Unverified Commit c95957fb authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14993 arm64: ptrace: fix partial SETREGSET for NT_ARM_TAGGED_ADDR_CTRL 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Mingrui <liumingrui@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/RBTQ276L3PK6C3BDQCN5YBJOXR7HJXOF/ 
 
https://gitee.com/openeuler/kernel/issues/IBH1XN 
 
Link:https://gitee.com/openeuler/kernel/pulls/14993

 

Reviewed-by: default avatarZhang Jianhua <chris.zjh@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents ab9846a0 453b9417

arch/arm64/kernel/ptrace.c

+5 −1
Original line number Diff line number Diff line
@@ -1384,7 +1384,7 @@ static int tagged_addr_ctrl_get(struct task_struct *target, 
{

	long ctrl = get_tagged_addr_ctrl(target);



	if (IS_ERR_VALUE(ctrl))

	if (WARN_ON_ONCE(IS_ERR_VALUE(ctrl)))

		return ctrl;



	return membuf_write(&to, &ctrl, sizeof(ctrl));
@@ -1398,6 +1398,10 @@ static int tagged_addr_ctrl_set(struct task_struct *target, const struct 
	int ret;

	long ctrl;



	ctrl = get_tagged_addr_ctrl(target);

	if (WARN_ON_ONCE(IS_ERR_VALUE(ctrl)))

		return ctrl;



	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl, 0, -1);

	if (ret)

		return ret;