Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. executing program [ 37.526390][ T4295] [ 37.527012][ T4295] ============================= [ 37.528256][ T4295] WARNING: suspicious RCU usage [ 37.529376][ T4295] 6.1.140-syzkaller #0 Not tainted [ 37.530593][ T4295] ----------------------------- [ 37.531899][ T4295] net/mac80211/sta_info.c:361 suspicious rcu_dereference_protected() usage! [ 37.534027][ T4295] [ 37.534027][ T4295] other info that might help us debug this: [ 37.534027][ T4295] [ 37.536480][ T4295] [ 37.536480][ T4295] rcu_scheduler_active = 2, debug_locks = 1 [ 37.538463][ T4295] 3 locks held by syz-executor155/4295: [ 37.539853][ T4295] #0: ffff800017734eb0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 [ 37.541970][ T4295] #1: ffff0000d16b87c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x238/0x760 [ 37.544458][ T4295] #2: ffff0000c9774d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_new_station+0x10ac/0x1584 [ 37.546778][ T4295] [ 37.546778][ T4295] stack backtrace: [ 37.548209][ T4295] CPU: 1 PID: 4295 Comm: syz-executor155 Not tainted 6.1.140-syzkaller #0 [ 37.550195][ T4295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 37.552671][ T4295] Call trace: [ 37.553466][ T4295] dump_backtrace+0x1c8/0x1f4 [ 37.554633][ T4295] show_stack+0x2c/0x3c [ 37.555692][ T4295] __dump_stack+0x30/0x40 [ 37.556765][ T4295] dump_stack_lvl+0xf8/0x160 [ 37.557918][ T4295] dump_stack+0x1c/0x5c [ 37.558946][ T4295] lockdep_rcu_suspicious+0x20c/0x3d4 [ 37.560308][ T4295] sta_remove_link+0x2bc/0x3d8 [ 37.561483][ T4295] sta_info_free+0x60/0x608 [ 37.562576][ T4295] ieee80211_add_station+0x2fc/0x4d4 [ 37.563900][ T4295] rdev_add_station+0x148/0x37c [ 37.565110][ T4295] nl80211_new_station+0x116c/0x1584 [ 37.566490][ T4295] genl_family_rcv_msg_doit+0x1f8/0x2f4 [ 37.567909][ T4295] genl_rcv_msg+0x444/0x62c [ 37.569040][ T4295] netlink_rcv_skb+0x208/0x3c4 [ 37.570237][ T4295] genl_rcv+0x38/0x50 [ 37.571235][ T4295] netlink_unicast+0x600/0x818 [ 37.572376][ T4295] netlink_sendmsg+0x6e8/0x9b0 [ 37.573554][ T4295] ____sys_sendmsg+0x5b8/0x918 [ 37.574689][ T4295] __sys_sendmsg+0x25c/0x320 [ 37.575809][ T4295] __arm64_sys_sendmsg+0x80/0x94 [ 37.577075][ T4295] invoke_syscall+0x98/0x2bc [ 37.578228][ T4295] el0_svc_common+0x138/0x258 [ 37.579415][ T4295] do_el0_svc+0x58/0x13c [ 37.580464][ T4295] el0_svc+0x58/0x138 [ 37.581506][ T4295] el0t_64_sync_handler+0x84/0xf0 [ 37.582739][ T4295] el0t_64_sync+0x18c/0x190