From: Wang ShaoBo <bobo.shaobowang@huawei.com> hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8EF0Z -------------------------------- Fix buffer overflow in mpam_handle_error_irq(): mpam_handle_error_irq() error: buffer overflow 'mpam_msc_err_str' 8 <= 8 Fixes: 44513976e11e ("arm64/mpam: Enabling registering and logging error interrupts") Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com> Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> --- arch/arm64/kernel/mpam/mpam_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/mpam/mpam_device.c b/arch/arm64/kernel/mpam/mpam_device.c index b3de7f518423..19c49f76d0e5 100644 --- a/arch/arm64/kernel/mpam/mpam_device.c +++ b/arch/arm64/kernel/mpam/mpam_device.c @@ -439,7 +439,7 @@ static irqreturn_t mpam_handle_error_irq(int irq, void *data) return IRQ_NONE; /* No-one expects MPAM errors! */ - if (device_errcode <= _MPAM_NUM_ERRCODE) + if (device_errcode < _MPAM_NUM_ERRCODE) pr_err_ratelimited("unexpected error '%s' [esr:%x]\n", mpam_msc_err_str[device_errcode], device_esr); -- 2.25.1