
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 epoll: ep_autoremove_wake_function should use list_del_init_careful 2023-06-12 11:31:52 -07:00
exec.c mm: always expand the stack with the mmap write lock held 2023-07-01 13:12:40 +02:00
fcntl.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
fhandle.c
file.c file: reinstate f_pos locking optimization for regular files 2023-08-11 12:14:24 +02:00
file_table.c
filesystems.c
fs-writeback.c for-6.4/block-2023-05-06 2023-05-06 08:28:58 -07:00
fs_context.c fs: avoid empty option when generating legacy mount string 2023-07-19 16:36:54 +02:00
fs_parser.c
fs_pin.c
fs_struct.c
fs_types.c
fsopen.c
init.c
inode.c fs: Establish locking order for unrelated directories 2023-07-19 16:36:55 +02:00
internal.h fs: Establish locking order for unrelated directories 2023-07-19 16:36:55 +02:00
ioctl.c
Kconfig smb: move client and server files to common directory fs/smb 2023-05-24 16:29:21 -05:00
Kconfig.binfmt
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 smb: move client and server files to common directory fs/smb 2023-05-24 16:29:21 -05:00
mbcache.c
mnt_idmapping.c
mount.h
mpage.c mpage: use folios in bio end_io handler 2023-04-18 16:30:02 -07:00
namei.c fs: no need to check source 2023-07-19 16:36:59 +02:00
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: make RESOLVE_CACHED correctly test for O_TMPFILE 2023-08-11 12:14:23 +02:00
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
remap_range.c
select.c
seq_file.c
signalfd.c
splice.c splice: don't call file_accessed in copy_splice_read 2023-07-19 16:35:11 +02:00
stack.c
stat.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
statfs.c statfs: enforce statfs[64] structure initialization 2023-05-17 15:20:17 +02:00
super.c fs: Protect reconfiguration of sb read-write from racing writes 2023-08-11 12:14:25 +02:00
sync.c
sysctls.c
timerfd.c
userfaultfd.c mm/uffd: allow vma to merge as much as possible 2023-06-12 11:31:50 -07:00
utimes.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
xattr.c fs: don't call posix_acl_listxattr in generic_listxattr 2023-05-17 15:25:20 +02:00