------------[ cut here ]------------ WARNING: CPU: 0 PID: 6292 at kernel/locking/lockdep.c:1226 lockdep_register_key+0x37f/0x3f0 kernel/locking/lockdep.c:1226 Modules linked in: CPU: 0 PID: 6292 Comm: syz-executor.2 Not tainted 6.9.0-rc5-syzkaller-01473-g2506f6229bd0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:lockdep_register_key+0x37f/0x3f0 kernel/locking/lockdep.c:1226 Code: 80 3c 33 00 74 08 4c 89 e7 e8 bd 8b 88 00 f6 44 24 41 02 75 1a f7 44 24 18 00 02 00 00 0f 84 a7 fd ff ff fb e9 a1 fd ff ff 90 <0f> 0b 90 eb a2 e8 67 c9 0f 0a f7 44 24 18 00 02 00 00 0f 84 88 fd RSP: 0018:ffffc9000322eb80 EFLAGS: 00010046 RAX: 1ffffffff26f0723 RBX: ffff88802cb2b298 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000322eae0 RBP: ffffc9000322ec48 R08: 0000000000000003 R09: fffff52000645d5c R10: dffffc0000000000 R11: fffff52000645d5c R12: ffff88802cb2b298 R13: ffff88802cb2b298 R14: dffffc0000000000 R15: 1ffff92000645d74 FS: 00007f9db29f26c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31921000 CR3: 000000007bdf4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: qdisc_alloc+0x1a1/0xa90 net/sched/sch_generic.c:948 qdisc_create_dflt+0x62/0x4b0 net/sched/sch_generic.c:1002 attach_one_default_qdisc net/sched/sch_generic.c:1168 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2503 [inline] attach_default_qdiscs net/sched/sch_generic.c:1186 [inline] dev_activate+0x3c0/0x1240 net/sched/sch_generic.c:1245 __dev_open+0x352/0x450 net/core/dev.c:1482 __dev_change_flags+0x1e2/0x6f0 net/core/dev.c:8777 rtnl_configure_link net/core/rtnetlink.c:3305 [inline] rtnl_newlink_create net/core/rtnetlink.c:3502 [inline] __rtnl_newlink net/core/rtnetlink.c:3714 [inline] rtnl_newlink+0x194f/0x20a0 net/core/rtnetlink.c:3727 rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6594 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9db1c7dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9db29f20c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9db1dabf80 RCX: 00007f9db1c7dea9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 00007f9db1cca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9db1dabf80 R15: 00007fff1afa97d8