add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/sparc/kernel/sigutil_32.c
..
..
@@ -65,7 +65,7 @@
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 	set_used_math();
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 	clear_tsk_thread_flag(current, TIF_USEDFPU);
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-	if (!access_ok(VERIFY_READ, fpu, sizeof(*fpu)))
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+	if (!access_ok(fpu, sizeof(*fpu)))
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 		return -EFAULT;
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 	err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0],