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Jun Nie a458a8c1d1 ext4: refuse to create ea block when umounted 
commit f31173c199 upstream.

The ea block expansion need to access s_root while it is
already set as NULL when umount is triggered. Refuse this
request to avoid panic.

Reported-by: syzbot+2dacb8f015bf1420155f@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=3613786cb88c93aa1c6a279b1df6a7b201347d08
Link: https://lore.kernel.org/r/20230103014517.495275-3-jun.nie@linaro.org
Cc: stable@kernel.org
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-10 09:29:42 +01:00
..
9p
Merge tag '9p-for-6.2-rc1' of https://github.com/martinetd/linux
2022-12-23 11:39:18 -08:00
adfs
…
affs
affs: initialize fsdata in affs_truncate()
2023-01-10 14:55:20 +01:00
afs
rxrpc: Move call state changes from recvmsg to I/O thread
2023-01-06 09:43:33 +00:00
autofs
…
befs
…
bfs
…
btrfs
btrfs: sysfs: update fs features directory asynchronously
2023-03-10 09:29:27 +01:00
cachefiles
fscache,cachefiles: add prepare_ondemand_read() callback
2022-12-07 10:56:29 +08:00
ceph
ceph: flush cap releases when the session is flushed
2023-02-07 16:55:14 +01:00
cifs
cifs: return a single-use cfid if we did not get a lease
2023-03-10 09:29:26 +01:00
coda
coda: Avoid partial allocation of sig_inputArgs
2023-03-10 09:29:12 +01:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2022-12-02 11:11:22 +01:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-10 09:29:31 +01:00
crypto
Merge tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux
2022-12-13 10:43:59 -08:00
debugfs
debugfs: fix error when writing negative value to atomic_t debugfs file
2022-11-30 16:13:16 -08:00
devpts
…
dlm
fs: dlm: send FIN ack back in right cases
2023-03-10 09:29:30 +01:00
ecryptfs
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efivarfs
efi: vars: prohibit reading random seed variables
2022-12-01 09:51:21 +01:00
efs
…
erofs
erofs: relinquish volume with mutex held
2023-03-10 09:27:57 +01:00
exfat
exfat: fix inode->i_blocks for non-512 byte sector size device
2023-03-10 09:29:29 +01:00
exportfs
…
ext2
Merge tag 'fixes_for_v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2022-12-12 20:32:50 -08:00
ext4
ext4: refuse to create ea block when umounted
2023-03-10 09:29:42 +01:00
f2fs
f2fs: Revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
2023-03-10 09:29:31 +01:00
fat
Merge tag 'mm-stable-2022-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-12-13 19:29:45 -08:00
freevxfs
freevxfs: Kconfig: fix spelling
2023-01-31 16:44:08 -08:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-01-30 12:51:54 +00:00
fuse
fuse: fixes after adapting to new posix acl api
2023-01-24 16:33:37 +01:00
gfs2
gfs2: Improve gfs2_make_fs_rw error handling
2023-03-10 09:29:19 +01:00
hfs
hfs: fix missing hfs_bnode_get() in __hfs_bnode_create
2023-03-10 09:29:28 +01:00
hfsplus
fs: hfsplus: fix UAF issue in hfsplus_put_super
2023-03-10 09:29:28 +01:00
hostfs
…
hpfs
hpfs: remove ->writepage
2022-12-11 18:12:18 -08:00
hugetlbfs
hugetlbfs: inode: remove unnecessary (void*) conversions
2022-11-30 15:58:56 -08:00
iomap
Merge tag 'xfs-6.2-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2022-12-14 10:11:51 -08:00
isofs
…
jbd2
jbd2: fix data missing when reusing bh which is ready to be checkpointed
2023-03-10 09:29:42 +01:00
jffs2
…
jfs
Merge tag 'mm-stable-2022-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-12-13 19:29:45 -08:00
kernfs
…
ksmbd
ksmbd: fix possible memory leak in smb2_lock()
2023-03-10 09:29:28 +01:00
lockd
sysctl: fix proc_dobool() usability
2023-03-10 09:28:46 +01:00
minix
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netfs
…
nfs
NFS: fix disabling of swap
2023-03-10 09:28:40 +01:00
nfs_common
…
nfsd
nfsd: don't hand out delegation on setuid files being opened for write
2023-03-10 09:29:21 +01:00
nilfs2
nilfs2: fix underflow in second superblock position calculations
2023-02-17 15:07:05 -08:00
nls
…
notify
…
ntfs
…
ntfs3
fs/ntfs3: don't hold ni_lock when calling truncate_setsize()
2023-01-02 10:31:09 -08:00
ocfs2
ocfs2: fix non-auto defrag path not working issue
2023-03-10 09:29:31 +01:00
omfs
omfs: remove ->writepage
2022-12-11 18:12:18 -08:00
openpromfs
…
orangefs
Merge tag 'for-linus-6.2-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
2022-12-14 11:16:33 -08:00
overlayfs
ovl: fail on invalid uid/gid mapping at copy up
2023-01-27 16:17:19 +01:00
proc
sysctl: fix proc_dobool() usability
2023-03-10 09:28:46 +01:00
pstore
Merge tag 'pstore-v6.2-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2022-12-23 11:55:54 -08:00
qnx4
…
qnx6
…
quota
ext4: fix bug_on in __es_tree_search caused by bad quota inode
2022-12-08 21:49:23 -05:00
ramfs
…
reiserfs
Merge tag 'lsm-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
2022-12-13 09:47:48 -08:00
romfs
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smbfs_common
…
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-03 17:52:25 -08:00
sysfs
…
sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2022-12-10 14:13:37 -05:00
tracefs
…
ubifs
…
udf
udf: Fix file corruption when appending just after end of preallocated extent
2023-03-10 09:29:32 +01:00
ufs
…
unicode
…
vboxsf
…
verity
…
xfs
xfs: fix extent busy updating
2023-01-05 07:34:21 -08:00
zonefs
zonefs: Detect append writes at invalid locations
2023-01-16 08:42:12 +09:00
aio.c
aio: fix mremap after fork null-deref
2023-02-03 17:52:24 -08:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_elf_fdpic.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-05 15:12:12 +00:00
binfmt_elf_test.c
…
binfmt_elf.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-05 15:12:12 +00:00
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
…
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
coredump: Move dump_emit_page() to kill unused warning
2023-01-10 21:03:01 -05:00
d_path.c
…
dax.c
fsdax: dax_unshare_iter() should return a valid length
2023-02-03 17:52:24 -08:00
dcache.c
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direct-io.c
…
drop_caches.c
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eventfd.c
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eventpoll.c
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exec.c
Merge tag 'fs.vfsuid.conversion.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2022-12-12 19:20:05 -08:00
fcntl.c
…
fhandle.c
…
file_table.c
…
file.c
…
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
Merge tag 'for-6.2/writeback-2022-12-12' of git://git.kernel.dk/linux
2022-12-15 18:09:48 -08:00
fsopen.c
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init.c
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inode.c
Merge tag 'fs.vfsuid.conversion.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2022-12-12 19:20:05 -08:00
internal.h
Merge tag 'fs.ovl.setgid.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2022-12-12 19:03:10 -08:00
ioctl.c
…
Kconfig
…
Kconfig.binfmt
…
kernel_read_file.c
…
libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2022-11-30 16:13:16 -08:00
locks.c
…
Makefile
…
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2022-12-08 21:49:25 -05:00
mount.h
…
mpage.c
…
namei.c
Merge tag 'landlock-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
2022-12-13 09:14:50 -08:00
namespace.c
Merge tag 'fs.idmapped.mnt_idmap.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2022-12-12 19:30:18 -08:00
no-block.c
…
nsfs.c
…
open.c
fs: Use CHECK_DATA_CORRUPTION() when kernel bugs are detected
2023-03-10 09:29:05 +01:00
pipe.c
…
pnode.c
pnode: terminate at peers of source
2022-12-21 14:45:25 +01:00
pnode.h
…
posix_acl.c
Merge tag 'fs.idmapped.mnt_idmap.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2022-12-12 19:30:18 -08:00
proc_namespace.c
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read_write.c
Merge tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-12-12 18:29:54 -08:00
readdir.c
…
remap_range.c
Merge tag 'vfs-6.2-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2022-12-13 10:26:38 -08:00
select.c
…
seq_file.c
…
signalfd.c
…
splice.c
…
stack.c
…
stat.c
…
statfs.c
…
super.c
fs: Use CHECK_DATA_CORRUPTION() when kernel bugs are detected
2023-03-10 09:29:05 +01:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
mm/userfaultfd: enable writenotify while userfaultfd-wp is enabled for a VMA
2023-01-11 16:14:20 -08:00
utimes.c
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xattr.c
Merge tag 'fs.xattr.simple.rework.rbtree.rwlock.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2022-12-13 10:08:36 -08:00