OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/17/2022 06:42:23 AM	rwxr-xr-x
📄 autogroup.h	1.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 clock.h	2.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 coredump.h	2.75 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 cpufreq.h	887 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 cputime.h	5.13 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 deadline.h	597 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug.h	1.41 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hotplug.h	578 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 idle.h	1.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 init.h	240 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 isolation.h	1.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jobctl.h	1.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 loadavg.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mm.h	7.63 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 nohz.h	1.22 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 numa_balancing.h	1.26 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 prio.h	1.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rt.h	1.41 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	17.79 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 smt.h	415 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 stat.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sysctl.h	2.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 task.h	3.9 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 task_stack.h	3.03 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 topology.h	6.18 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 user.h	1.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 wake_q.h	1.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 xacct.h	854 bytes	01/28/2018 09:20:33 PM	rw-r--r--

Editing: task_stack.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_TASK_STACK_H
#define _LINUX_SCHED_TASK_STACK_H

/*
 * task->stack (kernel stack) handling interfaces:
 */

#include <linux/sched.h>
#include <linux/magic.h>

#ifdef CONFIG_THREAD_INFO_IN_TASK

/*
 * When accessing the stack of a non-current task that might exit, use
 * try_get_task_stack() instead.  task_stack_page will return a pointer
 * that could get freed out from under you.
 */
static inline void *task_stack_page(const struct task_struct *task)
{
	return task->stack;
}

#define setup_thread_stack(new,old)	do { } while(0)

static inline unsigned long *end_of_stack(const struct task_struct *task)
{
#ifdef CONFIG_STACK_GROWSUP
	return (unsigned long *)((unsigned long)task->stack + THREAD_SIZE) - 1;
#else
	return task->stack;
#endif
}

#elif !defined(__HAVE_THREAD_FUNCTIONS)

#define task_stack_page(task)	((void *)(task)->stack)

static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
{
	*task_thread_info(p) = *task_thread_info(org);
	task_thread_info(p)->task = p;
}

/*
 * Return the address of the last usable long on the stack.
 *
 * When the stack grows down, this is just above the thread
 * info struct. Going any lower will corrupt the threadinfo.
 *
 * When the stack grows up, this is the highest address.
 * Beyond that position, we corrupt data on the next page.
 */
static inline unsigned long *end_of_stack(struct task_struct *p)
{
#ifdef CONFIG_STACK_GROWSUP
	return (unsigned long *)((unsigned long)task_thread_info(p) + THREAD_SIZE) - 1;
#else
	return (unsigned long *)(task_thread_info(p) + 1);
#endif
}

#endif

#ifdef CONFIG_THREAD_INFO_IN_TASK
static inline void *try_get_task_stack(struct task_struct *tsk)
{
	return atomic_inc_not_zero(&tsk->stack_refcount) ?
		task_stack_page(tsk) : NULL;
}

extern void put_task_stack(struct task_struct *tsk);
#else
static inline void *try_get_task_stack(struct task_struct *tsk)
{
	return task_stack_page(tsk);
}

static inline void put_task_stack(struct task_struct *tsk) {}
#endif

#define task_stack_end_corrupted(task) \
		(*(end_of_stack(task)) != STACK_END_MAGIC)

static inline int object_is_on_stack(void *obj)
{
	void *stack = task_stack_page(current);

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

extern void thread_stack_cache_init(void);

#ifdef CONFIG_DEBUG_STACK_USAGE
static inline unsigned long stack_not_used(struct task_struct *p)
{
	unsigned long *n = end_of_stack(p);

do { 	/* Skip over canary */
# ifdef CONFIG_STACK_GROWSUP
		n--;
# else
		n++;
# endif
	} while (!*n);

# ifdef CONFIG_STACK_GROWSUP
	return (unsigned long)end_of_stack(p) - (unsigned long)n;
# else
	return (unsigned long)n - (unsigned long)end_of_stack(p);
# endif
}
#endif
extern void set_task_stack_end_magic(struct task_struct *tsk);

#ifndef __HAVE_ARCH_KSTACK_END
static inline int kstack_end(void *addr)
{
	/* Reliable end of stack detection:
	 * Some APM bios versions misalign the stack
	 */
	return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*)));
}
#endif

#endif /* _LINUX_SCHED_TASK_STACK_H */