wlan1: authenticate with 08:02:11:00:00:00
wlan1: No legacy rates in association response
=============================
WARNING: suspicious RCU usage
6.1.77-syzkaller #0 Not tainted
-----------------------------
net/mac80211/sta_info.c:361 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz-executor101/6754:
 #0: ffff800017e77fb0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860
 #1: ffff0000cd4c07c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5639 [inline]
 #1: ffff0000cd4c07c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x484/0x764 net/wireless/nl80211.c:16259
 #2: ffff0000d21a4d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline]
 #2: ffff0000d21a4d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_connect+0x12b4/0x1958 net/wireless/nl80211.c:11799

stack backtrace:
CPU: 1 PID: 6754 Comm: syz-executor101 Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lockdep_rcu_suspicious+0x260/0x464 kernel/locking/lockdep.c:6592
 sta_remove_link+0x38c/0x474 net/mac80211/sta_info.c:360
 sta_info_free+0x68/0x2ec net/mac80211/sta_info.c:405
 ieee80211_prep_connection+0xbdc/0xf34
 ieee80211_mgd_auth+0x8d0/0xd9c net/mac80211/mlme.c:6755
 ieee80211_auth+0x28/0x38 net/mac80211/cfg.c:2789
 rdev_auth net/wireless/rdev-ops.h:469 [inline]
 cfg80211_mlme_auth+0x4a4/0x980 net/wireless/mlme.c:285
 cfg80211_conn_do_work+0x3b8/0xb84 net/wireless/sme.c:181
 cfg80211_sme_connect net/wireless/sme.c:623 [inline]
 cfg80211_connect+0x11bc/0x1aa8 net/wireless/sme.c:1499
 nl80211_connect+0x12dc/0x1958 net/wireless/nl80211.c:11801
 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861
 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
 netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352
 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x55c/0x848 net/socket.c:2514
 ___sys_sendmsg net/socket.c:2568 [inline]
 __sys_sendmsg+0x26c/0x33c net/socket.c:2597
 __do_sys_sendmsg net/socket.c:2606 [inline]
 __se_sys_sendmsg net/socket.c:2604 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium