mac80211: backport security fixes (#10324)

* mac80211: backport security fixes

This mainly affects scanning and beacon parsing, especially with MBSSID enabled

Fixes: CVE-2022-41674
Fixes: CVE-2022-42719
Fixes: CVE-2022-42720
Fixes: CVE-2022-42721
Fixes: CVE-2022-42722
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 26f400210d6b3780fcc0deb89b9741837df9c8b8)

* mac80211: refresh patches

355-wifi-cfg80211-fix-BSS-refcounting-bugs.patch - 5a52384a51

Co-authored-by: Felix Fietkau <nbd@nbd.name>
Co-authored-by: 1054009064 <1054009064@users.noreply.github.com>
This commit is contained in:
1054009064 2022-10-28 03:17:13 -04:00 committed by GitHub
parent 99b245df33
commit d05fbef769
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
31 changed files with 2130 additions and 155 deletions

View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -3333,7 +3333,11 @@
@@ -3333,7 +3333,11 @@ static int ath10k_core_probe_fw(struct a
ath10k_debug_print_board_info(ar);
}

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 44a11b0..178e692 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -245,7 +245,11 @@
@@ -245,7 +245,11 @@ static int brcmf_netdev_set_mac_address(
} else {
brcmf_dbg(TRACE, "updated to %pM\n", sa->sa_data);
memcpy(ifp->mac_addr, sa->sa_data, ETH_ALEN);
@ -14,7 +12,7 @@ index 44a11b0..178e692 100644
}
return err;
}
@@ -424,6 +428,7 @@
@@ -424,6 +428,7 @@ void brcmf_netif_rx(struct brcmf_if *ifp
ifp->ndev->stats.rx_packets++;
brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol));
@ -22,7 +20,7 @@ index 44a11b0..178e692 100644
if (inirq) {
netif_rx(skb);
} else {
@@ -433,6 +438,9 @@
@@ -433,6 +438,9 @@ void brcmf_netif_rx(struct brcmf_if *ifp
*/
netif_rx_ni(skb);
}
@ -32,7 +30,7 @@ index 44a11b0..178e692 100644
}
void brcmf_netif_mon_rx(struct brcmf_if *ifp, struct sk_buff *skb)
@@ -673,7 +681,11 @@
@@ -673,7 +681,11 @@ int brcmf_net_attach(struct brcmf_if *if
ndev->ethtool_ops = &brcmf_ethtool_ops;
/* set the mac address & netns */
@ -44,7 +42,7 @@ index 44a11b0..178e692 100644
dev_net_set(ndev, wiphy_net(cfg_to_wiphy(drvr->config)));
INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
@@ -848,7 +860,11 @@
@@ -848,7 +860,11 @@ static int brcmf_net_p2p_attach(struct b
ndev->netdev_ops = &brcmf_netdev_ops_p2p;
/* set the mac address */
@ -56,11 +54,9 @@ index 44a11b0..178e692 100644
if (register_netdev(ndev) != 0) {
bphy_err(drvr, "couldn't register the p2p net device\n");
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index 9ac0d8c..4735063 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -2125,7 +2125,7 @@ static int brcmf_p2p_disable_p2p_if(struct brcmf_cfg80211_vif *vif)
@@ -2125,7 +2125,7 @@ static int brcmf_p2p_disable_p2p_if(stru
struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev);
struct net_device *pri_ndev = cfg_to_ndev(cfg);
struct brcmf_if *ifp = netdev_priv(pri_ndev);
@ -69,7 +65,7 @@ index 9ac0d8c..4735063 100644
return brcmf_fil_iovar_data_set(ifp, "p2p_ifdis", addr, ETH_ALEN);
}
@@ -2135,7 +2135,7 @@ static int brcmf_p2p_release_p2p_if(struct brcmf_cfg80211_vif *vif)
@@ -2135,7 +2135,7 @@ static int brcmf_p2p_release_p2p_if(stru
struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev);
struct net_device *pri_ndev = cfg_to_ndev(cfg);
struct brcmf_if *ifp = netdev_priv(pri_ndev);
@ -78,11 +74,9 @@ index 9ac0d8c..4735063 100644
return brcmf_fil_iovar_data_set(ifp, "p2p_ifdel", addr, ETH_ALEN);
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 8effeb7..04362e2 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4164,7 +4164,11 @@
@@ -4164,7 +4164,11 @@ static int brcmf_sdio_bus_reset(struct d
/* reset the adapter */
sdio_claim_host(sdiodev->func1);
@ -94,8 +88,6 @@ index 8effeb7..04362e2 100644
sdio_release_host(sdiodev->func1);
brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_DOWN);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ab83553..7941d28 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -5555,7 +5555,7 @@ struct wireless_dev {
@ -107,11 +99,9 @@ index ab83553..7941d28 100644
{
if (wdev->netdev)
return wdev->netdev->dev_addr;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 57aa863..f5ebb5a 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1274,9 +1274,13 @@
@@ -1274,9 +1274,13 @@ int ieee80211_do_open(struct wireless_de
* this interface, if it has the special null one.
*/
if (dev && is_zero_ether_addr(dev->dev_addr)) {
@ -125,7 +115,7 @@ index 57aa863..f5ebb5a 100644
memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN);
if (!is_valid_ether_addr(dev->dev_addr)) {
@@ -2136,9 +2140,17 @@
@@ -2136,9 +2140,17 @@ int ieee80211_if_add(struct ieee80211_lo
ieee80211_assign_perm_addr(local, ndev->perm_addr, type);
if (is_valid_ether_addr(params->macaddr))

View File

@ -1,5 +1,5 @@
--- a/drivers/staging/rtl8723bs/include/osdep_service_linux.h
+++ a/drivers/staging/rtl8723bs/include/osdep_service_linux.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service_linux.h
@@ -45,7 +45,11 @@
spinlock_t lock;
};

View File

@ -1,6 +1,6 @@
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -2149,7 +2149,11 @@
@@ -2149,7 +2149,11 @@ void cfg80211_send_layer2_update(struct
skb->dev = dev;
skb->protocol = eth_type_trans(skb, dev);
memset(skb->cb, 0, sizeof(skb->cb));

View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
@@ -586,10 +586,18 @@ static void rt2x00usb_assign_endpoint(struct data_queue *queue,
@@ -586,10 +586,18 @@ static void rt2x00usb_assign_endpoint(st
if (queue->qid == QID_RX) {
pipe = usb_rcvbulkpipe(usb_dev, queue->usb_endpoint);

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
index 5cdc54c9a9aae..3c07485d6ba47 100644
--- a/drivers/net/wireless/realtek/rtw88/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -466,8 +466,8 @@ static int rtw_ops_sta_remove(struct ieee80211_hw *hw,
@@ -455,8 +455,8 @@ static int rtw_ops_sta_remove(struct iee
{
struct rtw_dev *rtwdev = hw->priv;

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index 1a52ff585fbc7..ba5ba852efb8c 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -144,7 +144,9 @@ static int rtw_debugfs_get_rf_read(struct seq_file *m, void *v)
@@ -143,7 +143,9 @@ static int rtw_debugfs_get_rf_read(struc
addr = debugfs_priv->rf_addr;
mask = debugfs_priv->rf_mask;
@ -12,7 +10,7 @@ index 1a52ff585fbc7..ba5ba852efb8c 100644
seq_printf(m, "rf_read path:%d addr:0x%08x mask:0x%08x val=0x%08x\n",
path, addr, mask, val);
@@ -418,7 +420,9 @@ static ssize_t rtw_debugfs_set_rf_write(struct file *filp,
@@ -401,7 +403,9 @@ static ssize_t rtw_debugfs_set_rf_write(
return count;
}
@ -22,7 +20,7 @@ index 1a52ff585fbc7..ba5ba852efb8c 100644
rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
"write_rf path:%d addr:0x%08x mask:0x%08x, val:0x%08x\n",
path, addr, mask, val);
@@ -523,6 +527,8 @@ static int rtw_debug_get_rf_dump(struct seq_file *m, void *v)
@@ -481,6 +485,8 @@ static int rtw_debug_get_rf_dump(struct
u32 addr, offset, data;
u8 path;
@ -31,7 +29,7 @@ index 1a52ff585fbc7..ba5ba852efb8c 100644
for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
seq_printf(m, "RF path:%d\n", path);
for (addr = 0; addr < 0x100; addr += 4) {
@@ -537,6 +543,8 @@ static int rtw_debug_get_rf_dump(struct seq_file *m, void *v)
@@ -495,6 +501,8 @@ static int rtw_debug_get_rf_dump(struct
seq_puts(m, "\n");
}
@ -40,7 +38,7 @@ index 1a52ff585fbc7..ba5ba852efb8c 100644
return 0;
}
@@ -1027,6 +1035,8 @@ static void dump_gapk_status(struct rtw_dev *rtwdev, struct seq_file *m)
@@ -911,6 +919,8 @@ static void dump_gapk_status(struct rtw_
dm_info->dm_flags & BIT(RTW_DM_CAP_TXGAPK) ? '-' : '+',
rtw_dm_cap_strs[RTW_DM_CAP_TXGAPK]);
@ -49,7 +47,7 @@ index 1a52ff585fbc7..ba5ba852efb8c 100644
for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
val = rtw_read_rf(rtwdev, path, RF_GAINTX, RFREG_MASK);
seq_printf(m, "path %d:\n0x%x = 0x%x\n", path, RF_GAINTX, val);
@@ -1036,6 +1046,7 @@ static void dump_gapk_status(struct rtw_dev *rtwdev, struct seq_file *m)
@@ -920,6 +930,7 @@ static void dump_gapk_status(struct rtw_
txgapk->rf3f_fs[path][i], i);
seq_puts(m, "\n");
}
@ -57,8 +55,6 @@ index 1a52ff585fbc7..ba5ba852efb8c 100644
}
static int rtw_debugfs_get_dm_cap(struct seq_file *m, void *v)
diff --git a/drivers/net/wireless/realtek/rtw88/hci.h b/drivers/net/wireless/realtek/rtw88/hci.h
index 4c6fc6fb3f83b..830d7532f2a35 100644
--- a/drivers/net/wireless/realtek/rtw88/hci.h
+++ b/drivers/net/wireless/realtek/rtw88/hci.h
@@ -166,12 +166,11 @@ static inline u32
@ -89,11 +85,9 @@ index 4c6fc6fb3f83b..830d7532f2a35 100644
}
static inline u32
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 8b9899e41b0bb..f9864840ffd9c 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1994,7 +1994,6 @@ int rtw_core_init(struct rtw_dev *rtwdev)
@@ -1839,7 +1839,6 @@ int rtw_core_init(struct rtw_dev *rtwdev
skb_queue_head_init(&rtwdev->coex.queue);
skb_queue_head_init(&rtwdev->tx_report.queue);
@ -101,11 +95,9 @@ index 8b9899e41b0bb..f9864840ffd9c 100644
spin_lock_init(&rtwdev->h2c.lock);
spin_lock_init(&rtwdev->txq_lock);
spin_lock_init(&rtwdev->tx_report.q_lock);
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index 17815af9dd4ea..df6c6032bbd3b 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -1994,9 +1994,6 @@ struct rtw_dev {
@@ -1842,9 +1842,6 @@ struct rtw_dev {
/* ensures exclusive access from mac80211 callbacks */
struct mutex mutex;

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index ba5ba852efb8c..79939aa6b752c 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -396,7 +396,9 @@ static ssize_t rtw_debugfs_set_h2c(struct file *filp,
@@ -379,7 +379,9 @@ static ssize_t rtw_debugfs_set_h2c(struc
return -EINVAL;
}
@ -12,11 +10,9 @@ index ba5ba852efb8c..79939aa6b752c 100644
return count;
}
diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
index aa2aeb5fb2ccd..c3ad2a1b47212 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -320,7 +320,7 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
@@ -285,7 +285,7 @@ static void rtw_fw_send_h2c_command(stru
h2c[3], h2c[2], h2c[1], h2c[0],
h2c[7], h2c[6], h2c[5], h2c[4]);
@ -25,7 +21,7 @@ index aa2aeb5fb2ccd..c3ad2a1b47212 100644
box = rtwdev->h2c.last_box_num;
switch (box) {
@@ -342,7 +342,7 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
@@ -307,7 +307,7 @@ static void rtw_fw_send_h2c_command(stru
break;
default:
WARN(1, "invalid h2c mail box number\n");
@ -34,7 +30,7 @@ index aa2aeb5fb2ccd..c3ad2a1b47212 100644
}
ret = read_poll_timeout_atomic(rtw_read8, box_state,
@@ -351,7 +351,7 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
@@ -316,7 +316,7 @@ static void rtw_fw_send_h2c_command(stru
if (ret) {
rtw_err(rtwdev, "failed to send h2c command\n");
@ -43,7 +39,7 @@ index aa2aeb5fb2ccd..c3ad2a1b47212 100644
}
for (idx = 0; idx < 4; idx++)
@@ -361,9 +361,6 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
@@ -326,9 +326,6 @@ static void rtw_fw_send_h2c_command(stru
if (++rtwdev->h2c.last_box_num >= 4)
rtwdev->h2c.last_box_num = 0;
@ -53,7 +49,7 @@ index aa2aeb5fb2ccd..c3ad2a1b47212 100644
}
void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
@@ -375,15 +372,13 @@ static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
@@ -340,15 +337,13 @@ static void rtw_fw_send_h2c_packet(struc
{
int ret;
@ -70,11 +66,9 @@ index aa2aeb5fb2ccd..c3ad2a1b47212 100644
}
void
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index f9864840ffd9c..baf4d29fde678 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1994,7 +1994,6 @@ int rtw_core_init(struct rtw_dev *rtwdev)
@@ -1839,7 +1839,6 @@ int rtw_core_init(struct rtw_dev *rtwdev
skb_queue_head_init(&rtwdev->coex.queue);
skb_queue_head_init(&rtwdev->tx_report.queue);
@ -82,11 +76,9 @@ index f9864840ffd9c..baf4d29fde678 100644
spin_lock_init(&rtwdev->txq_lock);
spin_lock_init(&rtwdev->tx_report.q_lock);
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index df6c6032bbd3b..619ee6e8d2807 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -2018,8 +2018,6 @@ struct rtw_dev {
@@ -1865,8 +1865,6 @@ struct rtw_dev {
struct {
/* incicate the mail box to use with fw */
u8 last_box_num;

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c
index cac053f485c3b..b156f8c48ffbb 100644
--- a/drivers/net/wireless/realtek/rtw88/coex.c
+++ b/drivers/net/wireless/realtek/rtw88/coex.c
@@ -633,7 +633,7 @@ static struct sk_buff *rtw_coex_info_request(struct rtw_dev *rtwdev,
@@ -606,7 +606,7 @@ static struct sk_buff *rtw_coex_info_req
struct rtw_coex *coex = &rtwdev->coex;
struct sk_buff *skb_resp = NULL;
@ -11,7 +9,7 @@ index cac053f485c3b..b156f8c48ffbb 100644
rtw_fw_query_bt_mp_info(rtwdev, req);
@@ -650,7 +650,6 @@ static struct sk_buff *rtw_coex_info_request(struct rtw_dev *rtwdev,
@@ -623,7 +623,6 @@ static struct sk_buff *rtw_coex_info_req
}
out:
@ -19,11 +17,9 @@ index cac053f485c3b..b156f8c48ffbb 100644
return skb_resp;
}
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index 79939aa6b752c..1453a32ea3ef0 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -842,7 +842,9 @@ static int rtw_debugfs_get_coex_info(struct seq_file *m, void *v)
@@ -794,7 +794,9 @@ static int rtw_debugfs_get_coex_info(str
struct rtw_debugfs_priv *debugfs_priv = m->private;
struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
@ -33,11 +29,9 @@ index 79939aa6b752c..1453a32ea3ef0 100644
return 0;
}
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index baf4d29fde678..5afb8bef9696a 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1998,7 +1998,6 @@ int rtw_core_init(struct rtw_dev *rtwdev)
@@ -1843,7 +1843,6 @@ int rtw_core_init(struct rtw_dev *rtwdev
spin_lock_init(&rtwdev->tx_report.q_lock);
mutex_init(&rtwdev->mutex);
@ -45,7 +39,7 @@ index baf4d29fde678..5afb8bef9696a 100644
mutex_init(&rtwdev->hal.tx_power_mutex);
init_waitqueue_head(&rtwdev->coex.wait);
@@ -2066,7 +2065,6 @@ void rtw_core_deinit(struct rtw_dev *rtwdev)
@@ -1910,7 +1909,6 @@ void rtw_core_deinit(struct rtw_dev *rtw
}
mutex_destroy(&rtwdev->mutex);
@ -53,11 +47,9 @@ index baf4d29fde678..5afb8bef9696a 100644
mutex_destroy(&rtwdev->hal.tx_power_mutex);
}
EXPORT_SYMBOL(rtw_core_deinit);
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index 619ee6e8d2807..fc27066a67a72 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -1507,8 +1507,6 @@ struct rtw_coex_stat {
@@ -1429,8 +1429,6 @@ struct rtw_coex_stat {
};
struct rtw_coex {

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c
index e505d17f107e4..5521a7c2c1afe 100644
--- a/drivers/net/wireless/realtek/rtw88/phy.c
+++ b/drivers/net/wireless/realtek/rtw88/phy.c
@@ -300,7 +300,7 @@ static void rtw_phy_stat_rssi(struct rtw_dev *rtwdev)
@@ -240,7 +240,7 @@ static void rtw_phy_stat_rssi(struct rtw
data.rtwdev = rtwdev;
data.min_rssi = U8_MAX;
@ -11,7 +9,7 @@ index e505d17f107e4..5521a7c2c1afe 100644
dm_info->pre_min_rssi = dm_info->min_rssi;
dm_info->min_rssi = data.min_rssi;
@@ -544,7 +544,7 @@ static void rtw_phy_ra_info_update(struct rtw_dev *rtwdev)
@@ -484,7 +484,7 @@ static void rtw_phy_ra_info_update(struc
if (rtwdev->watch_dog_cnt & 0x3)
return;
@ -20,7 +18,7 @@ index e505d17f107e4..5521a7c2c1afe 100644
}
static u32 rtw_phy_get_rrsr_mask(struct rtw_dev *rtwdev, u8 rate_idx)
@@ -597,7 +597,7 @@ static void rtw_phy_rrsr_update(struct rtw_dev *rtwdev)
@@ -537,7 +537,7 @@ static void rtw_phy_rrsr_update(struct r
struct rtw_dm_info *dm_info = &rtwdev->dm_info;
dm_info->rrsr_mask_min = RRSR_RATE_ORDER_MAX;
@ -29,11 +27,9 @@ index e505d17f107e4..5521a7c2c1afe 100644
rtw_write32(rtwdev, REG_RRSR, dm_info->rrsr_val_init & dm_info->rrsr_mask_min);
}
diff --git a/drivers/net/wireless/realtek/rtw88/ps.c b/drivers/net/wireless/realtek/rtw88/ps.c
index bfa64c038f5f0..a7213ff2c2244 100644
--- a/drivers/net/wireless/realtek/rtw88/ps.c
+++ b/drivers/net/wireless/realtek/rtw88/ps.c
@@ -58,7 +58,7 @@ int rtw_leave_ips(struct rtw_dev *rtwdev)
@@ -58,7 +58,7 @@ int rtw_leave_ips(struct rtw_dev *rtwdev
return ret;
}
@ -42,11 +38,9 @@ index bfa64c038f5f0..a7213ff2c2244 100644
rtw_coex_ips_notify(rtwdev, COEX_IPS_LEAVE);
diff --git a/drivers/net/wireless/realtek/rtw88/util.c b/drivers/net/wireless/realtek/rtw88/util.c
index 2c515af214e76..ed61c962fa27f 100644
--- a/drivers/net/wireless/realtek/rtw88/util.c
+++ b/drivers/net/wireless/realtek/rtw88/util.c
@@ -105,3 +105,106 @@ void rtw_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss)
@@ -105,3 +105,106 @@ void rtw_desc_to_mcsrate(u16 rate, u8 *m
*mcs = rate - DESC_RATEMCS0;
}
}
@ -153,8 +147,6 @@ index 2c515af214e76..ed61c962fa27f 100644
+ kfree(vif_entry);
+ }
+}
diff --git a/drivers/net/wireless/realtek/rtw88/util.h b/drivers/net/wireless/realtek/rtw88/util.h
index 0c23b5069be0b..dc89655254002 100644
--- a/drivers/net/wireless/realtek/rtw88/util.h
+++ b/drivers/net/wireless/realtek/rtw88/util.h
@@ -7,9 +7,6 @@

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index e3d7cb6c12902..1624c5db69bac 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -19,6 +19,10 @@
@@ -19,6 +19,10 @@ config RTW88_PCI
tristate
depends on m
@ -13,22 +11,18 @@ index e3d7cb6c12902..1624c5db69bac 100644
config RTW88_8822B
tristate
depends on m
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index 834c66ec0af9e..9e095f8181483 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -45,3 +45,6 @@
@@ -45,3 +45,6 @@ rtw88_8821ce-objs := rtw8821ce.o
obj-$(CPTCFG_RTW88_PCI) += rtw88_pci.o
rtw88_pci-objs := pci.o
+
+obj-$(CPTCFG_RTW88_USB) += rtw88_usb.o
+rtw88_usb-objs := usb.o
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index d1678aed9d9cb..19728c705eaa9 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -1032,6 +1032,9 @@ static int txdma_queue_mapping(struct rtw_dev *rtwdev)
@@ -1032,6 +1032,9 @@ static int txdma_queue_mapping(struct rt
if (rtw_chip_wcpu_11ac(rtwdev))
rtw_write32(rtwdev, REG_H2CQ_CSR, BIT_H2CQ_FULL);
@ -38,11 +32,9 @@ index d1678aed9d9cb..19728c705eaa9 100644
return 0;
}
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 5afb8bef9696a..c191260e67a79 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1715,6 +1715,10 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
@@ -1561,6 +1561,10 @@ static int rtw_chip_parameter_setup(stru
rtwdev->hci.rpwm_addr = 0x03d9;
rtwdev->hci.cpwm_addr = 0x03da;
break;
@ -53,11 +45,9 @@ index 5afb8bef9696a..c191260e67a79 100644
default:
rtw_err(rtwdev, "unsupported hci type\n");
return -EINVAL;
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index fc27066a67a72..007da6df088a3 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -845,6 +845,10 @@
@@ -845,6 +845,10 @@ struct rtw_chip_ops {
enum rtw_bb_path tx_path_1ss,
enum rtw_bb_path tx_path_cck,
bool is_tx2_path);
@ -68,8 +58,6 @@ index fc27066a67a72..007da6df088a3 100644
/* for coex */
void (*coex_set_init)(struct rtw_dev *rtwdev);
diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h
index 84ba9ec489c37..a928899030863 100644
--- a/drivers/net/wireless/realtek/rtw88/reg.h
+++ b/drivers/net/wireless/realtek/rtw88/reg.h
@@ -184,6 +184,7 @@
@ -80,8 +68,6 @@ index 84ba9ec489c37..a928899030863 100644
#define BIT_SHIFT_TXDMA_BEQ_MAP 8
#define BIT_MASK_TXDMA_BEQ_MAP 0x3
#define BIT_TXDMA_BEQ_MAP(x) \
diff --git a/drivers/net/wireless/realtek/rtw88/tx.h b/drivers/net/wireless/realtek/rtw88/tx.h
index 56371eff9f7ff..f900d7c08c84c 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.h
+++ b/drivers/net/wireless/realtek/rtw88/tx.h
@@ -67,6 +67,14 @@
@ -99,7 +85,7 @@ index 56371eff9f7ff..f900d7c08c84c 100644
enum rtw_tx_desc_queue_select {
TX_DESC_QSEL_TID0 = 0,
@@ -119,4 +127,27 @@ rtw_tx_write_data_h2c_get(struct rtw_dev *rtwdev,
@@ -119,4 +127,27 @@ rtw_tx_write_data_h2c_get(struct rtw_dev
struct rtw_tx_pkt_info *pkt_info,
u8 *buf, u32 size);
@ -127,9 +113,6 @@ index 56371eff9f7ff..f900d7c08c84c 100644
+}
+
#endif
diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
new file mode 100644
index 0000000000000..500d5208086dd
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/usb.c
@@ -0,0 +1,1037 @@
@ -1170,9 +1153,6 @@ index 0000000000000..500d5208086dd
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless USB driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/usb.h b/drivers/net/wireless/realtek/rtw88/usb.h
new file mode 100644
index 0000000000000..0e219150ee87a
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/usb.h
@@ -0,0 +1,114 @@
@ -1290,8 +1270,6 @@ index 0000000000000..0e219150ee87a
+void rtw_usb_disconnect(struct usb_interface *intf);
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtw88/util.c b/drivers/net/wireless/realtek/rtw88/util.c
index ed61c962fa27f..ce983ab8f947b 100644
--- a/drivers/net/wireless/realtek/rtw88/util.c
+++ b/drivers/net/wireless/realtek/rtw88/util.c
@@ -167,7 +167,7 @@ struct rtw_iter_vifs_data {

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index 1624c5db69bac..2b500dbefbc2d 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -75,6 +75,18 @@ config RTW88_8821CE
@@ -87,6 +87,18 @@ config RTW88_8821CE
802.11ac PCIe wireless network adapter
@ -21,11 +19,9 @@ index 1624c5db69bac..2b500dbefbc2d 100644
config RTW88_DEBUG
bool "Realtek rtw88 debug support"
depends on RTW88_CORE
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index 9e095f8181483..3c1f08f12e44e 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -44,6 +44,9 @@ rtw88_8821c-objs := rtw8821c.o rtw8821c_table.o
@@ -43,6 +43,9 @@ rtw88_8821c-objs := rtw8821c.o rtw8821c
obj-$(CPTCFG_RTW88_8821CE) += rtw88_8821ce.o
rtw88_8821ce-objs := rtw8821ce.o
@ -35,11 +31,9 @@ index 9e095f8181483..3c1f08f12e44e 100644
obj-$(CPTCFG_RTW88_PCI) += rtw88_pci.o
rtw88_pci-objs := pci.o
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index 99eee128ae945..82e78559d8264 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -26,6 +26,12 @@ static void rtw8821ce_efuse_parsing(struct rtw_efuse *efuse,
@@ -26,6 +26,12 @@ static void rtw8821ce_efuse_parsing(stru
ether_addr_copy(efuse->addr, map->e.mac_addr);
}
@ -52,7 +46,7 @@ index 99eee128ae945..82e78559d8264 100644
enum rtw8821ce_rf_set {
SWITCH_TO_BTG,
SWITCH_TO_WLG,
@@ -68,6 +74,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
@@ -65,6 +71,9 @@ static int rtw8821c_read_efuse(struct rt
case RTW_HCI_TYPE_PCIE:
rtw8821ce_efuse_parsing(efuse, map);
break;
@ -62,7 +56,7 @@ index 99eee128ae945..82e78559d8264 100644
default:
/* unsupported now */
return -ENOTSUPP;
@@ -1142,6 +1151,18 @@ static void rtw8821c_phy_cck_pd_set(struct rtw_dev *rtwdev, u8 new_lvl)
@@ -1128,6 +1137,18 @@ static void rtw8821c_phy_cck_pd_set(stru
dm_info->cck_pd_default + new_lvl * 2);
}
@ -81,7 +75,7 @@ index 99eee128ae945..82e78559d8264 100644
static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8821c[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
@@ -1499,6 +1499,9 @@
@@ -1499,6 +1520,9 @@ static const struct rtw_intf_phy_para_ta
static const struct rtw_rfe_def rtw8821c_rfe_defs[] = {
[0] = RTW_DEF_RFE(8821c, 0, 0),
[2] = RTW_DEF_RFE_EXT(8821c, 0, 0, 2),
@ -91,7 +85,7 @@ index 99eee128ae945..82e78559d8264 100644
};
static struct rtw_hw_reg rtw8821c_dig[] = {
@@ -1589,6 +1611,7 @@ static struct rtw_chip_ops rtw8821c_ops = {
@@ -1573,6 +1597,7 @@ static struct rtw_chip_ops rtw8821c_ops
.config_bfee = rtw8821c_bf_config_bfee,
.set_gid_table = rtw_bf_set_gid_table,
.cfg_csi_rate = rtw_bf_cfg_csi_rate,
@ -99,8 +93,6 @@ index 99eee128ae945..82e78559d8264 100644
.coex_set_init = rtw8821c_coex_cfg_init,
.coex_set_ant_switch = rtw8821c_coex_cfg_ant_switch,
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
index d9fbddd7b0f35..e2e17a822e48d 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
@@ -9,6 +9,26 @@
@ -138,9 +130,6 @@ index d9fbddd7b0f35..e2e17a822e48d 100644
};
};
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cu.c b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c
new file mode 100644
index 0000000000000..f43e200515f5b
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c
@@ -0,0 +1,50 @@
@ -194,9 +183,6 @@ index 0000000000000..f43e200515f5b
+MODULE_AUTHOR("Hans Ulli Kroll <linux@ulli-kroll.de>");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8821cu driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cu.h b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
new file mode 100644
index 0000000000000..c896792240011
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.h
@@ -0,0 +1,10 @@

View File

@ -1,8 +1,6 @@
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
index 3c07485d6ba47..fb5faf3bf1eed 100644
--- a/drivers/net/wireless/realtek/rtw88/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -89,7 +89,8 @@ static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
@@ -85,7 +85,8 @@ static int rtw_ops_config(struct ieee802
}
if (changed & IEEE80211_CONF_CHANGE_PS) {

View File

@ -0,0 +1,110 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 20 Sep 2021 15:40:07 +0200
Subject: [PATCH] mac80211: mesh: clean up rx_bcn_presp API
commit a5b983c6073140b624f64e79fea6d33c3e4315a0 upstream.
We currently pass the entire elements to the rx_bcn_presp()
method, but only need mesh_config. Additionally, we use the
length of the elements to calculate back the entire frame's
length, but that's confusing - just pass the length of the
frame instead.
Link: https://lore.kernel.org/r/20210920154009.a18ed3d2da6c.I1824b773a0fbae4453e1433c184678ca14e8df45@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -645,10 +645,9 @@ struct ieee80211_if_ocb {
*/
struct ieee802_11_elems;
struct ieee80211_mesh_sync_ops {
- void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
- u16 stype,
- struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems,
+ void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
struct ieee80211_rx_status *rx_status);
/* should be called with beacon_data under RCU read lock */
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1354,8 +1354,8 @@ static void ieee80211_mesh_rx_bcn_presp(
}
if (ifmsh->sync_ops)
- ifmsh->sync_ops->rx_bcn_presp(sdata,
- stype, mgmt, &elems, rx_status);
+ ifmsh->sync_ops->rx_bcn_presp(sdata, stype, mgmt, len,
+ elems.mesh_config, rx_status);
}
int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata)
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -3,6 +3,7 @@
* Copyright 2011-2012, Pavel Zubarev <pavel.zubarev@gmail.com>
* Copyright 2011-2012, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
* Copyright 2011-2012, cozybit Inc.
+ * Copyright (C) 2021 Intel Corporation
*/
#include "ieee80211_i.h"
@@ -35,12 +36,12 @@ struct sync_method {
/**
* mesh_peer_tbtt_adjusting - check if an mp is currently adjusting its TBTT
*
- * @ie: information elements of a management frame from the mesh peer
+ * @cfg: mesh config element from the mesh peer (or %NULL)
*/
-static bool mesh_peer_tbtt_adjusting(struct ieee802_11_elems *ie)
+static bool mesh_peer_tbtt_adjusting(const struct ieee80211_meshconf_ie *cfg)
{
- return (ie->mesh_config->meshconf_cap &
- IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0;
+ return cfg &&
+ (cfg->meshconf_cap & IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING);
}
void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata)
@@ -76,11 +77,11 @@ void mesh_sync_adjust_tsf(struct ieee802
}
}
-static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
- u16 stype,
- struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems,
- struct ieee80211_rx_status *rx_status)
+static void
+mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
@@ -101,10 +102,7 @@ static void mesh_sync_offset_rx_bcn_pres
*/
if (ieee80211_have_rx_timestamp(rx_status))
t_r = ieee80211_calculate_rx_timestamp(local, rx_status,
- 24 + 12 +
- elems->total_len +
- FCS_LEN,
- 24);
+ len + FCS_LEN, 24);
else
t_r = drv_get_tsf(local, sdata);
@@ -119,7 +117,7 @@ static void mesh_sync_offset_rx_bcn_pres
* dot11MeshNbrOffsetMaxNeighbor non-peer non-MBSS neighbors
*/
- if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) {
+ if (mesh_peer_tbtt_adjusting(mesh_cfg)) {
msync_dbg(sdata, "STA %pM : is adjusting TBTT\n",
sta->sta.addr);
goto no_sync;

View File

@ -0,0 +1,82 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 20 Sep 2021 15:40:08 +0200
Subject: [PATCH] mac80211: move CRC into struct ieee802_11_elems
commit c6e37ed498f958254b5459253199e816b6bfc52f upstream.
We're currently returning this value, but to prepare for
returning the allocated structure, move it into there.
Link: https://lore.kernel.org/r/20210920154009.479b8ebf999d.If0d4ba75ee38998dc3eeae25058aa748efcb2fc9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1525,6 +1525,7 @@ struct ieee80211_csa_ie {
struct ieee802_11_elems {
const u8 *ie_start;
size_t total_len;
+ u32 crc;
/* pointers to IEs */
const struct ieee80211_tdls_lnkie *lnk_id;
@@ -2084,10 +2085,10 @@ static inline void ieee80211_tx_skb(stru
ieee80211_tx_skb_tid(sdata, skb, 7);
}
-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
- struct ieee802_11_elems *elems,
- u64 filter, u32 crc, u8 *transmitter_bssid,
- u8 *bss_bssid);
+void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid);
static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
bool action,
struct ieee802_11_elems *elems,
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4096,10 +4096,11 @@ static void ieee80211_rx_mgmt_beacon(str
*/
if (!ieee80211_is_s1g_beacon(hdr->frame_control))
ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
- ncrc = ieee802_11_parse_elems_crc(variable,
- len - baselen, false, &elems,
- care_about_ies, ncrc,
- mgmt->bssid, bssid);
+ ieee802_11_parse_elems_crc(variable,
+ len - baselen, false, &elems,
+ care_about_ies, ncrc,
+ mgmt->bssid, bssid);
+ ncrc = elems.crc;
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) {
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1469,10 +1469,10 @@ static size_t ieee802_11_find_bssid_prof
return found ? profile_len : 0;
}
-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
- struct ieee802_11_elems *elems,
- u64 filter, u32 crc, u8 *transmitter_bssid,
- u8 *bss_bssid)
+void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid)
{
const struct element *non_inherit = NULL;
u8 *nontransmitted_profile;
@@ -1524,7 +1524,7 @@ u32 ieee802_11_parse_elems_crc(const u8
kfree(nontransmitted_profile);
- return crc;
+ elems->crc = crc;
}
void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,

View File

@ -0,0 +1,80 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 20 Sep 2021 15:40:09 +0200
Subject: [PATCH] mac80211: mlme: find auth challenge directly
commit 49a765d6785e99157ff5091cc37485732496864e upstream.
There's no need to parse all elements etc. just to find the
authentication challenge - use cfg80211_find_elem() instead.
This also allows us to remove WLAN_EID_CHALLENGE handling
from the element parsing entirely.
Link: https://lore.kernel.org/r/20210920154009.45f9b3a15722.Ice3159ffad03a007d6154cbf1fb3a8c48489e86f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1535,7 +1535,6 @@ struct ieee802_11_elems {
const u8 *supp_rates;
const u8 *ds_params;
const struct ieee80211_tim_ie *tim;
- const u8 *challenge;
const u8 *rsn;
const u8 *rsnx;
const u8 *erp_info;
@@ -1589,7 +1588,6 @@ struct ieee802_11_elems {
u8 ssid_len;
u8 supp_rates_len;
u8 tim_len;
- u8 challenge_len;
u8 rsn_len;
u8 rsnx_len;
u8 ext_supp_rates_len;
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2889,17 +2889,17 @@ static void ieee80211_auth_challenge(str
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data;
+ const struct element *challenge;
u8 *pos;
- struct ieee802_11_elems elems;
u32 tx_flags = 0;
struct ieee80211_prep_tx_info info = {
.subtype = IEEE80211_STYPE_AUTH,
};
pos = mgmt->u.auth.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
- mgmt->bssid, auth_data->bss->bssid);
- if (!elems.challenge)
+ challenge = cfg80211_find_elem(WLAN_EID_CHALLENGE, pos,
+ len - (pos - (u8 *)mgmt));
+ if (!challenge)
return;
auth_data->expected_transaction = 4;
drv_mgd_prepare_tx(sdata->local, sdata, &info);
@@ -2907,7 +2907,8 @@ static void ieee80211_auth_challenge(str
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0,
- elems.challenge - 2, elems.challenge_len + 2,
+ (void *)challenge,
+ challenge->datalen + sizeof(*challenge),
auth_data->bss->bssid, auth_data->bss->bssid,
auth_data->key, auth_data->key_len,
auth_data->key_idx, tx_flags);
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1120,10 +1120,6 @@ _ieee802_11_parse_elems_crc(const u8 *st
} else
elem_parse_failed = true;
break;
- case WLAN_EID_CHALLENGE:
- elems->challenge = pos;
- elems->challenge_len = elen;
- break;
case WLAN_EID_VENDOR_SPECIFIC:
if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
pos[2] == 0xf2) {

View File

@ -0,0 +1,115 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Oct 2021 21:11:08 +0200
Subject: [PATCH] mac80211: fix memory leaks with element parsing
commit 8223ac199a3849257e86ec27865dc63f034b1cf1 upstream.
My previous commit 5d24828d05f3 ("mac80211: always allocate
struct ieee802_11_elems") had a few bugs and leaked the new
allocated struct in a few error cases, fix that.
Fixes: 5d24828d05f3 ("mac80211: always allocate struct ieee802_11_elems")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20211001211108.9839928e42e0.Ib81ca187d3d3af7ed1bfeac2e00d08a4637c8025@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -499,13 +499,14 @@ void ieee80211_process_addba_request(str
elems = ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
ies_len, true, mgmt->bssid, NULL);
if (!elems || elems->parse_error)
- return;
+ goto free;
}
__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
buf_size, true, false,
elems ? elems->addba_ext_ie : NULL);
+free:
kfree(elems);
}
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1659,11 +1659,11 @@ void ieee80211_ibss_rx_queued_mgmt(struc
mgmt->u.action.u.chan_switch.variable,
ies_len, true, mgmt->bssid, NULL);
- if (!elems || elems->parse_error)
- break;
-
- ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt, skb->len,
- rx_status, elems);
+ if (elems && !elems->parse_error)
+ ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt,
+ skb->len,
+ rx_status,
+ elems);
kfree(elems);
break;
}
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3374,8 +3374,10 @@ static bool ieee80211_assoc_success(stru
bss_ies = kmemdup(ies, sizeof(*ies) + ies->len,
GFP_ATOMIC);
rcu_read_unlock();
- if (!bss_ies)
- return false;
+ if (!bss_ies) {
+ ret = false;
+ goto out;
+ }
bss_elems = ieee802_11_parse_elems(bss_ies->data, bss_ies->len,
false, mgmt->bssid,
@@ -4352,13 +4354,11 @@ void ieee80211_sta_rx_queued_mgmt(struct
mgmt->u.action.u.chan_switch.variable,
ies_len, true, mgmt->bssid, NULL);
- if (!elems || elems->parse_error)
- break;
-
- ieee80211_sta_process_chanswitch(sdata,
- rx_status->mactime,
- rx_status->device_timestamp,
- elems, false);
+ if (elems && !elems->parse_error)
+ ieee80211_sta_process_chanswitch(sdata,
+ rx_status->mactime,
+ rx_status->device_timestamp,
+ elems, false);
kfree(elems);
} else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
struct ieee802_11_elems *elems;
@@ -4378,17 +4378,17 @@ void ieee80211_sta_rx_queued_mgmt(struct
mgmt->u.action.u.ext_chan_switch.variable,
ies_len, true, mgmt->bssid, NULL);
- if (!elems || elems->parse_error)
- break;
+ if (elems && !elems->parse_error) {
+ /* for the handling code pretend it was an IE */
+ elems->ext_chansw_ie =
+ &mgmt->u.action.u.ext_chan_switch.data;
+
+ ieee80211_sta_process_chanswitch(sdata,
+ rx_status->mactime,
+ rx_status->device_timestamp,
+ elems, false);
+ }
- /* for the handling code pretend this was also an IE */
- elems->ext_chansw_ie =
- &mgmt->u.action.u.ext_chan_switch.data;
-
- ieee80211_sta_process_chanswitch(sdata,
- rx_status->mactime,
- rx_status->device_timestamp,
- elems, false);
kfree(elems);
}
break;

View File

@ -0,0 +1,41 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 28 Sep 2022 21:56:15 +0200
Subject: [PATCH] wifi: cfg80211: fix u8 overflow in
cfg80211_update_notlisted_nontrans()
commit aebe9f4639b13a1f4e9a6b42cdd2e38c617b442d upstream.
In the copy code of the elements, we do the following calculation
to reach the end of the MBSSID element:
/* copy the IEs after MBSSID */
cpy_len = mbssid[1] + 2;
This looks fine, however, cpy_len is a u8, the same as mbssid[1],
so the addition of two can overflow. In this case the subsequent
memcpy() will overflow the allocated buffer, since it copies 256
bytes too much due to the way the allocation and memcpy() sizes
are calculated.
Fix this by using size_t for the cpy_len variable.
This fixes CVE-2022-41674.
Reported-by: Soenke Huster <shuster@seemoo.tu-darmstadt.de>
Tested-by: Soenke Huster <shuster@seemoo.tu-darmstadt.de>
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2229,7 +2229,7 @@ cfg80211_update_notlisted_nontrans(struc
size_t new_ie_len;
struct cfg80211_bss_ies *new_ies;
const struct cfg80211_bss_ies *old;
- u8 cpy_len;
+ size_t cpy_len;
lockdep_assert_held(&wiphy_to_rdev(wiphy)->bss_lock);

View File

@ -0,0 +1,47 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 28 Sep 2022 22:01:37 +0200
Subject: [PATCH] wifi: cfg80211/mac80211: reject bad MBSSID elements
commit 8f033d2becc24aa6bfd2a5c104407963560caabc upstream
Per spec, the maximum value for the MaxBSSID ('n') indicator is 8,
and the minimum is 1 since a multiple BSSID set with just one BSSID
doesn't make sense (the # of BSSIDs is limited by 2^n).
Limit this in the parsing in both cfg80211 and mac80211, rejecting
any elements with an invalid value.
This fixes potentially bad shifts in the processing of these inside
the cfg80211_gen_new_bssid() function later.
I found this during the investigation of CVE-2022-41674 fixed by the
previous patch.
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Fixes: 78ac51f81532 ("mac80211: support multi-bssid")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1413,6 +1413,8 @@ static size_t ieee802_11_find_bssid_prof
for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, start, len) {
if (elem->datalen < 2)
continue;
+ if (elem->data[0] < 1 || elem->data[0] > 8)
+ continue;
for_each_element(sub, elem->data + 1, elem->datalen - 1) {
u8 new_bssid[ETH_ALEN];
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2094,6 +2094,8 @@ static void cfg80211_parse_mbssid_data(s
for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, ie, ielen) {
if (elem->datalen < 4)
continue;
+ if (elem->data[0] < 1 || (int)elem->data[0] > 8)
+ continue;
for_each_element(sub, elem->data + 1, elem->datalen - 1) {
u8 profile_len;

View File

@ -0,0 +1,94 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 28 Sep 2022 22:07:15 +0200
Subject: [PATCH] wifi: mac80211: fix MBSSID parsing use-after-free
commit ff05d4b45dd89b922578dac497dcabf57cf771c6
When we parse a multi-BSSID element, we might point some
element pointers into the allocated nontransmitted_profile.
However, we free this before returning, causing UAF when the
relevant pointers in the parsed elements are accessed.
Fix this by not allocating the scratch buffer separately but
as part of the returned structure instead, that way, there
are no lifetime issues with it.
The scratch buffer introduction as part of the returned data
here is taken from MLO feature work done by Ilan.
This fixes CVE-2022-42719.
Fixes: 5023b14cf4df ("mac80211: support profile split between elements")
Co-developed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1606,6 +1606,14 @@ struct ieee802_11_elems {
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
+
+ /*
+ * scratch buffer that can be used for various element parsing related
+ * tasks, e.g., element de-fragmentation etc.
+ */
+ size_t scratch_len;
+ u8 *scratch_pos;
+ u8 scratch[];
};
static inline struct ieee80211_local *hw_to_local(
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1478,24 +1478,25 @@ struct ieee802_11_elems *ieee802_11_pars
u8 *nontransmitted_profile;
int nontransmitted_profile_len = 0;
- elems = kzalloc(sizeof(*elems), GFP_ATOMIC);
+ elems = kzalloc(sizeof(*elems) + len, GFP_ATOMIC);
if (!elems)
return NULL;
elems->ie_start = start;
elems->total_len = len;
- nontransmitted_profile = kmalloc(len, GFP_ATOMIC);
- if (nontransmitted_profile) {
- nontransmitted_profile_len =
- ieee802_11_find_bssid_profile(start, len, elems,
- transmitter_bssid,
- bss_bssid,
- nontransmitted_profile);
- non_inherit =
- cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
- nontransmitted_profile,
- nontransmitted_profile_len);
- }
+ elems->scratch_len = len;
+ elems->scratch_pos = elems->scratch;
+
+ nontransmitted_profile = elems->scratch_pos;
+ nontransmitted_profile_len =
+ ieee802_11_find_bssid_profile(start, len, elems,
+ transmitter_bssid,
+ bss_bssid,
+ nontransmitted_profile);
+ non_inherit =
+ cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
+ nontransmitted_profile,
+ nontransmitted_profile_len);
crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter,
crc, non_inherit);
@@ -1524,8 +1525,6 @@ struct ieee802_11_elems *ieee802_11_pars
offsetofend(struct ieee80211_bssid_index, dtim_count))
elems->dtim_count = elems->bssid_index->dtim_count;
- kfree(nontransmitted_profile);
-
elems->crc = crc;
return elems;

View File

@ -0,0 +1,41 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 29 Sep 2022 21:50:44 +0200
Subject: [PATCH] wifi: cfg80211: ensure length byte is present before
access
commit 567e14e39e8f8c6997a1378bc3be615afca86063 upstream.
When iterating the elements here, ensure the length byte is
present before checking it to see if the entire element will
fit into the buffer.
Longer term, we should rewrite this code using the type-safe
element iteration macros that check all of this.
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Reported-by: Soenke Huster <shuster@seemoo.tu-darmstadt.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -304,7 +304,8 @@ static size_t cfg80211_gen_new_ie(const
tmp_old = cfg80211_find_ie(WLAN_EID_SSID, ie, ielen);
tmp_old = (tmp_old) ? tmp_old + tmp_old[1] + 2 : ie;
- while (tmp_old + tmp_old[1] + 2 - ie <= ielen) {
+ while (tmp_old + 2 - ie <= ielen &&
+ tmp_old + tmp_old[1] + 2 - ie <= ielen) {
if (tmp_old[0] == 0) {
tmp_old++;
continue;
@@ -364,7 +365,8 @@ static size_t cfg80211_gen_new_ie(const
* copied to new ie, skip ssid, capability, bssid-index ie
*/
tmp_new = sub_copy;
- while (tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) {
+ while (tmp_new + 2 - sub_copy <= subie_len &&
+ tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) {
if (!(tmp_new[0] == WLAN_EID_NON_TX_BSSID_CAP ||
tmp_new[0] == WLAN_EID_SSID)) {
memcpy(pos, tmp_new, tmp_new[1] + 2);

View File

@ -0,0 +1,90 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 30 Sep 2022 23:44:23 +0200
Subject: [PATCH] wifi: cfg80211: fix BSS refcounting bugs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
commit 0b7808818cb9df6680f98996b8e9a439fa7bcc2f upstream.
There are multiple refcounting bugs related to multi-BSSID:
- In bss_ref_get(), if the BSS has a hidden_beacon_bss, then
the bss pointer is overwritten before checking for the
transmitted BSS, which is clearly wrong. Fix this by using
the bss_from_pub() macro.
- In cfg80211_bss_update() we copy the transmitted_bss pointer
from tmp into new, but then if we release new, we'll unref
it erroneously. We already set the pointer and ref it, but
need to NULL it since it was copied from the tmp data.
- In cfg80211_inform_single_bss_data(), if adding to the non-
transmitted list fails, we unlink the BSS and yet still we
return it, but this results in returning an entry without
a reference. We shouldn't return it anyway if it was broken
enough to not get added there.
This fixes CVE-2022-42720.
Reported-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Tested-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Fixes: a3584f56de1c ("cfg80211: Properly track transmitting and non-transmitting BSS")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -143,18 +143,12 @@ static inline void bss_ref_get(struct cf
lockdep_assert_held(&rdev->bss_lock);
bss->refcount++;
- if (bss->pub.hidden_beacon_bss) {
- bss = container_of(bss->pub.hidden_beacon_bss,
- struct cfg80211_internal_bss,
- pub);
- bss->refcount++;
- }
- if (bss->pub.transmitted_bss) {
- bss = container_of(bss->pub.transmitted_bss,
- struct cfg80211_internal_bss,
- pub);
- bss->refcount++;
- }
+
+ if (bss->pub.hidden_beacon_bss)
+ bss_from_pub(bss->pub.hidden_beacon_bss)->refcount++;
+
+ if (bss->pub.transmitted_bss)
+ bss_from_pub(bss->pub.transmitted_bss)->refcount++;
}
static inline void bss_ref_put(struct cfg80211_registered_device *rdev,
@@ -1736,6 +1730,8 @@ cfg80211_bss_update(struct cfg80211_regi
new->refcount = 1;
INIT_LIST_HEAD(&new->hidden_list);
INIT_LIST_HEAD(&new->pub.nontrans_list);
+ /* we'll set this later if it was non-NULL */
+ new->pub.transmitted_bss = NULL;
if (rcu_access_pointer(tmp->pub.proberesp_ies)) {
hidden = rb_find_bss(rdev, tmp, BSS_CMP_HIDE_ZLEN);
@@ -1973,11 +1969,18 @@ cfg80211_inform_single_bss_data(struct w
/* this is a nontransmitting bss, we need to add it to
* transmitting bss' list if it is not there
*/
+ spin_lock_bh(&rdev->bss_lock);
if (cfg80211_add_nontrans_list(non_tx_data->tx_bss,
&res->pub)) {
- if (__cfg80211_unlink_bss(rdev, res))
+ if (__cfg80211_unlink_bss(rdev, res)) {
rdev->bss_generation++;
+ res = NULL;
+ }
}
+ spin_unlock_bh(&rdev->bss_lock);
+
+ if (!res)
+ return NULL;
}
trace_cfg80211_return_bss(&res->pub);

View File

@ -0,0 +1,48 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Sat, 1 Oct 2022 00:01:44 +0200
Subject: [PATCH] wifi: cfg80211: avoid nontransmitted BSS list
corruption
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
commit bcca852027e5878aec911a347407ecc88d6fff7f upstream.
If a non-transmitted BSS shares enough information (both
SSID and BSSID!) with another non-transmitted BSS of a
different AP, then we can find and update it, and then
try to add it to the non-transmitted BSS list. We do a
search for it on the transmitted BSS, but if it's not
there (but belongs to another transmitted BSS), the list
gets corrupted.
Since this is an erroneous situation, simply fail the
list insertion in this case and free the non-transmitted
BSS.
This fixes CVE-2022-42721.
Reported-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Tested-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -425,6 +425,15 @@ cfg80211_add_nontrans_list(struct cfg802
rcu_read_unlock();
+ /*
+ * This is a bit weird - it's not on the list, but already on another
+ * one! The only way that could happen is if there's some BSSID/SSID
+ * shared by multiple APs in their multi-BSSID profiles, potentially
+ * with hidden SSID mixed in ... ignore it.
+ */
+ if (!list_empty(&nontrans_bss->nontrans_list))
+ return -EINVAL;
+
/* add to the list */
list_add_tail(&nontrans_bss->nontrans_list, &trans_bss->nontrans_list);
return 0;

View File

@ -0,0 +1,31 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 5 Oct 2022 15:10:09 +0200
Subject: [PATCH] wifi: mac80211_hwsim: avoid mac80211 warning on bad
rate
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
commit 1833b6f46d7e2830251a063935ab464256defe22 upstream.
If the tool on the other side (e.g. wmediumd) gets confused
about the rate, we hit a warning in mac80211. Silence that
by effectively duplicating the check here and dropping the
frame silently (in mac80211 it's dropped with the warning).
Reported-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Tested-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3757,6 +3757,8 @@ static int hwsim_cloned_frame_received_n
rx_status.band = channel->band;
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;
rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
hdr = (void *)skb->data;

View File

@ -0,0 +1,52 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 5 Oct 2022 21:24:10 +0200
Subject: [PATCH] wifi: mac80211: fix crash in beacon protection for
P2P-device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
commit b2d03cabe2b2e150ff5a381731ea0355459be09f upstream.
If beacon protection is active but the beacon cannot be
decrypted or is otherwise malformed, we call the cfg80211
API to report this to userspace, but that uses a netdev
pointer, which isn't present for P2P-Device. Fix this to
call it only conditionally to ensure cfg80211 won't crash
in the case of P2P-Device.
This fixes CVE-2022-42722.
Reported-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Fixes: 9eaf183af741 ("mac80211: Report beacon protection failures to user space")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1987,10 +1987,11 @@ ieee80211_rx_h_decrypt(struct ieee80211_
if (mmie_keyidx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS ||
mmie_keyidx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
- NUM_DEFAULT_BEACON_KEYS) {
- cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
- skb->data,
- skb->len);
+ NUM_DEFAULT_BEACON_KEYS) {
+ if (rx->sdata->dev)
+ cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
+ skb->data,
+ skb->len);
return RX_DROP_MONITOR; /* unexpected BIP keyidx */
}
@@ -2138,7 +2139,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_
/* either the frame has been decrypted or will be dropped */
status->flag |= RX_FLAG_DECRYPTED;
- if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE))
+ if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE &&
+ rx->sdata->dev))
cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
skb->data, skb->len);

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@ -0,0 +1,85 @@
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 5 Oct 2022 23:11:43 +0200
Subject: [PATCH] wifi: cfg80211: update hidden BSSes to avoid WARN_ON
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
commit c90b93b5b782891ebfda49d4e5da36632fefd5d1 upstream.
When updating beacon elements in a non-transmitted BSS,
also update the hidden sub-entries to the same beacon
elements, so that a future update through other paths
won't trigger a WARN_ON().
The warning is triggered because the beacon elements in
the hidden BSSes that are children of the BSS should
always be the same as in the parent.
Reported-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Tested-by: Sönke Huster <shuster@seemoo.tu-darmstadt.de>
Fixes: 0b8fb8235be8 ("cfg80211: Parsing of Multiple BSSID information in scanning")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1602,6 +1602,23 @@ struct cfg80211_non_tx_bss {
u8 bssid_index;
};
+static void cfg80211_update_hidden_bsses(struct cfg80211_internal_bss *known,
+ const struct cfg80211_bss_ies *new_ies,
+ const struct cfg80211_bss_ies *old_ies)
+{
+ struct cfg80211_internal_bss *bss;
+
+ /* Assign beacon IEs to all sub entries */
+ list_for_each_entry(bss, &known->hidden_list, hidden_list) {
+ const struct cfg80211_bss_ies *ies;
+
+ ies = rcu_access_pointer(bss->pub.beacon_ies);
+ WARN_ON(ies != old_ies);
+
+ rcu_assign_pointer(bss->pub.beacon_ies, new_ies);
+ }
+}
+
static bool
cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
struct cfg80211_internal_bss *known,
@@ -1625,7 +1642,6 @@ cfg80211_update_known_bss(struct cfg8021
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
} else if (rcu_access_pointer(new->pub.beacon_ies)) {
const struct cfg80211_bss_ies *old;
- struct cfg80211_internal_bss *bss;
if (known->pub.hidden_beacon_bss &&
!list_empty(&known->hidden_list)) {
@@ -1653,16 +1669,7 @@ cfg80211_update_known_bss(struct cfg8021
if (old == rcu_access_pointer(known->pub.ies))
rcu_assign_pointer(known->pub.ies, new->pub.beacon_ies);
- /* Assign beacon IEs to all sub entries */
- list_for_each_entry(bss, &known->hidden_list, hidden_list) {
- const struct cfg80211_bss_ies *ies;
-
- ies = rcu_access_pointer(bss->pub.beacon_ies);
- WARN_ON(ies != old);
-
- rcu_assign_pointer(bss->pub.beacon_ies,
- new->pub.beacon_ies);
- }
+ cfg80211_update_hidden_bsses(known, new->pub.beacon_ies, old);
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
@@ -2312,6 +2319,8 @@ cfg80211_update_notlisted_nontrans(struc
} else {
old = rcu_access_pointer(nontrans_bss->beacon_ies);
rcu_assign_pointer(nontrans_bss->beacon_ies, new_ies);
+ cfg80211_update_hidden_bsses(bss_from_pub(nontrans_bss),
+ new_ies, old);
rcu_assign_pointer(nontrans_bss->ies, new_ies);
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);

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@ -87,7 +87,7 @@
CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1441,6 +1441,7 @@ struct ieee80211_local {
@@ -1442,6 +1442,7 @@ struct ieee80211_local {
int dynamic_ps_forced_timeout;
int user_power_level; /* in dBm, for all interfaces */

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@ -12,7 +12,7 @@
have_80mhz = true;
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1919,7 +1919,8 @@ static int ieee80211_build_preq_ies_band
@@ -1925,7 +1925,8 @@ static int ieee80211_build_preq_ies_band
/* Check if any channel in this sband supports at least 80 MHz */
for (i = 0; i < sband->n_channels; i++) {
if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED |
@ -24,7 +24,7 @@
have_80mhz = true;
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -5090,7 +5090,8 @@ static int ieee80211_prep_channel(struct
@@ -5116,7 +5116,8 @@ static int ieee80211_prep_channel(struct
have_80mhz = false;
for (i = 0; i < sband->n_channels; i++) {
if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED |

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@ -9,4 +9,3 @@
static inline int backport_of_get_mac_address(struct device_node *np, u8 *mac_out)
{
const void *mac = of_get_mac_address(np);

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@ -1,5 +1,3 @@
diff --git a/net/mac80211/ethtool.c b/net/mac80211/ethtool.c
index 99a2e30b3833a6..b2253df54413fb 100644
--- a/net/mac80211/ethtool.c
+++ b/net/mac80211/ethtool.c
@@ -14,7 +14,13 @@
@ -16,7 +14,7 @@ index 99a2e30b3833a6..b2253df54413fb 100644
{
struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy);
@@ -25,7 +31,13 @@
@@ -25,7 +31,13 @@ static int ieee80211_set_ringparam(struc
}
static void ieee80211_get_ringparam(struct net_device *dev,
@ -29,3 +27,4 @@ index 99a2e30b3833a6..b2253df54413fb 100644
+#endif
{
struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy);