wlan1: authenticate with 08:02:11:00:00:00
wlan1: No legacy rates in association response
=============================
WARNING: suspicious RCU usage
6.1.147-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
4 locks held by kworker/1:9/4553:
 #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265
 #1: ffff800021357c20 ((work_completion)(&rdev->conn_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267
 #2: ffff0000d47307c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5639 [inline]
 #2: ffff0000d47307c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_conn_work+0xb0/0x380 net/wireless/sme.c:253
 #3: ffff0000cda08d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline]
 #3: ffff0000cda08d40 (&wdev->mtx){+.+.}-{3:3}, at: cfg80211_conn_work+0x11c/0x380 net/wireless/sme.c:259

stack backtrace:
CPU: 1 PID: 4553 Comm: kworker/1:9 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events cfg80211_conn_work
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 lockdep_rcu_suspicious+0x20c/0x3d4 kernel/locking/lockdep.c:6611
 sta_remove_link+0x2bc/0x3d8 net/mac80211/sta_info.c:360
 sta_info_free+0x60/0x608 net/mac80211/sta_info.c:405
 ieee80211_prep_connection+0xc7c/0x1130 net/mac80211/mlme.c:-1
 ieee80211_mgd_auth+0x968/0xe18 net/mac80211/mlme.c:6757
 ieee80211_auth+0x28/0x38 net/mac80211/cfg.c:2792
 rdev_auth net/wireless/rdev-ops.h:473 [inline]
 cfg80211_mlme_auth+0x498/0x914 net/wireless/mlme.c:285
 cfg80211_conn_do_work+0x3c8/0x9c8 net/wireless/sme.c:182
 cfg80211_conn_work+0x244/0x380 net/wireless/sme.c:274
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849