#include <linux/ptrace.h>
#include <linux/user.h>
#include <linux/security.h>
+#include <linux/signal.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
*/
static int ptrace_setfpregs(struct task_struct *tsk, void *ufp)
{
- tsk->used_math = 1;
+ set_stopped_child_used_math(tsk);
return copy_from_user(&tsk->thread_info->fpstate, ufp,
sizeof(struct user_fp)) ? -EFAULT : 0;
}
case PTRACE_SYSCALL:
case PTRACE_CONT:
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL)
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
*/
case PTRACE_SINGLESTEP:
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
child->ptrace |= PT_SINGLESTEP;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);