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Xiangsheng Hou c3e31d6139 virtiofs: add filesystem context source name check 
commit a94fd938df upstream.

In certain scenarios, for example, during fuzz testing, the source
name may be NULL, which could lead to a kernel panic. Therefore, an
extra check for the source name should be added.

Fixes: a62a8ef9d9 ("virtio-fs: add virtiofs filesystem")
Cc: <stable@vger.kernel.org> # all LTS kernels
Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Link: https://lore.kernel.org/20250407115111.25535-1-xiangsheng.hou@mediatek.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-04-25 10:47:55 +02:00
..
9p
fs/9p: fix NULL pointer dereference on mkdir
2025-04-10 14:39:32 +02:00
adfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
affs
affs: don't write overlarge OFS data block size fields
2025-04-10 14:39:29 +02:00
afs
afs: Give an afs_server object a ref on the afs_cell object it points to
2025-03-07 18:25:29 +01:00
autofs
autofs: fix thinko in validate_dev_ioctl()
2024-10-28 13:16:56 +01:00
bcachefs
bcachefs: bch2_ioctl_subvolume_destroy() fixes
2025-04-07 10:08:37 +02:00
befs
…
bfs
…
btrfs
btrfs: correctly escape subvol in btrfs_show_options()
2025-04-25 10:47:51 +02:00
cachefiles
cachefiles: Parse the "secctx" immediately
2025-01-23 17:22:55 +01:00
ceph
ceph: fix memory leak in ceph_mds_auth_match()
2025-02-17 10:05:37 +01:00
coda
…
configfs
…
cramfs
…
crypto
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
debugfs
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
devpts
…
dlm
dlm: fix error if active rsb is not hashed
2025-04-20 10:15:53 +02:00
ecryptfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
efivarfs
efivarfs: Fix error on non-existent file
2024-12-27 14:02:07 +01:00
efs
efs: fix the efs new mount api implementation
2024-12-05 14:01:10 +01:00
erofs
erofs: set error to bio if file-backed IO fails
2025-04-20 10:15:28 +02:00
exfat
exfat: fix potential wrong error return from get_block
2025-04-10 14:39:39 +02:00
exportfs
…
ext2
…
ext4
ext4: fix off-by-one error in do_split
2025-04-20 10:15:42 +02:00
f2fs
f2fs: fix to avoid atomicity corruption of atomic file
2025-04-20 10:15:42 +02:00
fat
fat: fix uninitialized variable
2024-10-17 00:28:06 -07:00
freevxfs
…
fuse
virtiofs: add filesystem context source name check
2025-04-25 10:47:55 +02:00
gfs2
gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag
2025-02-01 18:39:37 +01:00
hfs
hfs/hfsplus: fix slab-out-of-bounds in hfs_bnode_read_key
2025-04-25 10:47:52 +02:00
hfsplus
hfs/hfsplus: fix slab-out-of-bounds in hfs_bnode_read_key
2025-04-25 10:47:52 +02:00
hostfs
um: hostfs: avoid issues on inode number reuse by host
2025-04-10 14:39:25 +02:00
hpfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
hugetlbfs
mm: use aligned address in clear_gigantic_page()
2024-12-27 14:02:20 +01:00
iomap
iomap: avoid avoid truncating 64-bit offset to 32 bits
2025-01-23 17:22:56 +01:00
isofs
isofs: Prevent the use of too small fid
2025-04-25 10:47:52 +02:00
jbd2
jbd2: remove wrong sb->s_sequence check
2025-04-20 10:15:44 +02:00
jffs2
jffs2: Fix rtime decompressor
2024-12-14 20:04:14 +01:00
jfs
jfs: add sanity check for agwidth in dbMount
2025-04-20 10:15:19 +02:00
kernfs
…
lockd
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
minix
…
netfs
netfs: Fix netfs_unbuffered_read() to return ssize_t rather than int
2025-04-10 14:39:31 +02:00
nfs
nfs: add missing selections of CONFIG_CRC32
2025-04-25 10:47:50 +02:00
nfs_common
nfs: fix incorrect error handling in LOCALIO
2025-02-08 09:57:59 +01:00
nfsd
nfsd: decrease sc_count directly if fail to queue dl_recall
2025-04-25 10:47:51 +02:00
nilfs2
nilfs2: fix possible int overflows in nilfs_fiemap()
2025-02-17 10:05:39 +01:00
nls
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
notify
fs: relax assertions on failure to encode file handles
2025-01-17 13:40:46 +01:00
ntfs3
fs/ntfs3: Prevent integer overflow in hdr_first_de()
2025-04-10 14:39:23 +02:00
ocfs2
ocfs2: validate l_tree_depth to avoid out-of-bounds access
2025-04-10 14:39:24 +02:00
omfs
…
openpromfs
…
orangefs
orangefs: fix a oob in orangefs_debug_write
2025-02-21 14:01:27 +01:00
overlayfs
ovl: don't allow datadir only
2025-04-25 10:47:53 +02:00
proc
fs/procfs: fix the comment above proc_pid_wchan()
2025-04-10 14:39:26 +02:00
pstore
pstore/blk: trivial typo fixes
2025-02-08 09:56:51 +01:00
qnx4
…
qnx6
fs/qnx6: Fix building with GCC 15
2025-01-23 17:22:55 +01:00
quota
quota: flush quota_release_work upon quota writeback
2024-12-09 10:40:55 +01:00
ramfs
…
reiserfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
romfs
…
smb
smb3 client: fix open hardlink on deferred close file error
2025-04-25 10:47:55 +02:00
squashfs
Squashfs: fix variable overflow in squashfs_readpage_block
2024-10-30 20:14:12 -07:00
sysfs
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sysv
…
tests
…
tracefs
tracing: Fix tracefs mount options
2024-11-01 08:38:14 -04:00
ubifs
ubifs: skip dumping tnc tree when zroot is null
2025-02-08 09:58:01 +01:00
udf
udf: Fix inode_getblk() return value
2025-04-20 10:15:43 +02:00
ufs
ufs_rename(): fix bogus argument of folio_release_kmap()
2024-10-02 00:05:09 -04:00
unicode
Revert "unicode: Don't special case ignorable code points"
2024-12-14 20:04:13 +01:00
vboxsf
vboxsf: fix building with GCC 15
2025-03-22 12:54:15 -07:00
verity
…
xfs
xfs: fix online repair probing when CONFIG_XFS_ONLINE_REPAIR=n
2025-02-27 04:30:22 -08:00
zonefs
Merge tag 'zonefs-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
2024-10-02 12:02:15 -07:00
aio.c
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anon_inodes.c
…
attr.c
…
backing-file.c
fs: pass offset and result to backing_file end_write() callback
2024-10-16 13:17:45 +02:00
bad_inode.c
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binfmt_elf_fdpic.c
Revert "fs: don't block i_writecount during exec"
2024-12-05 14:02:50 +01:00
binfmt_elf.c
Revert "fs: don't block i_writecount during exec"
2024-12-05 14:02:50 +01:00
binfmt_flat.c
binfmt_flat: Fix integer overflow bug on 32 bit systems
2025-02-17 10:05:04 +01:00
binfmt_misc.c
Revert "fs: don't block i_writecount during exec"
2024-12-05 14:02:50 +01:00
binfmt_script.c
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bpf_fs_kfuncs.c
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buffer.c
fs/writeback: convert wbc_account_cgroup_owner to take a folio
2025-01-17 13:40:33 +01:00
char_dev.c
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compat_binfmt_elf.c
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coredump.c
coredump: Only sort VMAs when core_sort_vma sysctl is set
2025-03-13 13:02:01 +01:00
d_path.c
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dax.c
fsdax: dax_unshare_iter needs to copy entire blocks
2024-10-07 13:51:47 +02:00
dcache.c
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direct-io.c
…
drop_caches.c
…
eventfd.c
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eventpoll.c
epoll: Add synchronous wakeup support for ep_poll_callback
2024-12-27 14:02:20 +01:00
exec.c
exec: fix the racy usage of fs_struct->in_exec
2025-04-10 14:39:40 +02:00
fcntl.c
fcntl: make F_DUPFD_QUERY associative
2024-12-05 14:02:47 +01:00
fhandle.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
file_table.c
fs: fix proc_handler for sysctl_nr_open
2025-02-08 09:56:50 +01:00
file.c
fs: consistently deref the files table with rcu_dereference_raw()
2025-04-20 10:15:10 +02:00
filesystems.c
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fs_context.c
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fs_parser.c
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fs_pin.c
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fs_struct.c
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fs_types.c
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fs-writeback.c
fs/writeback: convert wbc_account_cgroup_owner to take a folio
2025-01-17 13:40:33 +01:00
fsopen.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
init.c
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inode.c
bcachefs: do not use PF_MEMALLOC_NORECLAIM
2024-10-09 12:47:18 -07:00
internal.h
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ioctl.c
…
Kconfig
nfs: add missing selections of CONFIG_CRC32
2025-04-25 10:47:50 +02:00
Kconfig.binfmt
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kernel_read_file.c
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libfs.c
libfs: Fix duplicate directory entry in offset_dir_lookup
2025-03-28 22:03:28 +01:00
locks.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
Makefile
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mbcache.c
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mnt_idmapping.c
Merge tag 'fuse-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2024-09-24 15:29:42 -07:00
mount.h
fs: kill MNT_ONRB
2025-01-17 13:40:50 +01:00
mpage.c
fs/writeback: convert wbc_account_cgroup_owner to take a folio
2025-01-17 13:40:33 +01:00
namei.c
fuse: don't truncate cached, mutated symlink
2025-03-22 12:54:20 -07:00
namespace.c
umount: Allow superblock owners to force umount
2025-04-20 10:15:10 +02:00
nsfs.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
open.c
openat2: explicitly return -E2BIG for (usize > PAGE_SIZE)
2024-10-10 12:09:03 +02:00
pidfs.c
pidfs: check for valid pid namespace
2024-09-27 18:29:19 +02:00
pipe.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
pnode.c
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pnode.h
…
posix_acl.c
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proc_namespace.c
…
read_write.c
fs/block: Check for IOCB_DIRECT in generic_atomic_write_valid()
2024-12-05 14:01:11 +01:00
readdir.c
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remap_range.c
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select.c
select: Fix unbalanced user_access_end()
2025-02-08 09:56:53 +01:00
seq_file.c
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signalfd.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
splice.c
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stack.c
…
stat.c
…
statfs.c
…
super.c
fs/super.c: introduce get_tree_bdev_flags()
2024-10-21 14:30:26 +02:00
sync.c
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sysctls.c
…
timerfd.c
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userfaultfd.c
mm/userfaultfd: fix release hang over concurrent GUP
2025-04-20 10:15:49 +02:00
utimes.c
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xattr.c
…