Searched refs:user_frame_tail (Results 1 – 3 of 3) sorted by relevance
52 unsigned long __user *user_frame_tail = (unsigned long __user *)fp; in user_backtrace() local55 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()57 if (__copy_from_user_inatomic(&buftail, user_frame_tail, in user_backtrace()
195 unsigned long __user *user_frame_tail = in unwind_user_frame() local199 if (!access_ok(user_frame_tail, sizeof(buftail))) in unwind_user_frame()201 if (__copy_from_user_inatomic(&buftail, user_frame_tail, in unwind_user_frame()
34 unsigned long __user *user_frame_tail; in user_backtrace() local37 user_frame_tail = (unsigned long __user *)(fp - sizeof(struct stack_frame)); in user_backtrace()40 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()44 err = __copy_from_user_inatomic(&buftail, user_frame_tail, sizeof(buftail)); in user_backtrace()47 if (err || (unsigned long)user_frame_tail >= buftail.fp) in user_backtrace()