Re: [PATCH][next] wireless: wext-spy: Fix out-of-bounds warning
From: Gustavo A. R. Silva <hidden>
Date: 2021-04-22 20:03:10
Also in:
linux-hardening, linux-wireless, lkml
From: Gustavo A. R. Silva <hidden>
Date: 2021-04-22 20:03:10
Also in:
linux-hardening, linux-wireless, lkml
On 4/22/21 02:04, Johannes Berg wrote:
On Wed, 2021-04-21 at 18:43 -0500, Gustavo A. R. Silva wrote:quoted
/* Just do it */ - memcpy(&(spydata->spy_thr_low), &(threshold->low), - 2 * sizeof(struct iw_quality)); + memcpy(&spydata->spy_thr_low, &threshold->low, sizeof(threshold->low)); + memcpy(&spydata->spy_thr_high, &threshold->high, sizeof(threshold->high));It would've been really simple to stick to 80 columns here (and everywhere in the patch), please do that. Also, why not just use struct assigments? spydata->spy_thr_low = threshold->low; etc. Done: https://lore.kernel.org/lkml/20210422200032.GA168995@embeddedor/ (local) Seems far simpler (and shorter lines).
Done: https://lore.kernel.org/lkml/20210422200032.GA168995@embeddedor/ (local) Thanks for the feedback. -- Gustavo