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ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

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commit d250bdf531d9cd4096fedbb9f172bb2ca660c868 upstream.

The error branch for ext4_xattr_inode_update_ref forget to release the
refcount for iloc.bh. Find this when review code.

Fixes: 57295e8354 ("ext4: guard against EA inode refcount underflow in xattr update")
Signed-off-by: Yang Erkun <yangerkun@huawei.com>
Reviewed-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20251213055706.3417529-1-yangerkun@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yang Erkun 2025-12-13 13:57:06 +08:00 committed by Greg Kroah-Hartman
parent d1b24a5766
commit 06e26287f2
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/xattr.c
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@ -1037,6 +1037,7 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode,
ext4_error_inode(ea_inode, __func__, __LINE__, 0,
"EA inode %lu ref wraparound: ref_count=%lld ref_change=%d",
ea_inode->i_ino, ref_count, ref_change);
brelse(iloc.bh);
ret = -EFSCORRUPTED;
goto out;
}