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authorJohannes Berg <johannes.berg@intel.com>2021-01-17 13:10:29 +0200
committerLuca Coelho <luciano.coelho@intel.com>2021-02-05 11:52:27 +0200
commit1e1a58bec773a6c377fd31625650ed5aaaf6e93f (patch)
tree5924b8c5ce6adefe8b2453e38c2faa4d779c1d00 /drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
parentafc857bc2a71905b23bbe1894dbadb2915a3ac4d (diff)
iwlwifi: mvm: check more notification sizes
Some notifications aren't handled by the general RX handler code, due to multi-queue. Add size checks for them explicitly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210117130510.1370c776cb31.Ic536bd1aee5368969fbf65db85b9b9b5dc9c6034@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 4dc7c65a1130..7509d73ae724 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -1938,6 +1938,9 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
.info_type = IWL_RX_PHY_INFO_TYPE_NONE,
};
+ if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*desc)))
+ return;
+
if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)))
return;
@@ -2067,6 +2070,9 @@ void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_frame_release *release = (void *)pkt->data;
+ if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
+ return;
+
iwl_mvm_release_frames_from_notif(mvm, napi, release->baid,
le16_to_cpu(release->nssn),
queue, 0);
@@ -2087,6 +2093,9 @@ void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
IWL_BAR_FRAME_RELEASE_TID_MASK);
struct iwl_mvm_baid_data *baid_data;
+ if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release)))
+ return;
+
if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID ||
baid >= ARRAY_SIZE(mvm->baid_map)))
return;