| Message ID | 1537841701-3092-1-git-send-email-masashi.honma@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Johannes Berg |
| Headers | show |
| Series | [1/2] nl80211: Fix possible Spectre-v1 for NL80211_TXRATE_HT | expand |
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 0827cbd..3c469c1 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3748,6 +3748,7 @@ 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
Use array_index_nospec() to sanitize ridx with respect to speculation. Signed-off-by: Masashi Honma <masashi.honma@gmail.com> --- net/wireless/nl80211.c | 1 + 1 file changed, 1 insertion(+)