Searched refs:user_frame_tail (Results 1 – 4 of 4) sorted by relevance
| /linux-6.3-rc2/arch/loongarch/kernel/ |
| A D | stacktrace.c | 45 unsigned long __user *user_frame_tail; in copy_stack_frame() local
47 user_frame_tail = (unsigned long *)(fp - sizeof(struct stack_frame)); in copy_stack_frame()
48 if (!access_ok(user_frame_tail, sizeof(*frame))) in copy_stack_frame()
52 err = (__copy_from_user_inatomic(frame, user_frame_tail, sizeof(*frame))); in copy_stack_frame()
53 if (err || (unsigned long)user_frame_tail >= frame->fp) in copy_stack_frame()
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| A D | perf_event.c | 34 unsigned long __user *user_frame_tail; in user_backtrace() local
37 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()
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| /linux-6.3-rc2/arch/riscv/kernel/ |
| A D | perf_callchain.c | 18 unsigned long __user *user_frame_tail = in user_backtrace() local
22 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()
24 if (__copy_from_user_inatomic(&buftail, user_frame_tail, in user_backtrace()
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| /linux-6.3-rc2/arch/csky/kernel/ |
| A D | perf_callchain.c | 52 unsigned long __user *user_frame_tail = (unsigned long __user *)fp; in user_backtrace() local
55 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()
57 if (__copy_from_user_inatomic(&buftail, user_frame_tail, in user_backtrace()
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