infiniband syz2: added lo
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: 4139 Comm: syz-executor.3 Not tainted 6.4.0-rc4-syzkaller-00099-g1874a42a7d74 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
 
 __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+0x10d/0x5f30 kernel/locking/lockdep.c:4965
 lock_acquire kernel/locking/lockdep.c:5705 [inline]
 lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162
 skb_dequeue+0x20/0x180 net/core/skbuff.c:3639
 drain_resp_pkts drivers/infiniband/sw/rxe/rxe_comp.c:558 [inline]
 rxe_completer+0x2578/0x3d80 drivers/infiniband/sw/rxe/rxe_comp.c:658
 rxe_qp_do_cleanup+0x1c1/0x820 drivers/infiniband/sw/rxe/rxe_qp.c:772
 execute_in_process_context+0x3b/0x150 kernel/workqueue.c:3473
 __rxe_cleanup+0x21e/0x370 drivers/infiniband/sw/rxe/rxe_pool.c:233
 rxe_create_qp+0x3f6/0x5f0 drivers/infiniband/sw/rxe/rxe_verbs.c:583
 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:1486
 rxe_net_add+0x90/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:528
 rxe_newlink+0xf0/0x1b0 drivers/infiniband/sw/rxe/rxe.c:197
 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:1913
 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: 0033:0x7f535f08c169
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:00007f535dbfe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f535f1ac050 RCX: 00007f535f08c169
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000006
RBP: 00007f535f0e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff73ac949f R14: 00007f535dbfe300 R15: 0000000000022000
 
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 4139 Comm: syz-executor.3 Not tainted 6.4.0-rc4-syzkaller-00099-g1874a42a7d74 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:flush_send_queue drivers/infiniband/sw/rxe/rxe_comp.c:600 [inline]
RIP: 0010:rxe_completer+0x25c7/0x3d80 drivers/infiniband/sw/rxe/rxe_comp.c:659
Code: 80 3c 02 00 0f 85 7e 10 00 00 4c 8b ad 88 03 00 00 49 8d 45 30 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 80 11 00 00 49 8d 45 2c 45 8b
RSP: 0018:ffffc900058e6938 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: ffffed10045f2000 RCX: ffffc90021c0a000
RDX: 0000000000000006 RSI: ffffffff877f9295 RDI: ffff888022f90388
RBP: ffff888022f90000 R08: 0000000000000000 R09: ffff888022f9055b
R10: ffffed10045f20ab R11: 0000000000001278 R12: 0000000000000246
R13: 0000000000000000 R14: ffff888022f901a0 R15: 0000000000000000
FS:  00007f535dbfe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d04d000 CR3: 000000004db29000 CR4: 0000000000350ee0
Call Trace:
 
 rxe_qp_do_cleanup+0x1c1/0x820 drivers/infiniband/sw/rxe/rxe_qp.c:772
 execute_in_process_context+0x3b/0x150 kernel/workqueue.c:3473
 __rxe_cleanup+0x21e/0x370 drivers/infiniband/sw/rxe/rxe_pool.c:233
 rxe_create_qp+0x3f6/0x5f0 drivers/infiniband/sw/rxe/rxe_verbs.c:583
 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:1486
 rxe_net_add+0x90/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:528
 rxe_newlink+0xf0/0x1b0 drivers/infiniband/sw/rxe/rxe.c:197
 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:1913
 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: 0033:0x7f535f08c169
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:00007f535dbfe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f535f1ac050 RCX: 00007f535f08c169
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000006
RBP: 00007f535f0e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff73ac949f R14: 00007f535dbfe300 R15: 0000000000022000
 
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:flush_send_queue drivers/infiniband/sw/rxe/rxe_comp.c:600 [inline]
RIP: 0010:rxe_completer+0x25c7/0x3d80 drivers/infiniband/sw/rxe/rxe_comp.c:659
Code: 80 3c 02 00 0f 85 7e 10 00 00 4c 8b ad 88 03 00 00 49 8d 45 30 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 80 11 00 00 49 8d 45 2c 45 8b
RSP: 0018:ffffc900058e6938 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: ffffed10045f2000 RCX: ffffc90021c0a000
RDX: 0000000000000006 RSI: ffffffff877f9295 RDI: ffff888022f90388
RBP: ffff888022f90000 R08: 0000000000000000 R09: ffff888022f9055b
R10: ffffed10045f20ab R11: 0000000000001278 R12: 0000000000000246
R13: 0000000000000000 R14: ffff888022f901a0 R15: 0000000000000000
FS:  00007f535dbfe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d04d000 CR3: 000000004db29000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
   0:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   4:	0f 85 7e 10 00 00    	jne    0x1088
   a:	4c 8b ad 88 03 00 00 	mov    0x388(%rbp),%r13
  11:	49 8d 45 30          	lea    0x30(%r13),%rax
  15:	48 89 c2             	mov    %rax,%rdx
  18:	48 89 04 24          	mov    %rax,(%rsp)
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e 80 11 00 00    	jle    0x11ba
  3a:	49 8d 45 2c          	lea    0x2c(%r13),%rax
  3e:	45                   	rex.RB
  3f:	8b                   	.byte 0x8b