Merge remote-tracking branch 'sm8250/lineage-20' into lineage-23.2

* sm8250/lineage-20:
  fixup! UPSTREAM: fork: extend clone3() to support setting a PID
  arm64: configs: vendor: Enable CONFIG_USB_USBNET on bengal
  arm64: configs: vendor: Enable CONFIG_USB_USBNET on lito

Change-Id: I9c93eb6b97c2e3fbc4ae8ddaab1368a79eed00ab

arch/arm64/configs/vendor/bengal-perf_defconfig

@@ -337,6 +337,7 @@ CONFIG_PPP_ASYNC=y
 CONFIG_PPP_SYNC_TTY=y
 CONFIG_USB_RTL8150=y
 CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
 CONFIG_WCNSS_MEM_PRE_ALLOC=y
 CONFIG_CLD_LL_CORE=y
 CONFIG_CNSS_GENL=y

arch/arm64/configs/vendor/lito-perf_defconfig

@@ -330,6 +330,7 @@ CONFIG_PPP_ASYNC=y
 CONFIG_PPP_SYNC_TTY=y
 CONFIG_USB_RTL8150=y
 CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
 CONFIG_WCNSS_MEM_PRE_ALLOC=y
 CONFIG_CLD_LL_CORE=y
 CONFIG_CNSS_GENL=y

kernel/fork.c

@@ -2575,6 +2575,27 @@ noinline static int copy_clone_args_from_user(struct kernel_clone_args *kargs,
 	if (unlikely(!access_ok(VERIFY_READ, uargs, size)))
 		return -EFAULT;
 
+	if (size > sizeof(struct clone_args)) {
+		unsigned char __user *addr;
+		unsigned char __user *end;
+		unsigned char val;
+
+		addr = (void __user *)uargs + sizeof(struct clone_args);
+		end = (void __user *)uargs + size;
+
+		for (; addr < end; addr++) {
+			if (get_user(val, addr))
+				return -EFAULT;
+			if (val)
+				return -E2BIG;
+		}
+
+		size = sizeof(struct clone_args);
+	}
+
+	if (copy_from_user(&args, uargs, size))
+		return -EFAULT;
+
 	if (unlikely(args.set_tid_size > MAX_PID_NS_LEVEL))
 		return -EINVAL;