BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 7c1e6067 P4D 7c1e6067 PUD 6eefd067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11641 Comm: syz-executor.4 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc900036fe768 EFLAGS: 00010246
RAX: ffffffff87a055ad RBX: ffff88801761c640 RCX: 0000000000040000
RDX: ffffc9000556a000 RSI: 000000000003ffff RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1002ec38d4
R10: ffffed1002ec38d4 R11: 1ffff11002ec38d3 R12: dffffc0000000000
R13: 1ffff11002ec38c9 R14: 1ffff11002ec38c8 R15: ffff88801761c648
FS:  00007f71571e4700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000793d0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rxe_do_task+0x6f/0xd0 drivers/infiniband/sw/rxe/rxe_task.c:18
 rxe_qp_do_cleanup+0xfd/0x6a0 drivers/infiniband/sw/rxe/rxe_qp.c:800
 execute_in_process_context+0x113/0x120 kernel/workqueue.c:3359
 __rxe_cleanup+0x289/0x3b0 drivers/infiniband/sw/rxe/rxe_pool.c:276
 rxe_create_qp+0x25c/0x2b0 drivers/infiniband/sw/rxe/rxe_verbs.c:441
 create_qp+0x556/0x760 drivers/infiniband/core/verbs.c:1233
 ib_create_qp_kernel+0xb7/0x350 drivers/infiniband/core/verbs.c:1344
 ib_create_qp include/rdma/ib_verbs.h:3732 [inline]
 create_mad_qp drivers/infiniband/core/mad.c:2910 [inline]
 ib_mad_port_open drivers/infiniband/core/mad.c:2991 [inline]
 ib_mad_init_device+0xfac/0x2e20 drivers/infiniband/core/mad.c:3082
 add_client_context+0x4f9/0x830 drivers/infiniband/core/device.c:721
 enable_device_and_get+0x1eb/0x450 drivers/infiniband/core/device.c:1332
 ib_register_device+0x1153/0x1450 drivers/infiniband/core/device.c:1420
 rxe_register_device+0x25d/0x360 drivers/infiniband/sw/rxe/rxe_verbs.c:1138
 rxe_net_add+0x73/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:521
 rxe_newlink+0x6b/0xf0 drivers/infiniband/sw/rxe/rxe.c:195
 nldev_newlink+0x4b0/0x520 drivers/infiniband/core/nldev.c:1717
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x6e3/0xa40 drivers/infiniband/core/netlink.c:259
 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:2482
 ___sys_sendmsg net/socket.c:2536 [inline]
 __sys_sendmsg+0x28e/0x390 net/socket.c:2565
 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: 0033:0x7f715608a649
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:00007f71571e4168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f715619bf80 RCX: 00007f715608a649
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007f71560e5560 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcf7467c3f R14: 00007f71571e4300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc900036fe768 EFLAGS: 00010246
RAX: ffffffff87a055ad RBX: ffff88801761c640 RCX: 0000000000040000
RDX: ffffc9000556a000 RSI: 000000000003ffff RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1002ec38d4
R10: ffffed1002ec38d4 R11: 1ffff11002ec38d3 R12: dffffc0000000000
R13: 1ffff11002ec38c9 R14: 1ffff11002ec38c8 R15: ffff88801761c648
FS:  00007f71571e4700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000793d0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400