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linux-stable/fs/ext4
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Zhang Yi 098b257563 ext4: fix check to prevent false positive report of incorrect used inodes 
commit a149d2a5ca upstream.

Commit <50122847007> ("ext4: fix check to prevent initializing reserved
inodes") check the block group zero and prevent initializing reserved
inodes. But in some special cases, the reserved inode may not all belong
to the group zero, it may exist into the second group if we format
filesystem below.

  mkfs.ext4 -b 4096 -g 8192 -N 1024 -I 4096 /dev/sda

So, it will end up triggering a false positive report of a corrupted
file system. This patch fix it by avoid check reserved inodes if no free
inode blocks will be zeroed.

Cc: stable@kernel.org
Fixes: 5012284700 ("ext4: fix check to prevent initializing reserved inodes")
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Suggested-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210331121516.2243099-1-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-11 14:47:37 +02:00
..
acl.c ext4: main fast-commit commit path 2020-10-21 23:22:37 -04:00
acl.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
balloc.c ext4: shrink race window in ext4_should_retry_alloc() 2021-04-07 15:00:03 +02:00
bitmap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
block_validity.c ext4: rename system_blks to s_system_blks inside ext4_sb_info 2020-10-18 10:36:59 -04:00
dir.c ext4: use generic casefolding support 2020-10-28 13:43:13 -04:00
ext4.h ext4: shrink race window in ext4_should_retry_alloc() 2021-04-07 15:00:03 +02:00
ext4_extents.h ext4: fix EXT_MAX_EXTENT/INDEX to check for zeroed eh_max 2020-06-03 23:16:49 -04:00
ext4_jbd2.c ext4: fast commit recovery path 2020-10-21 23:22:38 -04:00
ext4_jbd2.h ext4: drop ext4_journal_free_reserved() 2020-06-03 23:16:53 -04:00
extents.c ext4: fix an IS_ERR() vs NULL check 2020-12-30 11:54:13 +01:00
extents_status.c ext4: fast commit recovery path 2020-10-21 23:22:38 -04:00
extents_status.h ext4: fix extent_status trace points 2020-01-25 02:03:03 -05:00
fast_commit.c ext4: fix rename whiteout with fast commit 2021-03-25 09:04:17 +01:00
fast_commit.h ext4: disable fast commit with data journalling 2020-11-06 23:01:05 -05:00
file.c ext4: don't leak old mountpoint samples 2021-01-19 18:27:22 +01:00
fsmap.c jbd2: rename j_maxlen to j_total_len and add jbd2_journal_max_txn_bufs 2020-11-06 23:01:02 -05:00
fsmap.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
fsync.c ext4: make s_mount_flags modifications atomic 2020-11-06 23:01:05 -05:00
hash.c ext4: use generic casefolding support 2020-10-28 13:43:13 -04:00
ialloc.c ext4: fix check to prevent false positive report of incorrect used inodes 2021-05-11 14:47:37 +02:00
indirect.c ext4: use ext4_sb_bread() instead of sb_bread() 2020-10-18 10:37:14 -04:00
inline.c ext4: unlock xattr_sem properly in ext4_inline_data_truncate() 2020-11-06 22:52:36 -05:00
inode-test.c kunit: allow kunit tests to be loaded as a module 2020-01-09 16:42:29 -07:00
inode.c ext4: fix bh ref count on error paths 2021-04-07 15:00:03 +02:00
ioctl.c ext4: fix superblock checksum failure when setting password salt 2021-01-19 18:27:31 +01:00
Kconfig ext: EXT4_KUNIT_TESTS should depend on EXT4_FS instead of selecting it 2021-03-04 11:38:15 +01:00
Makefile ext4 / jbd2: add fast commit initialization 2020-10-21 23:22:26 -04:00
mballoc.c fs/ext4: fix integer overflow in s_log_groups_per_flex 2021-03-30 14:32:08 +02:00
mballoc.h ext4: limit the length of per-inode prealloc list 2020-08-19 12:04:36 -04:00
migrate.c ext4: handle ext4_mark_inode_dirty errors 2020-06-03 23:16:50 -04:00
mmp.c ext4: use common helpers in all places reading metadata buffers 2020-10-18 10:37:14 -04:00
move_extent.c ext4: use common helpers in all places reading metadata buffers 2020-10-18 10:37:14 -04:00
namei.c ext4: do not iput inode under running transaction in ext4_rename() 2021-04-07 15:00:06 +02:00
page-io.c ext4: add inline encryption support 2020-07-08 10:29:43 -07:00
readpage.c Improvements to ext4's block allocator performance for very large file 2020-08-21 11:03:38 -07:00
resize.c ext4: use ext4_sb_bread() instead of sb_bread() 2020-10-18 10:37:14 -04:00
super.c ext4: shrink race window in ext4_should_retry_alloc() 2021-04-07 15:00:03 +02:00
symlink.c ext4: switch to fscrypt_get_symlink() 2018-01-11 22:10:40 -05:00
sysfs.c ext4: shrink race window in ext4_should_retry_alloc() 2021-04-07 15:00:03 +02:00
truncate.h ext4: handle layout changes to pinned DAX mappings 2018-07-29 17:00:22 -04:00
verity.c ext4: fix error handling in ext4_end_enable_verity() 2021-03-25 09:04:17 +01:00
xattr.c ext4: add reclaim checks to xattr code 2021-03-30 14:32:08 +02:00
xattr.h ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
xattr_hurd.c ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
xattr_security.c ext4: use XATTR_CREATE in ext4_initxattrs() 2018-05-10 11:52:14 -04:00
xattr_trusted.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr_user.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00