diff options
| author | Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com> | 2023-06-14 12:41:35 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-06-19 12:05:26 +0200 |
| commit | aedb2b38adf4d9f4f30ebd8b507051498ad4a1f2 (patch) | |
| tree | 774ae0f2d8cf3ccaade0fa3dc3eac414a081d11a /drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | |
| parent | 4670d8dca8af0824b82010b7ad478fd505572006 (diff) | |
wifi: iwlwifi: mvm: Validate tid is in valid range before using it
Validate tid is less then MAX TID when it is used to access
corresponding arrays.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230614123447.cea75e1f57e7.I03bc0a81d2c1bdbf4784c12c4c62b8538892ccba@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 5c06839b87c2..9dbe71d299ae 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -484,7 +484,7 @@ static void iwl_mvm_rx_csum(struct iwl_mvm *mvm, } /* - * returns true if a packet is a duplicate and should be dropped. + * returns true if a packet is a duplicate or invalid tid and should be dropped. * Updates AMSDU PN tracking info */ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, @@ -513,11 +513,14 @@ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, return false; } - if (ieee80211_is_data_qos(hdr->frame_control)) + if (ieee80211_is_data_qos(hdr->frame_control)) { /* frame has qos control */ tid = ieee80211_get_tid(hdr); - else + if (tid >= IWL_MAX_TID_COUNT) + return true; + } else { tid = IWL_MAX_TID_COUNT; + } /* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */ sub_frame_idx = desc->amsdu_info & |