Unverified Commit 3de99ef9 authored Jun 09, 2023 by openeuler-ci-bot Committed by Gitee Jun 09, 2023

!1059 [sync] PR-1028: fs: hfsplus: fix UAF issue in hfsplus_put_super

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/1028 
 
PR sync from:  Long Li <leo.lilong@huawei.com>
 https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/thread/SDZSQIDVZ6KO6663MZWABIKABBLHZOUS/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1059

 

Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>

parents 520f5a9a 929074a3

fs/hfsplus/super.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -295,11 +295,11 @@ static void hfsplus_put_super(struct super_block *sb)
		hfsplus_sync_fs(sb, 1);
		}

		iput(sbi->alloc_file);
		iput(sbi->hidden_dir);
		hfs_btree_close(sbi->attr_tree);
		hfs_btree_close(sbi->cat_tree);
		hfs_btree_close(sbi->ext_tree);
		iput(sbi->alloc_file);
		iput(sbi->hidden_dir);
		kfree(sbi->s_vhdr_buf);
		kfree(sbi->s_backup_vhdr_buf);
		unload_nls(sbi->nls);