--- zzzz-none-000/linux-4.19.183/arch/arm/kernel/entry-armv.S	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/arch/arm/kernel/entry-armv.S	2023-06-28 08:54:18.000000000 +0000
@@ -430,7 +430,12 @@
 	@ if it was interrupted in a critical region.  Here we
 	@ perform a quick test inline since it should be false
 	@ 99.9999% of the time.  The rest is done out of line.
+#if defined(CONFIG_BCM_KF_ARM_KASAN)
+	ldr	r0, =TASK_SIZE
+	cmp	r4, r0
+#else
 	cmp	r4, #TASK_SIZE
+#endif
 	blhs	kuser_cmpxchg64_fixup
 #endif
 #endif