diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index a0f4964033d2..a3a7e9a48dff 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -347,8 +347,9 @@ static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
 
 	if (info.cmd == ETHTOOL_GRXCLSRLALL) {
 		if (info.rule_cnt > 0) {
-			rule_buf = kmalloc(info.rule_cnt * sizeof(u32),
-					   GFP_USER);
+			if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
+				rule_buf = kmalloc(info.rule_cnt * sizeof(u32),
+						   GFP_USER);
 			if (!rule_buf)
 				return -ENOMEM;
 		}