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linux/fs/ext4
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Jun Nie 05cbf6ddd9 ext4: refuse to create ea block when umounted 
commit f31173c19901a96bb2ebf6bcfec8a08df7095c91 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 09:34:20 +01:00
..
.kunitconfig
ext4: add .kunitconfig fragment to enable ext4-specific tests
2021-02-11 23:16:30 -05:00
acl.c
fs/ext4: fix comments mentioning i_mutex
2022-02-03 10:57:53 -05:00
acl.h
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
balloc.c
ext4: use ext4_debug() instead of jbd_debug()
2022-08-02 23:52:19 -04:00
bitmap.c
…
block_validity.c
ext4: add ext4_sb_block_valid() refactored out of ext4_inode_block_valid()
2022-02-25 21:34:56 -05:00
crypto.c
ext4: refactor and move ext4_ioctl_get_encryption_pwsalt()
2022-05-21 22:24:24 -04:00
dir.c
ext4: fix spelling errors in comments
2022-05-11 15:19:06 -04:00
ext4_extents.h
ext4: fix sparse warnings
2021-08-30 23:36:50 -04:00
ext4_jbd2.c
ext4: use ext4_debug() instead of jbd_debug()
2022-08-02 23:52:19 -04:00
ext4_jbd2.h
fs/ext4: fix comments mentioning i_mutex
2022-02-03 10:57:53 -05:00
ext4.h
ext4: don't set up encryption key during jbd2 transaction
2023-01-07 11:12:00 +01:00
extents_status.c
ext4: fix reserved cluster accounting in __es_remove_extent()
2023-01-07 11:11:59 +01:00
extents_status.h
ext4: fix extent_status trace points
2020-01-25 02:03:03 -05:00
extents.c
ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline
2023-01-07 11:12:01 +01:00
fast_commit.c
ext4: fix off-by-one errors in fast-commit block filling
2023-01-07 11:12:00 +01:00
fast_commit.h
ext4: add missing validation of fast-commit record lengths
2023-01-07 11:12:00 +01:00
file.c
The first two changes that involve files outside of fs/ext4:
2022-10-06 17:45:53 -07:00
fsmap.c
treewide: Change list_sort to use const pointers
2021-04-08 16:04:22 -07:00
fsmap.h
ext4: fsmap: fix the block/inode bitmap comment
2021-06-24 09:48:29 -04:00
fsync.c
block: use an on-stack bio in blkdev_issue_flush
2021-01-27 09:51:48 -07:00
hash.c
unicode: clean up the Kconfig symbol confusion
2022-01-20 19:57:24 -05:00
ialloc.c
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
indirect.c
ext4: fix error code return to user-space in ext4_get_branch()
2023-01-07 11:12:01 +01:00
inline.c
ext4: correct max_inline_xattr_value_size computing
2022-08-02 23:52:44 -04:00
inode-test.c
fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature
2020-12-02 16:07:25 -07:00
inode.c
ext4: avoid unaccounted block allocation when expanding inode
2023-01-07 11:12:02 +01:00
ioctl.c
ext4: initialize quota before expanding inode in setproject ioctl
2023-01-07 11:12:02 +01:00
Kconfig
ext: EXT4_KUNIT_TESTS should depend on EXT4_FS instead of selecting it
2021-02-11 23:12:59 -05:00
Makefile
ext4: move ext4 crypto code to its own file crypto.c
2022-05-21 22:24:24 -04:00
mballoc.c
ext4: fixup possible uninitialized variable access in ext4_mb_choose_next_group_cr1()
2022-09-26 13:21:05 -04:00
mballoc.h
ext4: use buckets for cr 1 block scan instead of rbtree
2022-09-21 22:12:03 -04:00
migrate.c
ext4: fix warning in 'ext4_da_release_space'
2022-11-06 01:07:59 -04:00
mmp.c
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
move_extent.c
ext4: factor out ext4_free_ext_path()
2022-09-30 23:46:54 -04:00
namei.c
ext4: init quota for 'old.inode' in 'ext4_rename'
2023-01-07 11:12:00 +01:00
orphan.c
ext4: remove trailing newline from ext4_msg() message
2023-01-07 11:11:58 +01:00
page-io.c
ext4: fix incorrect comment in ext4_bio_write_page()
2022-06-16 11:03:16 -04:00
readpage.c
fscrypt: stop using PG_error to track error status
2022-09-06 15:15:56 -07:00
resize.c
ext4: fix corrupt backup group descriptors after online resize
2023-01-07 11:12:01 +01:00
super.c
ext4: fix uninititialized value in 'ext4_evict_inode'
2023-01-07 11:12:00 +01:00
symlink.c
ext4: fix reading leftover inlined symlinks
2022-08-02 23:37:50 -04:00
sysfs.c
ext4: Fix function prototype mismatch for ext4_feat_ktype
2023-02-25 11:25:43 +01:00
truncate.h
ext4: Convert to use mapping->invalidate_lock
2021-07-13 14:29:00 +02:00
verity.c
fs: ext4: initialize fsdata in pagecache_write()
2023-01-07 11:11:58 +01:00
xattr_hurd.c
acl: handle idmapped mounts
2021-01-24 14:27:17 +01:00
xattr_security.c
acl: handle idmapped mounts
2021-01-24 14:27:17 +01:00
xattr_trusted.c
acl: handle idmapped mounts
2021-01-24 14:27:17 +01:00
xattr_user.c
acl: handle idmapped mounts
2021-01-24 14:27:17 +01:00
xattr.c
ext4: refuse to create ea block when umounted
2023-03-10 09:34:20 +01:00
xattr.h
ext4: remove EA inode entry from mbcache on inode eviction
2022-08-02 23:56:25 -04:00