wlan1: authenticate with 08:02:11:00:00:00 wlan1: No legacy rates in association response ============================= WARNING: suspicious RCU usage 6.1.77-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-executor101/6754: #0: ffff800017e77fb0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff0000cd4c07c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5639 [inline] #1: ffff0000cd4c07c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x484/0x764 net/wireless/nl80211.c:16259 #2: ffff0000d21a4d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline] #2: ffff0000d21a4d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_connect+0x12b4/0x1958 net/wireless/nl80211.c:11799 stack backtrace: CPU: 1 PID: 6754 Comm: syz-executor101 Not tainted 6.1.77-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 lockdep_rcu_suspicious+0x260/0x464 kernel/locking/lockdep.c:6592 sta_remove_link+0x38c/0x474 net/mac80211/sta_info.c:360 sta_info_free+0x68/0x2ec net/mac80211/sta_info.c:405 ieee80211_prep_connection+0xbdc/0xf34 ieee80211_mgd_auth+0x8d0/0xd9c net/mac80211/mlme.c:6755 ieee80211_auth+0x28/0x38 net/mac80211/cfg.c:2789 rdev_auth net/wireless/rdev-ops.h:469 [inline] cfg80211_mlme_auth+0x4a4/0x980 net/wireless/mlme.c:285 cfg80211_conn_do_work+0x3b8/0xb84 net/wireless/sme.c:181 cfg80211_sme_connect net/wireless/sme.c:623 [inline] cfg80211_connect+0x11bc/0x1aa8 net/wireless/sme.c:1499 nl80211_connect+0x12dc/0x1958 net/wireless/nl80211.c:11801 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x948/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2597 __do_sys_sendmsg net/socket.c:2606 [inline] __se_sys_sendmsg net/socket.c:2604 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 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 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium