Warning: Permanently added '10.128.0.235' (ED25519) to the list of known hosts. executing program [ 37.620640][ T4292] netlink: 32 bytes leftover after parsing attributes in process `syz-executor356'. [ 37.623470][ T4292] [ 37.624121][ T4292] ============================= [ 37.625348][ T4292] WARNING: suspicious RCU usage [ 37.626924][ T4292] 6.1.141-syzkaller #0 Not tainted [ 37.628305][ T4292] ----------------------------- [ 37.629582][ T4292] net/mac80211/sta_info.c:361 suspicious rcu_dereference_protected() usage! [ 37.631815][ T4292] [ 37.631815][ T4292] other info that might help us debug this: [ 37.631815][ T4292] [ 37.634528][ T4292] [ 37.634528][ T4292] rcu_scheduler_active = 2, debug_locks = 1 [ 37.636757][ T4292] 3 locks held by syz-executor356/4292: [ 37.638195][ T4292] #0: ffff800017735930 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 [ 37.640364][ T4292] #1: ffff0000d0c907c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x238/0x760 [ 37.643030][ T4292] #2: ffff0000d0cc4d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_new_station+0x10ac/0x1584 [ 37.645698][ T4292] [ 37.645698][ T4292] stack backtrace: [ 37.647241][ T4292] CPU: 1 PID: 4292 Comm: syz-executor356 Not tainted 6.1.141-syzkaller #0 [ 37.649482][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 37.652097][ T4292] Call trace: [ 37.652967][ T4292] dump_backtrace+0x1c8/0x1f4 [ 37.654176][ T4292] show_stack+0x2c/0x3c [ 37.655236][ T4292] __dump_stack+0x30/0x40 [ 37.656417][ T4292] dump_stack_lvl+0xf8/0x160 [ 37.657617][ T4292] dump_stack+0x1c/0x5c [ 37.658713][ T4292] lockdep_rcu_suspicious+0x20c/0x3d4 [ 37.660135][ T4292] sta_remove_link+0x2bc/0x3d8 [ 37.661402][ T4292] sta_info_free+0x60/0x608 [ 37.662593][ T4292] ieee80211_add_station+0x2fc/0x4d4 [ 37.664000][ T4292] rdev_add_station+0x148/0x37c [ 37.665307][ T4292] nl80211_new_station+0x116c/0x1584 [ 37.666725][ T4292] genl_family_rcv_msg_doit+0x1f8/0x2f4 [ 37.668208][ T4292] genl_rcv_msg+0x444/0x62c [ 37.669436][ T4292] netlink_rcv_skb+0x208/0x3c4 [ 37.670743][ T4292] genl_rcv+0x38/0x50 [ 37.671803][ T4292] netlink_unicast+0x600/0x818 [ 37.673168][ T4292] netlink_sendmsg+0x6e8/0x9b0 [ 37.674449][ T4292] ____sys_sendmsg+0x5b8/0x918 [ 37.675734][ T4292] __sys_sendmsg+0x25c/0x320 [ 37.676957][ T4292] __arm64_sys_sendmsg+0x80/0x94 [ 37.678281][ T4292] invoke_syscall+0x98/0x2bc [ 37.679514][ T4292] el0_svc_common+0x138/0x258 [ 37.680764][ T4292] do_el0_svc+0x58/0x13c [ 37.681947][ T4292] el0_svc+0x58/0x138 [ 37.682990][ T4292] el0t_64_sync_handler+0x84/0xf0 [ 37.684321][ T4292] el0t_64_sync+0x18c/0x190