--- zzzz-none-000/linux-3.10.107/arch/arm/mm/abort-ev4.S 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/arm/mm/abort-ev4.S 2021-02-04 17:41:59.000000000 +0000 @@ -19,6 +19,7 @@ mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR ldr r3, [r4] @ read aborted ARM instruction + uaccess_disable ip @ disable userspace access bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR tst r3, #1 << 20 @ L = 1 -> write? orreq r1, r1, #1 << 11 @ yes.