Unverified Commit 2b3383a3 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14482 nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zizhi Wo <wozizhi@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/CVF2BWK2OOSFW7JVRMWOKKK5EXESC5XY/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBEANS 
 
Link:https://gitee.com/openeuler/kernel/pulls/14482

 

Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 5953e362 d995417b

fs/nilfs2/dir.c

+1 −1
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ static inline void nilfs_put_page(struct page *page) 
 */

static unsigned int nilfs_last_byte(struct inode *inode, unsigned long page_nr)

{

	unsigned int last_byte = inode->i_size;

	u64 last_byte = inode->i_size;



	last_byte -= page_nr << PAGE_SHIFT;

	if (last_byte > PAGE_SIZE)