netdevsim netdevsim4 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 PID: 4637 Comm: syz-executor.4 Not tainted 5.19.0-rc8-syzkaller-00025-g6e7765cb477a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 assign_lock_key+0x22a/0x240 kernel/locking/lockdep.c:979 register_lock_class+0x287/0x9d0 kernel/locking/lockdep.c:1292 __lock_acquire+0xe9/0x1f80 kernel/locking/lockdep.c:4932 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:354 [inline] ieee80211_do_stop+0x115/0x1cf0 net/mac80211/iface.c:380 ieee80211_stop+0x45f/0x4d0 net/mac80211/iface.c:680 __dev_close_many+0x2ef/0x3e0 net/core/dev.c:1516 __dev_close net/core/dev.c:1528 [inline] __dev_change_flags+0x2fa/0x6d0 net/core/dev.c:8535 dev_change_flags+0x85/0x190 net/core/dev.c:8608 do_setlink+0xdb2/0x3f00 net/core/rtnetlink.c:2780 rtnl_group_changelink net/core/rtnetlink.c:3302 [inline] __rtnl_newlink net/core/rtnetlink.c:3556 [inline] rtnl_newlink+0x1137/0x2060 net/core/rtnetlink.c:3593 rtnetlink_rcv_msg+0x7c9/0xea0 net/core/rtnetlink.c:6089 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2501 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2488 ___sys_sendmsg net/socket.c:2542 [inline] __sys_sendmsg+0x301/0x8a0 net/socket.c:2571 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1ec2c89209 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1ec3e01168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1ec2d9bf60 RCX: 00007f1ec2c89209 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f1ec2ce3161 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb92b7acf R14: 00007f1ec3e01300 R15: 0000000000022000 syz-executor.4 (4637) used greatest stack depth: 19576 bytes left