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Theodore Ts'oandGreg Kroah-Hartman d87a4e4094 ext4: remove a BUG_ON in ext4_mb_release_group_pa() 
commit 463808f237 upstream.

If a malicious fuzzer overwrites the ext4 superblock while it is
mounted such that the s_first_data_block is set to a very large
number, the calculation of the block group can underflow, and trigger
a BUG_ON check.  Change this to be an ext4_warning so that we don't
crash the kernel.

Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20230430154311.579720-3-tytso@mit.edu
Reported-by: syzbot+e2efa3efc15a1c9e95c3@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=69b28112e098b070f639efb356393af3ffec4220
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-17 11:53:58 +02:00
..
9p
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
adfs
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affs
affs: initialize fsdata in affs_truncate()
2023-02-01 08:34:08 +01:00
afs
afs: Avoid endless loop if file is larger than expected
2023-05-11 23:03:38 +09:00
autofs
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befs
…
bfs
…
btrfs
btrfs: zoned: fix full zone super block reading on ZNS
2023-05-17 11:53:43 +02:00
cachefiles
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ceph
ceph: fix potential use-after-free bug when trimming caps
2023-05-11 23:03:05 +09:00
cifs
SMB3: force unmount was failing to close deferred close files
2023-05-17 11:53:44 +02:00
coda
coda: Avoid partial allocation of sig_inputArgs
2023-03-10 09:33:52 +01:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2022-12-31 13:32:22 +01:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-10 09:34:09 +01:00
crypto
blk-crypto: add a blk_crypto_config_supported_natively helper
2023-05-11 23:03:00 +09:00
debugfs
debugfs: fix error when writing negative value to atomic_t debugfs file
2022-12-31 13:31:58 +01:00
devpts
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dlm
fs: dlm: fix race setting stop tx flag
2023-03-17 08:50:19 +01:00
ecryptfs
Merge tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-06 17:31:02 -07:00
efivarfs
efi: efivars: Fix variable writes without query_variable_store()
2022-10-21 11:09:40 +02:00
efs
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erofs
erofs: fix potential overflow calculating xattr_isize
2023-05-11 23:03:07 +09:00
exfat
exfat: fix inode->i_blocks for non-512 byte sector size device
2023-03-10 09:34:08 +01:00
exportfs
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ext2
ext2: unbugger ext2_empty_dir()
2023-01-07 11:11:40 +01:00
ext4
ext4: remove a BUG_ON in ext4_mb_release_group_pa()
2023-05-17 11:53:58 +02:00
f2fs
f2fs: factor out victim_entry usage from general rb_tree use
2023-05-17 11:53:53 +02:00
fat
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
freevxfs
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fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-02-22 12:59:43 +01:00
fuse
fuse: always revalidate rename target dentry
2023-04-26 14:28:42 +02:00
gfs2
gfs2: Improve gfs2_make_fs_rw error handling
2023-03-10 09:33:59 +01:00
hfs
hfs: fix missing hfs_bnode_get() in __hfs_bnode_create
2023-03-10 09:34:07 +01:00
hfsplus
fs: hfsplus: fix UAF issue in hfsplus_put_super
2023-03-10 09:34:07 +01:00
hostfs
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hpfs
…
hugetlbfs
hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()
2022-12-31 13:33:05 +01:00
iomap
iomap: add a tracepoint for mappings returned by map_blocks
2022-10-02 11:42:19 -07:00
isofs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
jbd2
jdb2: Don't refuse invalidation of already invalidated buffers
2023-05-11 23:03:23 +09:00
jffs2
jffs2: correct logic when creating a hole in jffs2_write_begin
2023-03-22 13:33:53 +01:00
jfs
fs/jfs: fix shift exponent db_agl2size negative
2023-03-11 13:55:16 +01:00
kernfs
kernfs: Fix spurious lockdep warning in kernfs_find_and_get_node_by_id()
2022-11-10 19:03:42 +01:00
ksmbd
ksmbd: fix racy issue from smb2 close and logoff with multichannel
2023-05-17 11:53:57 +02:00
lockd
lockd: set file_lock start and end when decoding nlm4 testargs
2023-03-30 12:49:23 +02:00
minix
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netfs
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
nfs
NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease
2023-05-11 23:03:34 +09:00
nfs_common
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nfsd
NFSD: callback request does not use correct credential for AUTH_SYS
2023-04-13 16:55:23 +02:00
nilfs2
nilfs2: fix infinite loop in nilfs_mdt_get_block()
2023-05-11 23:03:39 +09:00
nls
…
notify
inotify: Avoid reporting event with invalid wd
2023-05-17 11:53:44 +02:00
ntfs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
ntfs3
fs/ntfs3: Refactoring of various minor issues
2023-05-17 11:53:51 +02:00
ocfs2
ocfs2: fix data corruption after failed write
2023-03-22 13:34:02 +01:00
omfs
…
openpromfs
…
orangefs
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
overlayfs
ovl: Use "buf" flexible array for memcpy() destination
2023-02-09 11:28:26 +01:00
proc
sysctl: clarify register_sysctl_init() base directory order
2023-05-17 11:53:46 +02:00
pstore
pstore: Revert pmsg_lock back to a normal mutex
2023-05-11 23:03:27 +09:00
qnx4
…
qnx6
…
quota
ext4: fix bug_on in __es_tree_search caused by bad quota inode
2023-01-07 11:11:59 +01:00
ramfs
Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-10 19:45:17 -07:00
reiserfs
reiserfs: Add security prefix to xattr name in reiserfs_security_write()
2023-05-11 23:03:02 +09:00
romfs
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smbfs_common
smb3: define missing create contexts
2022-10-05 01:55:27 -05:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-22 12:59:50 +01:00
sysfs
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sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2022-12-31 13:32:00 +01:00
tracefs
…
ubifs
ubifs: Fix memory leak in do_rename
2023-05-11 23:03:05 +09:00
udf
udf: Fix off-by-one error when discarding preallocation
2023-03-17 08:50:19 +01:00
ufs
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unicode
…
vboxsf
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verity
fsverity: don't drop pagecache at end of FS_IOC_ENABLE_VERITY
2023-04-06 12:10:34 +02:00
xfs
xfs: don't consider future format versions valid
2023-05-11 23:03:05 +09:00
zonefs
zonefs: Always invalidate last cached page on append write
2023-04-06 12:10:52 +02:00
aio.c
aio: fix mremap after fork null-deref
2023-02-22 12:59:46 +01:00
anon_inodes.c
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attr.c
attr: use consistent sgid stripping checks
2023-03-03 11:52:25 +01:00
bad_inode.c
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binfmt_elf_fdpic.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-18 11:58:12 +01:00
binfmt_elf_test.c
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binfmt_elf.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-18 11:58:12 +01:00
binfmt_flat.c
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binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-31 13:32:57 +01:00
binfmt_script.c
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buffer.c
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-31 13:32:41 +01:00
compat_binfmt_elf.c
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coredump.c
coredump: Move dump_emit_page() to kill unused warning
2023-02-22 12:59:50 +01:00
d_path.c
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dax.c
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dcache.c
Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-10 19:45:17 -07:00
direct-io.c
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drop_caches.c
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eventfd.c
eventfd: provide a eventfd_signal_mask() helper
2023-01-04 11:28:48 +01:00
eventpoll.c
eventpoll: add EPOLL_URING_WAKE poll wakeup flag
2023-01-04 11:28:47 +01:00
exec.c
Merge tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-29 17:49:33 -07:00
fcntl.c
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fhandle.c
…
file_table.c
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file.c
fs: prevent out-of-bounds array speculation when closing a file descriptor
2023-03-17 08:50:13 +01:00
filesystems.c
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fs_context.c
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fs_parser.c
ext4: journal_path mount options should follow links
2023-01-07 11:11:59 +01:00
fs_pin.c
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fs_struct.c
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fs_types.c
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fs-writeback.c
writeback: fix call of incorrect macro
2023-05-17 11:53:33 +02:00
fsopen.c
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init.c
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inode.c
attr: use consistent sgid stripping checks
2023-03-03 11:52:25 +01:00
internal.h
attr: use consistent sgid stripping checks
2023-03-03 11:52:25 +01:00
ioctl.c
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Kconfig
…
Kconfig.binfmt
Merge tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa
2022-10-10 14:21:11 -07:00
kernel_read_file.c
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libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2022-12-31 13:31:58 +01:00
locks.c
filelocks: use mount idmapping for setlease permission check
2023-03-17 08:50:32 +01:00
Makefile
fs: fix sysctls.c built
2023-05-11 23:03:01 +09:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2023-01-07 11:12:02 +01:00
mount.h
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mpage.c
…
namei.c
vfs: vfs_tmpfile: ensure O_EXCL flag is enforced
2022-11-19 02:22:11 -05:00
namespace.c
fs: drop peer group ids under namespace lock
2023-04-13 16:55:33 +02:00
no-block.c
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nsfs.c
…
open.c
fs: Use CHECK_DATA_CORRUPTION() when kernel bugs are detected
2023-03-10 09:33:46 +01:00
pipe.c
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pnode.c
pnode: terminate at peers of source
2023-01-04 11:29:01 +01:00
pnode.h
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posix_acl.c
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-10 17:53:04 -07:00
proc_namespace.c
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read_write.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
readdir.c
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remap_range.c
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select.c
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seq_file.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
signalfd.c
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splice.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
stack.c
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stat.c
…
statfs.c
…
super.c
fscrypt: destroy keyring after security_sb_delete()
2023-03-30 12:49:23 +02:00
sync.c
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sysctls.c
…
timerfd.c
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userfaultfd.c
Revert "userfaultfd: don't fail on unrecognized features"
2023-04-26 14:28:37 +02:00
utimes.c
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xattr.c
fs: don't audit the capability check in simple_xattr_list()
2022-12-31 13:31:55 +01:00