Re: [PATCH AUTOSEL 5.10 113/137] wireless: wext-spy: Fix out-of-bounds warning
From: Sasha Levin <sashal@kernel.org>
Date: 2021-07-07 10:45:36
Also in:
linux-wireless, lkml, stable
On Tue, Jul 06, 2021 at 04:08:09PM +0200, Johannes Berg wrote:
On Tue, 2021-07-06 at 07:21 -0400, Sasha Levin wrote:quoted
From: "Gustavo A. R. Silva" <gustavoars@kernel.org> [ Upstream commit e93bdd78406da9ed01554c51e38b2a02c8ef8025 ] Fix the following out-of-bounds warning: net/wireless/wext-spy.c:178:2: warning: 'memcpy' offset [25, 28] from the object at 'threshold' is out of the bounds of referenced subobject 'low' with type 'struct iw_quality' at offset 20 [-Warray-bounds]For the record: while this clearly isn't harmful, there's almost basically no chance that the stable kernel will ever compile warning- free with -Warray-bounds, so there's not much point in backporting this patch.
While the warning is a non-issue, it wasn't clear if it fixes a real bug or just silences the warning which is why I took it in. -- Thanks, Sasha