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ext4: avoid remove directory when directory is corrupted
[ Upstream commit b24e77ef1c
]
Now if check directoy entry is corrupted, ext4_empty_dir may return true
then directory will be removed when file system mounted with "errors=continue".
In order not to make things worse just return false when directory is corrupted.
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220622090223.682234-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
09cf99bace
commit
b02787042c
1 changed files with 2 additions and 5 deletions
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@ -2820,11 +2820,8 @@ bool ext4_empty_dir(struct inode *inode)
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de = (struct ext4_dir_entry_2 *) (bh->b_data +
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(offset & (sb->s_blocksize - 1)));
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if (ext4_check_dir_entry(inode, NULL, de, bh,
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bh->b_data, bh->b_size, offset)) {
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offset = (offset | (sb->s_blocksize - 1)) + 1;
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continue;
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}
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if (le32_to_cpu(de->inode)) {
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bh->b_data, bh->b_size, offset) ||
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le32_to_cpu(de->inode)) {
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brelse(bh);
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return false;
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}
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