Unverified Commit cbfb00d8 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11487 bna: ensure the copied buf is NUL terminated 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Zekun <zhangzekun11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/TNOS5JZXJ7LGN6SDB5IBXYCBNPY76CLF/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9U1KE 
 
Link:https://gitee.com/openeuler/kernel/pulls/11487

 

Reviewed-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 49cb18ca ccf1ef0a

drivers/net/ethernet/brocade/bna/bnad_debugfs.c

+2 −2
Original line number Diff line number Diff line
@@ -312,7 +312,7 @@ bnad_debugfs_write_regrd(struct file *file, const char __user *buf, 
	void *kern_buf;



	/* Copy the user space buf */

	kern_buf = memdup_user(buf, nbytes);

	kern_buf = memdup_user_nul(buf, nbytes);

	if (IS_ERR(kern_buf))

		return PTR_ERR(kern_buf);
@@ -372,7 +372,7 @@ bnad_debugfs_write_regwr(struct file *file, const char __user *buf, 
	void *kern_buf;



	/* Copy the user space buf */

	kern_buf = memdup_user(buf, nbytes);

	kern_buf = memdup_user_nul(buf, nbytes);

	if (IS_ERR(kern_buf))

		return PTR_ERR(kern_buf);