diff options
| author | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2025-11-10 16:02:15 +0300 |
|---|---|---|
| committer | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2026-01-21 15:23:01 +0300 |
| commit | 1e3fb3c4a8e6c581d0f4533dba887fabf53d607d (patch) | |
| tree | 30f460ddf9546907b768d79854b26fae8b3337b5 | |
| parent | 60abc027701dbb0c5d1d3712a5336d5977562071 (diff) | |
| download | linux-1e3fb3c4a8e6c581d0f4533dba887fabf53d607d.tar.xz | |
wifi: iwlwifi: mvm: check the validity of noa_len
Validate iwl_probe_resp_data_notif::noa_attr::len_low since we are using
its value to determine the noa_len, which is later used for the NoA
attribute.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20251110150012.99b663d9b424.I206fd54c990ca9e1160b9b94fa8be44e67bcc1b9@changeid
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 867807abde66..49ffc4ecee85 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1761,6 +1761,20 @@ void iwl_mvm_probe_resp_data_notif(struct iwl_mvm *mvm, mvmvif = iwl_mvm_vif_from_mac80211(vif); + /* + * len_low should be 2 + n*13 (where n is the number of descriptors. + * 13 is the size of a NoA descriptor). We can have either one or two + * descriptors. + */ + if (IWL_FW_CHECK(mvm, notif->noa_active && + notif->noa_attr.len_low != 2 + + sizeof(struct ieee80211_p2p_noa_desc) && + notif->noa_attr.len_low != 2 + + sizeof(struct ieee80211_p2p_noa_desc) * 2, + "Invalid noa_attr.len_low (%d)\n", + notif->noa_attr.len_low)) + return; + new_data = kzalloc(sizeof(*new_data), GFP_KERNEL); if (!new_data) return; |