BUG: unable to handle kernel NULL pointer dereference at           (null)
IP:           (null)
PGD 93391067 P4D 93391067 PUD 9321f067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 13938 Comm: syz-executor.3 Not tainted 4.14.151 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888064258380 task.stack: ffff888066f98000
RIP: 0010:          (null)
RSP: 0018:ffff888066f9fd48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc9000ce65000
RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff888099fc9000
kobject: 'loop0' (ffff8880a499d6a0): kobject_uevent_env
RBP: ffff888066f9fd68 R08: 0000000000000001 R09: ffff888064258c20
kobject: 'loop0' (ffff8880a499d6a0): fill_kobj_path: path = '/devices/virtual/block/loop0'
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888099fc9000
R13: ffff888099fc900e R14: 000000000000001c R15: 0000000000000002
FS:  00007fe37cd29700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000008b645000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 inet_autobind+0xae/0x180 net/ipv4/af_inet.c:181
 inet_dgram_connect+0x136/0x1e0 net/ipv4/af_inet.c:538
kobject: 'loop1' (ffff8880a4a005e0): kobject_uevent_env
 SYSC_connect+0x1f6/0x2d0 net/socket.c:1655
kobject: 'loop1' (ffff8880a4a005e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
 SyS_connect+0x24/0x30 net/socket.c:1636
kobject: 'loop0' (ffff8880a499d6a0): kobject_uevent_env
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
kobject: 'loop0' (ffff8880a499d6a0): fill_kobj_path: path = '/devices/virtual/block/loop0'
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45a219
RSP: 002b:00007fe37cd28c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219
kobject: 'loop1' (ffff8880a4a005e0): kobject_uevent_env
RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe37cd296d4
R13: 00000000004c09aa R14: 00000000004d3358 R15: 00000000ffffffff
Code:  Bad RIP value.
RIP:           (null) RSP: ffff888066f9fd48
CR2: 0000000000000000
---[ end trace a4fea709cecdf942 ]---
kobject: 'loop1' (ffff8880a4a005e0): fill_kobj_path: path = '/devices/virtual/block/loop1'