diff options
Diffstat (limited to 'drivers/net/wireless')
23 files changed, 185 insertions, 111 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 2d55cdc4d165..ae91b57c8422 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -873,6 +873,22 @@ static int ath11k_mac_set_kickout(struct ath11k_vif *arvif) return 0; } +static void ath11k_mac_station_cleanup(struct ieee80211_sta *sta) +{ + struct ath11k_sta *arsta; + + if (!sta) + return; + + arsta = ath11k_sta_to_arsta(sta); + + kfree(arsta->tx_stats); + arsta->tx_stats = NULL; + + kfree(arsta->rx_stats); + arsta->rx_stats = NULL; +} + void ath11k_mac_peer_cleanup_all(struct ath11k *ar) { struct ath11k_peer *peer, *tmp; @@ -885,6 +901,7 @@ void ath11k_mac_peer_cleanup_all(struct ath11k *ar) list_for_each_entry_safe(peer, tmp, &ab->peers, list) { ath11k_peer_rx_tid_cleanup(ar, peer); ath11k_peer_rhash_delete(ab, peer); + ath11k_mac_station_cleanup(peer->sta); list_del(&peer->list); kfree(peer); } @@ -9892,7 +9909,6 @@ static int ath11k_mac_station_remove(struct ath11k *ar, { struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); - struct ath11k_sta *arsta = ath11k_sta_to_arsta(sta); int ret; if (ab->hw_params.vdev_start_delay && @@ -9916,12 +9932,7 @@ static int ath11k_mac_station_remove(struct ath11k *ar, sta->addr, arvif->vdev_id); ath11k_mac_dec_num_stations(arvif, sta); - - kfree(arsta->tx_stats); - arsta->tx_stats = NULL; - - kfree(arsta->rx_stats); - arsta->rx_stats = NULL; + ath11k_mac_station_cleanup(sta); return ret; } diff --git a/drivers/net/wireless/ath/ath12k/wifi7/ahb.c b/drivers/net/wireless/ath/ath12k/wifi7/ahb.c index 98a6606ffd76..6e9e9034cba1 100644 --- a/drivers/net/wireless/ath/ath12k/wifi7/ahb.c +++ b/drivers/net/wireless/ath/ath12k/wifi7/ahb.c @@ -15,21 +15,6 @@ #include "dp.h" #include "core.h" -/* - * Node name to UserPD ID mapping - * - * The io_start field is used for additional validation when the reg - * property is present in the device tree. If io_start is 0, only - * node_name matching is performed. - * - * For platforms where not all WiFi nodes have a 'reg' property, set - * io_start to 0 for those entries. The driver will match purely by - * node name in such cases. - */ -static const struct ath12k_ahb_userpd_map ath12k_wifi7_ahb_userpd_map[] = { - { .io_start = 0x0c000000, .node_name = "wifi", .upd_id = ATH12K_AHB_USERPD_ID_0 }, -}; - static const struct ath12k_ahb_desc ath12k_wifi7_ahb_desc[] = { [ATH12K_HW_IPQ5332_HW10] = { .hw_rev = ATH12K_HW_IPQ5332_HW10, @@ -55,40 +40,6 @@ static const struct of_device_id ath12k_wifi7_ahb_of_match[] = { MODULE_DEVICE_TABLE(of, ath12k_wifi7_ahb_of_match); -/* - * ath12k_wifi7_ahb_get_userpd_id - Resolve UserPD ID from DT properties - * @ab: ath12k base structure - * - * Returns: UserPD ID (1-based) on success, 0 on failure - * - * Resolution logic: - * 1. If reg property exist in DT, get userpd_id from io_start - * 2. If reg property is absent, get userpd_id from DT node name - * 3. Return 0 if no match found (probe will fail) - */ -static u32 ath12k_wifi7_ahb_get_userpd_id(struct ath12k_base *ab) -{ - const struct ath12k_ahb_userpd_map *map; - struct resource *res; - size_t i; - - res = platform_get_resource(ab->pdev, IORESOURCE_MEM, 0); - - for (i = 0; i < ARRAY_SIZE(ath12k_wifi7_ahb_userpd_map); i++) { - map = &ath12k_wifi7_ahb_userpd_map[i]; - - if (res) { - if (map->io_start && map->io_start == res->start) - return map->upd_id; - } else if (map->node_name && - of_node_name_eq(ab->dev->of_node, map->node_name)) { - return map->upd_id; - } - } - - return 0; -} - static int ath12k_wifi7_ahb_probe(struct platform_device *pdev) { const struct ath12k_ahb_desc *desc; @@ -106,7 +57,7 @@ static int ath12k_wifi7_ahb_probe(struct platform_device *pdev) ab->hw_rev = desc->hw_rev; ab->hif.ops = desc->ops; ab_ahb->scm_auth_enabled = desc->auth_enabled; - ab_ahb->userpd_id = ath12k_wifi7_ahb_get_userpd_id(ab); + ab_ahb->userpd_id = ATH12K_AHB_USERPD_ID_0; if (!ab_ahb->userpd_id) return -EOPNOTSUPP; diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 44020ec265fb..801f1218ef89 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -1055,7 +1055,7 @@ void wcn36xx_dxe_deinit(struct wcn36xx *wcn) free_irq(wcn->tx_irq, wcn); free_irq(wcn->rx_irq, wcn); - timer_delete(&wcn->tx_ack_timer); + timer_shutdown_sync(&wcn->tx_ack_timer); if (wcn->tx_ack_skb) { ieee80211_tx_status_irqsafe(wcn->hw, wcn->tx_ack_skb); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index dad6f4563d14..d2ae67985606 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -555,6 +555,8 @@ void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success) if (type == ETH_P_PAE) { atomic_dec(&ifp->pend_8021x_cnt); + /* Order the decrement before waitqueue_active() */ + smp_mb__after_atomic(); if (waitqueue_active(&ifp->pend_8021x_wait)) wake_up(&ifp->pend_8021x_wait); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c index 545eb9aae966..6d5098f6f00f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c @@ -198,7 +198,7 @@ brcmf_cyw_external_auth(struct wiphy *wiphy, struct net_device *dev, { struct brcmf_if *ifp; struct brcmf_pub *drvr; - struct brcmf_auth_req_status_le auth_status; + struct brcmf_auth_req_status_le auth_status = {}; int ret = 0; brcmf_dbg(TRACE, "Enter\n"); @@ -206,6 +206,9 @@ brcmf_cyw_external_auth(struct wiphy *wiphy, struct net_device *dev, ifp = netdev_priv(dev); drvr = ifp->drvr; if (params->status == WLAN_STATUS_SUCCESS) { + if (params->pmkid) + memcpy(auth_status.pmkid, params->pmkid, + WLAN_PMKID_LEN); auth_status.flags = cpu_to_le16(BRCMF_EXTAUTH_SUCCESS); } else { bphy_err(drvr, "External authentication failed: status=%d\n", diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index 6255d673d2d3..c1a2318d7ea6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -1571,6 +1571,10 @@ void brcms_free_timer(struct brcms_timer *t) /* delete the timer in case it is active */ brcms_del_timer(t); + /* Ensure the callback has finished before freeing the timer + * structure, since brcms_del_timer() uses non-synchronous cancel. + */ + cancel_delayed_work_sync(&t->dly_wrk); if (wl->timers == t) { wl->timers = wl->timers->next; diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c index 2b8a23865bfb..43b4e432956b 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c @@ -2712,7 +2712,9 @@ static void __ipw2100_rx_process(struct ipw2100_priv *priv) break; } #endif - if (stats.len < sizeof(struct libipw_hdr_3addr)) + if (sq->drv[i].frame_size < + sizeof(struct libipw_hdr_3addr) || + sq->drv[i].frame_size > IPW_RX_NIC_BUFFER_LENGTH) break; switch (WLAN_FC_GET_TYPE(le16_to_cpu(u->rx_data.header.frame_ctl))) { case IEEE80211_FTYPE_MGMT: diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c index 4bc9bb406e8e..8249d493ee22 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c @@ -8322,6 +8322,15 @@ static void ipw_rx(struct ipw_priv *priv) break; } + if (unlikely(le16_to_cpu(pkt->u.frame.length) > + IPW_RX_BUF_SIZE - + IPW_RX_FRAME_SIZE)) { + IPW_DEBUG_DROP("Received oversized packet. Dropping.\n"); + priv->net_dev->stats.rx_errors++; + priv->wstats.discard.misc++; + break; + } + switch (WLAN_FC_GET_TYPE (le16_to_cpu(header->frame_ctl))) { diff --git a/drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c b/drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c index 24bb28ab7a49..2b0cf0ec496a 100644 --- a/drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c +++ b/drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c @@ -474,14 +474,16 @@ static int libipw_michael_mic_verify(struct sk_buff *skb, int keyidx, int hdr_len, void *priv) { struct libipw_tkip_data *tkey = priv; - u8 mic[8]; + u8 mic[MICHAEL_MIC_LEN]; - if (!tkey->key_set) + if (!tkey->key_set || skb->len < hdr_len + MICHAEL_MIC_LEN) return -1; michael_mic(&tkey->key[24], (struct ieee80211_hdr *)skb->data, - skb->data + hdr_len, skb->len - 8 - hdr_len, mic); - if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) { + skb->data + hdr_len, + skb->len - MICHAEL_MIC_LEN - hdr_len, mic); + if (memcmp(mic, skb->data + skb->len - MICHAEL_MIC_LEN, + MICHAEL_MIC_LEN) != 0) { struct ieee80211_hdr *hdr; hdr = (struct ieee80211_hdr *)skb->data; printk(KERN_DEBUG "%s: Michael MIC verification failed for " @@ -499,7 +501,7 @@ static int libipw_michael_mic_verify(struct sk_buff *skb, int keyidx, tkey->rx_iv32 = tkey->rx_iv32_new; tkey->rx_iv16 = tkey->rx_iv16_new; - skb_trim(skb, skb->len - 8); + skb_trim(skb, skb->len - MICHAEL_MIC_LEN); return 0; } diff --git a/drivers/net/wireless/intel/ipw2x00/libipw_rx.c b/drivers/net/wireless/intel/ipw2x00/libipw_rx.c index c8841f9b9ad9..424349a6935e 100644 --- a/drivers/net/wireless/intel/ipw2x00/libipw_rx.c +++ b/drivers/net/wireless/intel/ipw2x00/libipw_rx.c @@ -1209,6 +1209,9 @@ static int libipw_handle_assoc_resp(struct libipw_device *ieee, struct libipw_as struct libipw_network *network = &network_resp; struct net_device *dev = ieee->dev; + if (stats->len < sizeof(*frame)) + return 1; + network->flags = 0; network->qos_data.active = 0; network->qos_data.supported = 0; @@ -1421,6 +1424,9 @@ static void libipw_process_probe_response(struct libipw_device #endif unsigned long flags; + if (stats->len < sizeof(*beacon)) + return; + LIBIPW_DEBUG_SCAN("'%*pE' (%pM): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n", info_element->len, info_element->data, beacon->header.addr3, diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index 0bb807ff8edf..e5113c6b2d5c 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -2326,7 +2326,7 @@ il_dealloc_bcast_stations(struct il_priv *il) if (!(il->stations[i].used & IL_STA_BCAST)) continue; - il->stations[i].used &= ~IL_STA_UCODE_ACTIVE; + il->stations[i].used = 0; il->num_stations--; if (WARN_ON(il->num_stations < 0)) il->num_stations = 0; diff --git a/drivers/net/wireless/intersil/p54/eeprom.c b/drivers/net/wireless/intersil/p54/eeprom.c index 95580921d933..0475222d54fc 100644 --- a/drivers/net/wireless/intersil/p54/eeprom.c +++ b/drivers/net/wireless/intersil/p54/eeprom.c @@ -414,17 +414,22 @@ free: } static int p54_convert_rev0(struct ieee80211_hw *dev, - struct pda_pa_curve_data *curve_data) + struct pda_pa_curve_data *curve_data, size_t len) { struct p54_common *priv = dev->priv; struct p54_pa_curve_data_sample *dst; struct pda_pa_curve_data_sample_rev0 *src; + size_t needed = curve_data->channels * + (sizeof(*src) * curve_data->points_per_channel + 2); size_t cd_len = sizeof(*curve_data) + (curve_data->points_per_channel*sizeof(*dst) + 2) * curve_data->channels; unsigned int i, j; void *source, *target; + if (len < sizeof(*curve_data) + needed) + return -EINVAL; + priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len, GFP_KERNEL); if (!priv->curve_data) @@ -466,17 +471,22 @@ static int p54_convert_rev0(struct ieee80211_hw *dev, } static int p54_convert_rev1(struct ieee80211_hw *dev, - struct pda_pa_curve_data *curve_data) + struct pda_pa_curve_data *curve_data, size_t len) { struct p54_common *priv = dev->priv; struct p54_pa_curve_data_sample *dst; struct pda_pa_curve_data_sample_rev1 *src; + size_t needed = curve_data->channels * + (sizeof(*src) * curve_data->points_per_channel + 3); size_t cd_len = sizeof(*curve_data) + (curve_data->points_per_channel*sizeof(*dst) + 2) * curve_data->channels; unsigned int i, j; void *source, *target; + if (len < sizeof(*curve_data) + needed) + return -EINVAL; + priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data), GFP_KERNEL); if (!priv->curve_data) @@ -763,6 +773,7 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) case PDR_PRISM_PA_CAL_CURVE_DATA: { struct pda_pa_curve_data *curve_data = (struct pda_pa_curve_data *)entry->data; + if (data_len < sizeof(*curve_data)) { err = -EINVAL; goto err; @@ -770,10 +781,10 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) switch (curve_data->cal_method_rev) { case 0: - err = p54_convert_rev0(dev, curve_data); + err = p54_convert_rev0(dev, curve_data, data_len); break; case 1: - err = p54_convert_rev1(dev, curve_data); + err = p54_convert_rev1(dev, curve_data, data_len); break; default: wiphy_err(dev->wiphy, @@ -801,7 +812,8 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) break; case PDR_INTERFACE_LIST: tmp = entry->data; - while ((u8 *)tmp < entry->data + data_len) { + while ((u8 *)tmp + sizeof(struct exp_if) <= + entry->data + data_len) { struct exp_if *exp_if = tmp; if (exp_if->if_id == cpu_to_le16(IF_ID_ISL39000)) synth = le16_to_cpu(exp_if->variant); diff --git a/drivers/net/wireless/marvell/libertas_tf/main.c b/drivers/net/wireless/marvell/libertas_tf/main.c index 42be6fa22f9c..411f075b6186 100644 --- a/drivers/net/wireless/marvell/libertas_tf/main.c +++ b/drivers/net/wireless/marvell/libertas_tf/main.c @@ -173,8 +173,8 @@ static int lbtf_init_adapter(struct lbtf_private *priv) static void lbtf_free_adapter(struct lbtf_private *priv) { lbtf_deb_enter(LBTF_DEB_MAIN); - lbtf_free_cmd_buffer(priv); timer_delete_sync(&priv->command_timer); + lbtf_free_cmd_buffer(priv); lbtf_deb_leave(LBTF_DEB_MAIN); } diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 7a1ba32f1fb3..936939ea9c47 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -4277,6 +4277,7 @@ mwifiex_cfg80211_authenticate(struct wiphy *wiphy, struct mwifiex_adapter *adapter = priv->adapter; struct sk_buff *skb; u16 pkt_len, auth_alg; + size_t frame_len; int ret; struct mwifiex_ieee80211_mgmt *mgmt; struct mwifiex_txinfo *tx_info; @@ -4349,10 +4350,17 @@ mwifiex_cfg80211_authenticate(struct wiphy *wiphy, mwifiex_cancel_scan(adapter); - pkt_len = (u16)req->ie_len + req->auth_data_len + + frame_len = req->ie_len + req->auth_data_len + MWIFIEX_MGMT_HEADER_LEN + MWIFIEX_AUTH_BODY_LEN; if (req->auth_data_len >= 4) - pkt_len -= 4; + frame_len -= 4; + + if (frame_len > U16_MAX) { + mwifiex_dbg(priv->adapter, ERROR, + "auth frame too long: %zu bytes\n", frame_len); + return -EINVAL; + } + pkt_len = frame_len; skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + MWIFIEX_MGMT_FRAME_HEADER_SIZE + diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index a760de191fce..a9425e9a94f4 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -3068,7 +3068,7 @@ static int mwifiex_pcie_request_irq(struct mwifiex_adapter *adapter) ret); for (j = 0; j < i; j++) free_irq(card->msix_entries[j].vector, - &card->msix_ctx[i]); + &card->msix_ctx[j]); pci_disable_msix(pdev); } else { mwifiex_dbg(adapter, MSG, "MSIx enabled!"); diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 97c0ec3b822e..bdd4b8465863 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -104,12 +104,24 @@ has_vendor_hdr(struct ieee_types_vendor_specific *ie, u8 key) * a given oui in PTK. */ static u8 -mwifiex_search_oui_in_ie(struct ie_body *iebody, u8 *oui) +mwifiex_search_oui_in_ie(struct ie_body *iebody, u8 *oui, int ie_len) { + const size_t ptk_body_offset = offsetof(struct ie_body, ptk_body); u8 count; + /* ie_len is the number of bytes available at iebody. Keep it signed + * and reject a negative (underflowed) length before the unsigned + * comparisons below, so a small or zero IE length cannot wrap. + */ + if (ie_len < 0 || (size_t)ie_len < ptk_body_offset) + return MWIFIEX_OUI_NOT_PRESENT; + count = iebody->ptk_cnt[0]; + /* Reject an OUI count whose list would run past the element. */ + if (ptk_body_offset + count * sizeof(iebody->ptk_body) > (size_t)ie_len) + return MWIFIEX_OUI_NOT_PRESENT; + /* There could be multiple OUIs for PTK hence 1) Take the length. 2) Check all the OUIs for AES. @@ -143,11 +155,14 @@ mwifiex_is_rsn_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher) u8 ret = MWIFIEX_OUI_NOT_PRESENT; if (has_ieee_hdr(bss_desc->bcn_rsn_ie, WLAN_EID_RSN)) { + int ie_len = (int)bss_desc->bcn_rsn_ie->ieee_hdr.len - + RSN_GTK_OUI_OFFSET; + iebody = (struct ie_body *) (((u8 *) bss_desc->bcn_rsn_ie->data) + RSN_GTK_OUI_OFFSET); oui = &mwifiex_rsn_oui[cipher][0]; - ret = mwifiex_search_oui_in_ie(iebody, oui); + ret = mwifiex_search_oui_in_ie(iebody, oui, ie_len); if (ret) return ret; } @@ -169,10 +184,14 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher) u8 ret = MWIFIEX_OUI_NOT_PRESENT; if (has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC)) { + int ie_len = (int)bss_desc->bcn_wpa_ie->vend_hdr.len - + (int)sizeof(bss_desc->bcn_wpa_ie->vend_hdr.oui) - + WPA_GTK_OUI_OFFSET; + iebody = (struct ie_body *)((u8 *)bss_desc->bcn_wpa_ie->data + WPA_GTK_OUI_OFFSET); oui = &mwifiex_wpa_oui[cipher][0]; - ret = mwifiex_search_oui_in_ie(iebody, oui); + ret = mwifiex_search_oui_in_ie(iebody, oui, ie_len); if (ret) return ret; } @@ -2096,6 +2115,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, u32 bytes_left; u32 idx; u32 tlv_buf_size; + size_t fixed_size; struct mwifiex_ie_types_chan_band_list_param_set *chan_band_tlv; struct chan_band_param_set *chan_band; u8 is_bgscan_resp; @@ -2111,6 +2131,14 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, else scan_rsp = &resp->params.scan_resp; + scan_resp_size = le16_to_cpu(resp->size); + fixed_size = scan_rsp->bss_desc_and_tlv_buffer - (u8 *)resp; + if (scan_resp_size < fixed_size) { + mwifiex_dbg(adapter, ERROR, + "SCAN_RESP: response is too short\n"); + ret = -1; + goto check_next_scan; + } if (scan_rsp->number_of_sets > MWIFIEX_MAX_AP) { mwifiex_dbg(adapter, ERROR, @@ -2128,8 +2156,6 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, "info: SCAN_RESP: bss_descript_size %d\n", bytes_left); - scan_resp_size = le16_to_cpu(resp->size); - mwifiex_dbg(adapter, INFO, "info: SCAN_RESP: returned %d APs before parsing\n", scan_rsp->number_of_sets); @@ -2137,15 +2163,17 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, bss_info = scan_rsp->bss_desc_and_tlv_buffer; /* - * The size of the TLV buffer is equal to the entire command response - * size (scan_resp_size) minus the fixed fields (sizeof()'s), the - * BSS Descriptions (bss_descript_size as bytesLef) and the command - * response header (S_DS_GEN) + * The TLV buffer follows the command-specific fixed fields and the BSS + * descriptions. Background-scan responses have an additional fixed + * field before scan_rsp, which is included in fixed_size. */ - tlv_buf_size = scan_resp_size - (bytes_left - + sizeof(scan_rsp->bss_descript_size) - + sizeof(scan_rsp->number_of_sets) - + S_DS_GEN); + if (bytes_left > scan_resp_size - fixed_size) { + mwifiex_dbg(adapter, ERROR, + "SCAN_RESP: BSS data exceeds response\n"); + ret = -1; + goto check_next_scan; + } + tlv_buf_size = scan_resp_size - fixed_size - bytes_left; tlv_data = (struct mwifiex_ie_types_data *) (scan_rsp-> bss_desc_and_tlv_buffer + diff --git a/drivers/net/wireless/marvell/mwifiex/util.c b/drivers/net/wireless/marvell/mwifiex/util.c index 7d3631d21223..71305efb77ac 100644 --- a/drivers/net/wireless/marvell/mwifiex/util.c +++ b/drivers/net/wireless/marvell/mwifiex/util.c @@ -317,10 +317,16 @@ mwifiex_parse_mgmt_packet(struct mwifiex_private *priv, u8 *payload, u16 len, switch (stype) { case IEEE80211_STYPE_ACTION: - category = *(payload + sizeof(struct ieee80211_hdr)); + if (len < sizeof(*ieee_hdr) + 1) + return -1; + + category = *(payload + sizeof(*ieee_hdr)); switch (category) { case WLAN_CATEGORY_PUBLIC: - action_code = *(payload + sizeof(struct ieee80211_hdr) + if (len < sizeof(*ieee_hdr) + 2) + return -1; + + action_code = *(payload + sizeof(*ieee_hdr) + 1); if (action_code == WLAN_PUB_ACTION_TDLS_DISCOVER_RES) { addr2 = ieee_hdr->addr2; diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index bb2748a19329..9ad21d41e999 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -1058,6 +1058,13 @@ void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size) if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size)) goto out_rx_mgmt; + /* ieee80211_is_public_action() only validates up to the category + * byte, so reject frames too short for the P2P public action header + * before dereferencing it or computing size - ie_offset. + */ + if (size < ie_offset) + goto out_rx_mgmt; + d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action); if (d->oui_subtype != GO_NEG_REQ && d->oui_subtype != GO_NEG_RSP && d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP) @@ -1200,6 +1207,13 @@ static int mgmt_tx(struct wiphy *wiphy, goto out_set_timeout; } + /* ieee80211_is_public_action() only validates up to the category + * byte, so reject frames too short for the P2P public action header + * before dereferencing it or computing len - ie_offset. + */ + if (len < ie_offset) + goto out_set_timeout; + d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action); if (d->oui_type != WLAN_OUI_TYPE_WFA_P2P || d->oui_subtype != GO_NEG_CONF) { diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 4b116fe6f9ea..55a77a2e3288 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -1197,6 +1197,15 @@ static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status) if (size <= 0) return; + /* A size exceeding the RX buffer is bogus; drop the transfer + * instead of overflowing the buffer. + */ + if (size > WILC_RX_BUFF_SIZE) { + wilc->hif_func->hif_clear_int_ext(wilc, + DATA_INT_CLR | ENABLE_RX_VMM); + return; + } + if (WILC_RX_BUFF_SIZE - offset < size) offset = 0; diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index bb167f03367b..d9dcbb255317 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -852,8 +852,6 @@ int rsi_hal_load_key(struct rsi_common *common, memcpy(set_key->tx_mic_key, &data[16], 8); memcpy(set_key->rx_mic_key, &data[24], 8); } - } else { - memset(&set_key[FRAME_DESC_SZ], 0, frame_len - FRAME_DESC_SZ); } skb_put(skb, frame_len); diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 5595f7a1fc0c..edf6ca23c6c3 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -3724,10 +3724,8 @@ void wlcore_regdomain_config(struct wl1271 *wl) goto out; ret = wlcore_cmd_regdomain_config_locked(wl); - if (ret < 0) { + if (ret < 0) wl12xx_queue_recovery_work(wl); - goto out; - } pm_runtime_put_autosuspend(wl->dev); out: diff --git a/drivers/net/wireless/virtual/mac80211_hwsim_main.c b/drivers/net/wireless/virtual/mac80211_hwsim_main.c index 02b6d81cccd1..b9446577ff49 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim_main.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim_main.c @@ -2327,7 +2327,12 @@ static void mac80211_hwsim_stop(struct ieee80211_hw *hw, bool suspend) struct sk_buff *skb; int i; - data->started = false; + /* + * Serialise against wmediumd userspace, so no more frames + * can be handed to mac80211 after this returns. + */ + scoped_guard(mutex, &data->mutex) + data->started = false; for (i = 0; i < ARRAY_SIZE(data->link_data); i++) hrtimer_cancel(&data->link_data[i].beacon_timer); @@ -6505,12 +6510,12 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, if (frame_data_len < sizeof(struct ieee80211_hdr_3addr) || frame_data_len > IEEE80211_MAX_DATA_LEN) - goto err; + goto out; /* Allocate new skb here */ skb = alloc_skb(frame_data_len, GFP_KERNEL); if (skb == NULL) - goto err; + goto out; /* Copy the data */ skb_put_data(skb, frame_data, frame_data_len); @@ -6535,10 +6540,17 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, goto out; } + /* + * Serialise against mac80211_hwsim_stop() - mac80211 doesn't allow + * frames reported while the HW is down, hence the ->started check + * must be under mutex. + */ + mutex_lock(&data2->mutex); + /* check if radio is configured properly */ if ((data2->idle && !data2->tmp_chan) || !data2->started) - goto out; + goto out_unlock; /* A frame is received from user space */ memset(&rx_status, 0, sizeof(rx_status)); @@ -6557,22 +6569,18 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, iter_data.channel = ieee80211_get_channel(data2->hw->wiphy, rx_status.freq); if (!iter_data.channel) - goto out; + goto out_unlock; rx_status.band = iter_data.channel->band; - mutex_lock(&data2->mutex); if (!hwsim_chans_compat(iter_data.channel, channel)) { ieee80211_iterate_active_interfaces_atomic( data2->hw, IEEE80211_IFACE_ITER_NORMAL, mac80211_hwsim_tx_iter, &iter_data); - if (!iter_data.receive) { - mutex_unlock(&data2->mutex); - goto out; - } + if (!iter_data.receive) + goto out_unlock; } - mutex_unlock(&data2->mutex); } else if (!channel) { - goto out; + goto out_unlock; } else { rx_status.freq = channel->center_freq; rx_status.band = channel->band; @@ -6580,7 +6588,7 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]); if (rx_status.rate_idx >= data2->hw->wiphy->bands[rx_status.band]->n_bitrates) - goto out; + goto out_unlock; rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]); hdr = (void *)skb->data; @@ -6590,10 +6598,11 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, rx_status.boottime_ns = ktime_get_boottime_ns(); mac80211_hwsim_rx(data2, &rx_status, skb); + mutex_unlock(&data2->mutex); return 0; -err: - pr_debug("mac80211_hwsim: error occurred in %s\n", __func__); +out_unlock: + mutex_unlock(&data2->mutex); out: dev_kfree_skb(skb); return -EINVAL; diff --git a/drivers/net/wireless/virtual/virt_wifi.c b/drivers/net/wireless/virtual/virt_wifi.c index 2335e45db8b8..48afc2432f93 100644 --- a/drivers/net/wireless/virtual/virt_wifi.c +++ b/drivers/net/wireless/virtual/virt_wifi.c @@ -434,6 +434,7 @@ static netdev_tx_t virt_wifi_start_xmit(struct sk_buff *skb, priv->tx_packets++; if (!priv->is_connected) { priv->tx_failed++; + dev_kfree_skb_any(skb); return NET_XMIT_DROP; } @@ -557,7 +558,6 @@ static int virt_wifi_newlink(struct net_device *dev, } eth_hw_addr_inherit(dev, priv->lowerdev); - netif_stacked_transfer_operstate(priv->lowerdev, dev); dev->ieee80211_ptr = kzalloc_obj(*dev->ieee80211_ptr); @@ -583,6 +583,8 @@ static int virt_wifi_newlink(struct net_device *dev, goto unregister_netdev; } + netif_stacked_transfer_operstate(priv->lowerdev, dev); + dev->priv_destructor = virt_wifi_net_device_destructor; priv->being_deleted = false; priv->is_connected = false; |