wlan1: authenticate with 50:50:50:50:50:50 wlan1: No legacy rates in association response ============================= WARNING: suspicious RCU usage 6.1.141-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.7.513/7457: #0: ffffffff8db947b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffff888056f207c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5639 [inline] #1: ffff888056f207c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x27d/0x930 net/wireless/nl80211.c:16308 #2: ffff88802f750d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:231 [inline] #2: ffff88802f750d40 (&wdev->mtx){+.+.}-{3:3}, at: nl80211_connect+0x1754/0x1d20 net/wireless/nl80211.c:11846 stack backtrace: CPU: 0 PID: 7457 Comm: syz.7.513 Not tainted 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106 lockdep_rcu_suspicious+0x1dd/0x300 kernel/locking/lockdep.c:6611 sta_remove_link+0x356/0x4b0 net/mac80211/sta_info.c:360 sta_info_free+0x50/0x670 net/mac80211/sta_info.c:405 ieee80211_prep_connection+0xf5e/0x1420 net/mac80211/mlme.c:-1 ieee80211_mgd_auth+0xc3f/0x1200 net/mac80211/mlme.c:6757 rdev_auth net/wireless/rdev-ops.h:473 [inline] cfg80211_mlme_auth+0x5e6/0x9f0 net/wireless/mlme.c:285 cfg80211_conn_do_work+0x3f1/0xc30 net/wireless/sme.c:182 cfg80211_sme_connect net/wireless/sme.c:624 [inline] cfg80211_connect+0x1790/0x2110 net/wireless/sme.c:1500 nl80211_connect+0x1776/0x1d20 net/wireless/nl80211.c:11848 genl_family_rcv_msg_doit+0x22e/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x5f2/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2493 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x74c/0x8c0 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x59b/0x970 net/socket.c:2519 ___sys_sendmsg+0x21c/0x290 net/socket.c:2573 __sys_sendmsg net/socket.c:2602 [inline] __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2609 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb3b438e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3b52e6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb3b45b5fa0 RCX: 00007fb3b438e929 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000003 RBP: 00007fb3b4410b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb3b45b5fa0 R15: 00007fffc44332b8 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium