vcan0 speed is unknown, defaulting to 1000
infiniband syz2: set active
infiniband syz2: added vcan0
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: 7726 Comm: syz-executor.3 Not tainted 6.3.0-rc7-syzkaller-02376-g28b17f6270f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 assign_lock_key kernel/locking/lockdep.c:982 [inline]
 register_lock_class+0xdb6/0x1120 kernel/locking/lockdep.c:1295
 __lock_acquire+0x108/0x5d40 kernel/locking/lockdep.c:4935
 lock_acquire kernel/locking/lockdep.c:5669 [inline]
 lock_acquire+0x1af/0x520 kernel/locking/lockdep.c:5634
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:355 [inline]
 rxe_cleanup_task+0x73/0xc0 drivers/infiniband/sw/rxe/rxe_task.c:119
 rxe_qp_do_cleanup+0x8c/0x7c0 drivers/infiniband/sw/rxe/rxe_qp.c:776
 execute_in_process_context+0x3b/0x150 kernel/workqueue.c:3458
 __rxe_cleanup+0x21e/0x370 drivers/infiniband/sw/rxe/rxe_pool.c:233
 rxe_create_qp+0x2c2/0x340 drivers/infiniband/sw/rxe/rxe_verbs.c:430
 create_qp+0x5ac/0x970 drivers/infiniband/core/verbs.c:1235
 ib_create_qp_kernel+0xa1/0x310 drivers/infiniband/core/verbs.c:1346
 ib_create_qp include/rdma/ib_verbs.h:3743 [inline]
 create_mad_qp+0x177/0x380 drivers/infiniband/core/mad.c:2905
 ib_mad_port_open drivers/infiniband/core/mad.c:2986 [inline]
 ib_mad_init_device+0xf40/0x1a90 drivers/infiniband/core/mad.c:3077
 add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:721
 enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1332
 ib_register_device drivers/infiniband/core/device.c:1420 [inline]
 ib_register_device+0x8b1/0xbc0 drivers/infiniband/core/device.c:1366
 rxe_register_device+0x302/0x3e0 drivers/infiniband/sw/rxe/rxe_verbs.c:1096
 rxe_net_add+0x90/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:524
 rxe_newlink+0xd5/0x140 drivers/infiniband/sw/rxe/rxe.c:195
 nldev_newlink+0x332/0x5e0 drivers/infiniband/core/nldev.c:1731
 rdma_nl_rcv_msg+0x371/0x6a0 drivers/infiniband/core/netlink.c:195
 rdma_nl_rcv_skb.constprop.0.isra.0+0x2fc/0x440 drivers/infiniband/core/netlink.c:239
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:747
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2503
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2557
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2586
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8645c8c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8646a0b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8645dac050 RCX: 00007f8645c8c169
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 00007f8645ce7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff95e1316f R14: 00007f8646a0b300 R15: 0000000000022000
 </TASK>
infiniband syz2: Couldn't create ib_mad QP1
infiniband syz2: Couldn't open port 1
RDS/IB: syz2: added
smc: adding ib device syz2 with port count 1
smc:    ib device syz2 port 1 has pnetid 
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000
vcan0 speed is unknown, defaulting to 1000