lkml.org 
[lkml]   [2017]   [May]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/1] spi: imx: fix issue when tx_buf or rx_buf is NULL
From
Date
On Thu, 2017-05-18 at 03:01 -0700, jiada_wang@mentor.com wrote:
> From: Jiada Wang <jiada_wang@mentor.com>
>
> In case either transfer->tx_buf or transfer->rx_buf is NULL,
> manipulation of buffer in spi_imx_u32_swap_u[8|16]() will cause
> NULL pointer dereference crash.
>
> Add buffer check at very beginning of spi_imx_u32_swap_u[8|16](),
> to avoid such crash.
>
> Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
> Reported-by: Leonard Crestez <leonard.crestez@nxp.com>

Tested-by: Leonard Crestez <leonard.crestez@nxp.com>

\
 
 \ /
  Last update: 2017-05-18 12:09    [W:0.054 / U:1.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site