Warning: Permanently added '10.128.1.118' (ED25519) to the list of known hosts. executing program syzkaller login: [ 38.084778][ T4295] [ 38.085453][ T4295] ============================= [ 38.086792][ T4295] WARNING: suspicious RCU usage [ 38.088084][ T4295] 6.1.140-syzkaller #0 Not tainted [ 38.089517][ T4295] ----------------------------- [ 38.090808][ T4295] net/mac80211/sta_info.c:361 suspicious rcu_dereference_protected() usage! [ 38.093134][ T4295] [ 38.093134][ T4295] other info that might help us debug this: [ 38.093134][ T4295] [ 38.095830][ T4295] [ 38.095830][ T4295] rcu_scheduler_active = 2, debug_locks = 1 [ 38.097864][ T4295] 3 locks held by syz-executor247/4295: [ 38.099434][ T4295] #0: ffff800017734eb0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 [ 38.101665][ T4295] #1: ffff0000d0e707c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x238/0x760 [ 38.104387][ T4295] #2: ffff0000d0e90d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_new_station+0x10ac/0x1584 [ 38.107031][ T4295] [ 38.107031][ T4295] stack backtrace: [ 38.108665][ T4295] CPU: 1 PID: 4295 Comm: syz-executor247 Not tainted 6.1.140-syzkaller #0 [ 38.110925][ T4295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 38.113567][ T4295] Call trace: [ 38.114416][ T4295] dump_backtrace+0x1c8/0x1f4 [ 38.115680][ T4295] show_stack+0x2c/0x3c [ 38.116741][ T4295] __dump_stack+0x30/0x40 [ 38.117915][ T4295] dump_stack_lvl+0xf8/0x160 [ 38.119164][ T4295] dump_stack+0x1c/0x5c [ 38.120288][ T4295] lockdep_rcu_suspicious+0x20c/0x3d4 [ 38.121759][ T4295] sta_remove_link+0x2bc/0x3d8 [ 38.122951][ T4295] sta_info_free+0x60/0x608 [ 38.124160][ T4295] ieee80211_add_station+0x2fc/0x4d4 [ 38.125601][ T4295] rdev_add_station+0x148/0x37c [ 38.126879][ T4295] nl80211_new_station+0x116c/0x1584 [ 38.128337][ T4295] genl_family_rcv_msg_doit+0x1f8/0x2f4 [ 38.129777][ T4295] genl_rcv_msg+0x444/0x62c [ 38.131055][ T4295] netlink_rcv_skb+0x208/0x3c4 [ 38.132337][ T4295] genl_rcv+0x38/0x50 [ 38.133389][ T4295] netlink_unicast+0x600/0x818 [ 38.134699][ T4295] netlink_sendmsg+0x6e8/0x9b0 [ 38.135998][ T4295] ____sys_sendmsg+0x5b8/0x918 [ 38.137296][ T4295] __sys_sendmsg+0x25c/0x320 [ 38.138547][ T4295] __arm64_sys_sendmsg+0x80/0x94 [ 38.139843][ T4295] invoke_syscall+0x98/0x2bc [ 38.141052][ T4295] el0_svc_common+0x138/0x258 [ 38.142276][ T4295] do_el0_svc+0x58/0x13c [ 38.143452][ T4295] el0_svc+0x58/0x138 [ 38.144510][ T4295] el0t_64_sync_handler+0x84/0xf0 [ 38.145924][ T4295] el0t_64_sync+0x18c/0x190