Unverified Commit c84b7df5 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14507 sched/task_stack: fix object_is_on_stack() for KASAN tagged pointers 

Merge Pull Request from: @ci-robot 
 
PR sync from: Cheng Yu <serein.chengyu@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/A3WYVRJFP6NPHMM6GNWN7LAAHKB6TALF/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB957H 
 
Link:https://gitee.com/openeuler/kernel/pulls/14507

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 66294d48 ba786c34

include/linux/sched/task_stack.h

+2 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 


#include <linux/sched.h>

#include <linux/magic.h>

#include <linux/kasan.h>



#ifdef CONFIG_THREAD_INFO_IN_TASK
@@ -88,6 +89,7 @@ static inline int object_is_on_stack(const void *obj) 
{

	void *stack = task_stack_page(current);



	obj = kasan_reset_tag(obj);

	return (obj >= stack) && (obj < (stack + THREAD_SIZE));

}