Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 1 UID: 0 PID: 12318 Comm: syz.1.1608 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kernel_sock_shutdown+0x47/0x70
Code: 53 f8 4d 8d 7e 20 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 c7 60 be f8 4d 8b 3f 49 83 c7 68 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 aa 60 be f8 4d 8b 1f 4c 89 f7 89
RSP: 0018:ffffc90007e170a8 EFLAGS: 00010202
RAX: 000000000000000d RBX: 0000000000000002 RCX: ffff88810b89bb00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888011d02440
RBP: 0000000000000002 R08: ffffc90007e16ea7 R09: 1ffff92000fc2dd4
R10: dffffc0000000000 R11: fffff52000fc2dd5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888011d02440 R15: 0000000000000068
FS:  00007fd2e24a06c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd2e249fff8 CR3: 000000001eeea000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udp_tunnel_sock_release+0x6f/0x80
 rxe_net_del+0x121/0x2e0
 rxe_dellink+0x15/0x20
 nldev_dellink+0x304/0x3d0
 rdma_nl_rcv+0x6d1/0xa10
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1bd/0x2a0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2e159cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd2e24a0028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd2e1816090 RCX: 00007fd2e159cdd9
RDX: 0000000000000004 RSI: 0000200000004680 RDI: 000000000000000c
RBP: 00007fd2e1632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd2e1816128 R14: 00007fd2e1816090 R15: 00007ffdd5caf518
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kernel_sock_shutdown+0x47/0x70
Code: 53 f8 4d 8d 7e 20 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 c7 60 be f8 4d 8b 3f 49 83 c7 68 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 aa 60 be f8 4d 8b 1f 4c 89 f7 89
RSP: 0018:ffffc90007e170a8 EFLAGS: 00010202
RAX: 000000000000000d RBX: 0000000000000002 RCX: ffff88810b89bb00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888011d02440
RBP: 0000000000000002 R08: ffffc90007e16ea7 R09: 1ffff92000fc2dd4
R10: dffffc0000000000 R11: fffff52000fc2dd5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888011d02440 R15: 0000000000000068
FS:  00007fd2e24a06c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b143ea2f8 CR3: 000000001eeea000 CR4: 00000000000006f0
