BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 9653a067 P4D 9653a067 PUD a4ee4067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14026 Comm: syz-executor.1 Not tainted 5.2.0+ #65
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff888064b0fb80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000019 RCX: ffffc90008400000
RDX: 1ffff1100cb9623e RSI: ffffffff85f5531e RDI: ffff888065cb0dc0
RBP: ffff888064b0fce0 R08: ffff888061b5c300 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888061b5cbb0 R12: 0000000000000019
R13: 0000000000000004 R14: ffff888065cb0dc0 R15: 0000000000000000
FS:  00007feb1cda2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000095053000 CR4: 00000000001406f0
Call Trace:
 do_tcp_setsockopt.isra.0+0xabf/0x2430 net/ipv4/tcp.c:3103
 tcp_setsockopt+0xbe/0xe0 net/ipv4/tcp.c:3133
 tls_setsockopt+0xa6/0x8c0 net/tls/tls_main.c:592
 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3130
 __sys_setsockopt+0x253/0x4b0 net/socket.c:2080
 __do_sys_setsockopt net/socket.c:2096 [inline]
 __se_sys_setsockopt net/socket.c:2093 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2093
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459819
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007feb1cda1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459819
RDX: 0000000000000019 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 000000000075c070 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 00007feb1cda26d4
R13: 00000000004c7d27 R14: 00000000004dd8d8 R15: 00000000ffffffff
Modules linked in:
CR2: 0000000000000000
---[ end trace 48018ecdb63cf6eb ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff888064b0fb80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000019 RCX: ffffc90008400000
RDX: 1ffff1100cb9623e RSI: ffffffff85f5531e RDI: ffff888065cb0dc0
RBP: ffff888064b0fce0 R08: ffff888061b5c300 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888061b5cbb0 R12: 0000000000000019
R13: 0000000000000004 R14: ffff888065cb0dc0 R15: 0000000000000000
FS:  00007feb1cda2700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000711934 CR3: 0000000095053000 CR4: 00000000001406e0