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_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c
--- a/sys/compat/linuxkpi/common/src/linux_compat.c
+++ b/sys/compat/linuxkpi/common/src/linux_compat.c
@@ -2710,8 +2710,8 @@
 	boot_cpu_data.x86_model = CPUID_TO_MODEL(cpu_id);
 	boot_cpu_data.x86_vendor = x86_vendor;
 
-	__cpu_data = mallocarray(mp_maxid + 1,
-	    sizeof(*__cpu_data), M_KMALLOC, M_WAITOK | M_ZERO);
+	__cpu_data = lkpi_mallocarray(mp_maxid + 1,
+	    sizeof(*__cpu_data), M_WAITOK | M_ZERO);
 	CPU_FOREACH(i) {
 		__cpu_data[i].x86_clflush_size = cpu_clflush_line_size;
 		__cpu_data[i].x86_max_cores = mp_ncpus;
@@ -2753,8 +2753,8 @@
 	 * This is used by cpumask_of() (and possibly others in the future) for,
 	 * e.g., drivers to pass hints to irq_set_affinity_hint().
 	 */
-	static_single_cpu_mask = mallocarray(mp_maxid + 1,
-	    sizeof(static_single_cpu_mask), M_KMALLOC, M_WAITOK | M_ZERO);
+	static_single_cpu_mask = lkpi_mallocarray(mp_maxid + 1,
+	    sizeof(static_single_cpu_mask), M_WAITOK | M_ZERO);
 
 	/*
 	 * When the number of CPUs reach a threshold, we start to save memory
@@ -2773,9 +2773,9 @@
 		 * (_BITSET_BITS / 8)' bytes (for comparison with the
 		 * overlapping scheme).
 		 */
-		static_single_cpu_mask_lcs = mallocarray(mp_ncpus,
+		static_single_cpu_mask_lcs = lkpi_mallocarray(mp_ncpus,
 		    sizeof(*static_single_cpu_mask_lcs),
-		    M_KMALLOC, M_WAITOK | M_ZERO);
+		    M_WAITOK | M_ZERO);
 
 		sscm_ptr = static_single_cpu_mask_lcs;
 		CPU_FOREACH(i) {
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));
+}