From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Masashi Honma <masashi.honma@gmail.com>,
Johannes Berg <johannes.berg@intel.com>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.9 15/38] nl80211: Fix possible Spectre-v1 for NL80211_TXRATE_HT
Date: Tue, 16 Oct 2018 00:14:59 -0400 [thread overview]
Message-ID: <20181016041522.135789-15-sashal@kernel.org> (raw)
In-Reply-To: <20181016041522.135789-1-sashal@kernel.org>
From: Masashi Honma <masashi.honma@gmail.com>
[ Upstream commit 30fe6d50eb088783c8729c7d930f65296b2b3fa7 ]
Use array_index_nospec() to sanitize ridx with respect to speculation.
Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/wireless/nl80211.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0e91ec49d3da..549d0a4083b3 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3422,6 +3422,7 @@ static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
return false;
/* check availability */
+ ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
mcs[ridx] |= rbit;
else
--
2.17.1
next prev parent reply other threads:[~2018-10-16 4:22 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-16 4:14 [PATCH AUTOSEL 4.9 01/38] xfrm: Validate address prefix lengths in the xfrm selector Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 02/38] xfrm6: call kfree_skb when skb is toobig Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 03/38] mac80211: Always report TX status Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 04/38] cfg80211: reg: Init wiphy_idx in regulatory_hint_core() Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 05/38] mac80211: fix pending queue hang due to TX_DROP Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 06/38] cfg80211: Address some corner cases in scan result channel updating Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 07/38] mac80211: TDLS: fix skb queue/priority assignment Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 08/38] ARM: 8799/1: mm: fix pci_ioremap_io() offset check Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 09/38] xfrm: validate template mode Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 10/38] ARM: dts: BCM63xx: Fix incorrect interrupt specifiers Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 11/38] net: macb: Clean 64b dma addresses if they are not detected Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 12/38] net: hns: fix for unmapping problem when SMMU is on Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 13/38] soc: fsl: qbman: qman: avoid allocating from non existing gen_pool Sasha Levin
2018-10-16 4:14 ` [PATCH AUTOSEL 4.9 14/38] soc: fsl: qe: Fix copy/paste bug in ucc_get_tdm_sync_shift() Sasha Levin
2018-10-16 4:14 ` Sasha Levin [this message]
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 16/38] mac80211_hwsim: do not omit multicast announce of first added radio Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 17/38] Bluetooth: SMP: fix crash in unpairing Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 18/38] pxa168fb: prepare the clock Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 19/38] qed: Avoid implicit enum conversion in qed_roce_mode_to_flavor Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 20/38] bonding: avoid possible dead-lock Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 21/38] qed: Avoid constant logical operation warning in qed_vf_pf_acquire Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 22/38] bnxt_en: Fix TX timeout during netpoll Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 23/38] asix: Check for supported Wake-on-LAN modes Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 24/38] ax88179_178a: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 25/38] lan78xx: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 26/38] sr9800: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 27/38] r8152: Check for supported Wake-on-LAN Modes Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 28/38] smsc75xx: Check for Wake-on-LAN modes Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 29/38] smsc95xx: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 30/38] qlcnic: fix Tx descriptor corruption on 82xx devices Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 31/38] i2c: i2c-scmi: fix for i2c_smbus_write_block_data Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 32/38] perf/ring_buffer: Prevent concurent ring buffer access Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 33/38] perf/x86/intel/uncore: Fix PCI BDF address of M3UPI on SKX Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 34/38] net: fec: fix rare tx timeout Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 35/38] declance: Fix continuation with the adapter identification message Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 36/38] net/usb: cancel pending work when unbinding smsc75xx Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 37/38] net: cxgb3_main: fix a missing-check bug Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.9 38/38] mm/vmstat.c: fix outdated vmstat_text Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181016041522.135789-15-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=johannes.berg@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=masashi.honma@gmail.com \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox