diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-08-31 11:18:02 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-09-19 17:34:01 +0300 |
| commit | 27a221f433b7ac6604845b09696e60e803972d3c (patch) | |
| tree | ba5a40f38e772be8f2aebea335500262a84ebfcb /drivers/net/wireless/intel/iwlwifi/mvm | |
| parent | 24d5f16e407b75bc59d5419b957a9cab423b2681 (diff) | |
| download | linux-27a221f433b7ac6604845b09696e60e803972d3c.tar.xz | |
iwlwifi: mvm: d3: Fix off by ones in iwl_mvm_wowlan_get_rsc_v5_data()
These should be >= ARRAY_SIZE() instead of > ARRAY_SIZE() to prevent an
out of bounds write on the next line.
Fixes: 79e561f0f05a ("iwlwifi: mvm: d3: implement RSC command version 5")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Luca Coelho <luca@coelho.fi>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210831081802.GA9846@kili
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 0e97d5e6c644..6e3a63a5a75c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -360,11 +360,11 @@ static void iwl_mvm_wowlan_get_rsc_v5_data(struct ieee80211_hw *hw, if (sta) { rsc = data->rsc->ucast_rsc; } else { - if (WARN_ON(data->gtks > ARRAY_SIZE(data->gtk_ids))) + if (WARN_ON(data->gtks >= ARRAY_SIZE(data->gtk_ids))) return; data->gtk_ids[data->gtks] = key->keyidx; rsc = data->rsc->mcast_rsc[data->gtks % 2]; - if (WARN_ON(key->keyidx > + if (WARN_ON(key->keyidx >= ARRAY_SIZE(data->rsc->mcast_key_id_map))) return; data->rsc->mcast_key_id_map[key->keyidx] = data->gtks % 2; |