diff --git a/sys/compat/linuxkpi/common/include/linux/slab.h b/sys/compat/linuxkpi/common/include/linux/slab.h
--- a/sys/compat/linuxkpi/common/include/linux/slab.h
+++ b/sys/compat/linuxkpi/common/include/linux/slab.h
@@ -41,6 +41,8 @@
 
 MALLOC_DECLARE(M_KMALLOC);
 
+void *lkpi_mallocarray(size_t, size_t, gfp_t);
+
 #define	kmalloc(size, flags)		lkpi_kmalloc(size, flags)
 #define	kvmalloc(size, flags)		kmalloc(size, flags)
 #define	kvzalloc(size, flags)		kmalloc(size, (flags) | __GFP_ZERO)
@@ -121,7 +123,7 @@
 kcalloc(size_t n, size_t size, gfp_t flags)
 {
 	flags |= __GFP_ZERO;
-	return (mallocarray(n, size, M_KMALLOC, linux_check_m_flags(flags)));
+	return (lkpi_mallocarray(n, size, linux_check_m_flags(flags)));
 }
 
 static inline void *
@@ -154,7 +156,7 @@
 static inline void *
 kmalloc_array(size_t n, size_t size, gfp_t flags)
 {
-	return (mallocarray(n, size, M_KMALLOC, linux_check_m_flags(flags)));
+	return (lkpi_mallocarray(n, size, linux_check_m_flags(flags)));
 }
 
 static inline void *
@@ -167,7 +169,7 @@
 static inline void *
 kvmalloc_array(size_t n, size_t size, gfp_t flags)
 {
-	return (mallocarray(n, size, M_KMALLOC, linux_check_m_flags(flags)));
+	return (lkpi_mallocarray(n, size, linux_check_m_flags(flags)));
 }
 
 static inline void *
diff --git a/sys/compat/linuxkpi/common/src/linux_slab.c b/sys/compat/linuxkpi/common/src/linux_slab.c
--- a/sys/compat/linuxkpi/common/src/linux_slab.c
+++ b/sys/compat/linuxkpi/common/src/linux_slab.c
@@ -260,3 +260,12 @@
 	llist_add(addr, &linux_kfree_async_list);
 	taskqueue_enqueue(linux_irq_work_tq, &linux_kfree_async_task);
 }
+
+void *
+lkpi_mallocarray(size_t n, size_t size, gfp_t flags)
+{
+	if (WOULD_OVERFLOW(n, size))
+		panic("%s: %zu * %zu overflowed", __func__, n, size);
+
+	return (__kmalloc(size * n, flags));
+}