modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/include/linux/uaccess.h
..
..
@@ -348,6 +348,10 @@
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 	size_t size = min(ksize, usize);
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 	size_t rest = max(ksize, usize) - size;
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+	/* Double check if ksize is larger than a known object size. */
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+	if (WARN_ON_ONCE(ksize > __builtin_object_size(dst, 1)))
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+		return -E2BIG;
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+
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 	/* Deal with trailing bytes. */
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 	if (usize < ksize) {
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 		memset(dst + size, 0, rest);