When user issues a connection with a different SSID than the one
virt_wifi has advertised, the __cfg80211_connect_result() will
trigger the warning: WARN_ON(bss_not_found).
The issue is because the connection code in virt_wifi does not
check the SSID from user space (it only checks the BSSID), and
virt_wifi will call cfg80211_connect_result() with WLAN_STATUS_SUCCESS
even if the SSID is different from the one virt_wifi has advertised.
Eventually cfg80211 won't be able to find the cfg80211_bss and generate
the warning.
Fixed it by checking the SSID (from user space) in the connection code.
Fixes: c7cdba31ed ("mac80211-next: rtnetlink wifi simulation device")
Reported-by: syzbot+d6eb9cee2885ec06f5e3@syzkaller.appspotmail.com
Signed-off-by: En-Wei Wu <en-wei.wu@canonical.com>
Link: https://patch.msgid.link/20240705023756.10954-1-en-wei.wu@canonical.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We want to be able to run rtnl_fill_ifinfo() under RCU protection
instead of RTNL in the future.
This patch prepares dev_get_iflink() and nla_put_iflink()
to run either with RTNL or RCU held.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To clean up drivers/net/wireless move the virtual drivers to a new virtual
directory. I did consider adding CONFIG_WLAN_VENDOR_VIRTUAL like other vendors
have but then dropped the idea as we are not real drivers.
There should be no changes in compilation or in Kconfig options, merely moving
files. The order in menuconfig is slightly changed, the virtual drivers are now
last in the list.
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230227121732.8967-2-kvalo@kernel.org
2023-03-13 15:42:14 +02:00
Renamed from drivers/net/wireless/virt_wifi.c (Browse further)
