From: Sasha Levin <sashal@kernel.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
kernel test robot <lkp@intel.com>,
Kees Cook <keescook@chromium.org>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.10 113/137] wireless: wext-spy: Fix out-of-bounds warning
Date: Wed, 7 Jul 2021 06:45:32 -0400 [thread overview]
Message-ID: <YOWFzFBGGqiYWsI6@sashalap> (raw)
In-Reply-To: <5da1f4fbdac533be3b753e54b43e2058ba270bc8.camel@sipsolutions.net>
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:
>> 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
next prev parent reply other threads:[~2021-07-07 10:45 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210706112203.2062605-1-sashal@kernel.org>
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 082/137] wlcore/wl12xx: Fix wl12xx get_mac error if device is in ELP Sasha Levin
2021-07-12 22:03 ` Pavel Machek
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 083/137] wl1251: Fix possible buffer overflow in wl1251_cmd_scan Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 084/137] cw1200: add missing MODULE_DEVICE_TABLE Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 090/137] mt76: mt7615: fix fixed-rate tx status reporting Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 097/137] mt76: mt7915: fix IEEE80211_HE_PHY_CAP7_MAX_NC for station mode Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 098/137] rtl8xxxu: Fix device info for RTL8192EU devices Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 105/137] iwlwifi: mvm: don't change band on bound PHY contexts Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 106/137] iwlwifi: mvm: fix error print when session protection ends Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 107/137] iwlwifi: mvm: support LONG_GROUP for WOWLAN_GET_STATUSES version Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 108/137] iwlwifi: pcie: free IML DMA memory allocation Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 109/137] iwlwifi: pcie: fix context info freeing Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 113/137] wireless: wext-spy: Fix out-of-bounds warning Sasha Levin
2021-07-06 14:08 ` Johannes Berg
2021-07-07 10:45 ` Sasha Levin [this message]
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 114/137] cfg80211: fix default HE tx bitrate mask in 2G band Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 115/137] mac80211: consider per-CPU statistics if present Sasha Levin
2021-07-06 11:21 ` [PATCH AUTOSEL 5.10 116/137] mac80211_hwsim: add concurrent channels scanning support over virtio Sasha Levin
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