--- zzzz-none-000/linux-4.19.183/arch/arm/kernel/entry-common.S	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/arch/arm/kernel/entry-common.S	2023-06-28 08:54:18.000000000 +0000
@@ -53,7 +53,12 @@
  UNWIND(.cantunwind	)
 	disable_irq_notrace			@ disable interrupts
 	ldr	r2, [tsk, #TI_ADDR_LIMIT]
+#if defined(CONFIG_BCM_KF_ARM_KASAN)
+	ldr	r1, =TASK_SIZE
+	cmp	r2, r1
+#else
 	cmp	r2, #TASK_SIZE
+#endif
 	blne	addr_limit_check_failed
 	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
 	tst	r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
@@ -90,7 +95,12 @@
 #endif
 	disable_irq_notrace			@ disable interrupts
 	ldr	r2, [tsk, #TI_ADDR_LIMIT]
+#if defined(CONFIG_BCM_KF_ARM_KASAN)
+	ldr	r1, =TASK_SIZE
+	cmp	r2, r1
+#else
 	cmp	r2, #TASK_SIZE
+#endif
 	blne	addr_limit_check_failed
 	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
 	tst	r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
@@ -131,7 +141,12 @@
 	disable_irq_notrace			@ disable interrupts
 ENTRY(ret_to_user_from_irq)
 	ldr	r2, [tsk, #TI_ADDR_LIMIT]
+#if defined(CONFIG_BCM_KF_ARM_KASAN)
+	ldr     r1, =TASK_SIZE
+	cmp	r2, r1
+#else
 	cmp	r2, #TASK_SIZE
+#endif
 	blne	addr_limit_check_failed
 	ldr	r1, [tsk, #TI_FLAGS]
 	tst	r1, #_TIF_WORK_MASK