wlan1: authenticate with 50:50:50:50:50:50 wlan1: No legacy rates in association response ============================= WARNING: suspicious RCU usage 6.1.137-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.4.19/4471: #0: ffff800017734bf0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff0000f50a87c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5639 [inline] #1: ffff0000f50a87c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x238/0x760 net/wireless/nl80211.c:16308 #2: ffff0000f4924d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline] #2: ffff0000f4924d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_connect+0x1108/0x15d8 net/wireless/nl80211.c:11846 stack backtrace: CPU: 1 PID: 4471 Comm: syz.4.19 Not tainted 6.1.137-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 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:6756 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_sme_connect net/wireless/sme.c:624 [inline] cfg80211_connect+0x1114/0x19dc net/wireless/sme.c:1500 nl80211_connect+0x1120/0x15d8 net/wireless/nl80211.c:11848 genl_family_rcv_msg_doit+0x1f8/0x2f4 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x444/0x62c net/netlink/genetlink.c:850 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2493 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x600/0x818 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5b8/0x918 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x25c/0x320 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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