protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP:           (null)
PGD 999d7067 P4D 999d7067 PUD 727d7067 PMD 0 
kobject: 'loop1' (ffff8880a4948ee0): kobject_uevent_env
Oops: 0010 [#1] PREEMPT SMP KASAN
Modules linked in:
kobject: 'loop1' (ffff8880a4948ee0): fill_kobj_path: path = '/devices/virtual/block/loop1'
CPU: 1 PID: 14294 Comm: syz-executor.5 Not tainted 4.14.151 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88806a5cc040 task.stack: ffff888091fe8000
RIP: 0010:          (null)
RSP: 0018:ffff888091fefd48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc9000905e000
RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff88809b5d2000
RBP: ffff888091fefd68 R08: 0000000000000001 R09: ffff88806a5cc8e0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809b5d2000
R13: ffff88809b5d200e R14: 000000000000001c R15: 0000000000000002
FS:  00007f6d8f256700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
kobject: 'loop1' (ffff8880a4948ee0): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000061c74000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop1' (ffff8880a4948ee0): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop1' (ffff8880a4948ee0): kobject_uevent_env
Call Trace:
 inet_autobind+0xae/0x180 net/ipv4/af_inet.c:181
 inet_dgram_connect+0x136/0x1e0 net/ipv4/af_inet.c:538
 SYSC_connect+0x1f6/0x2d0 net/socket.c:1655
kobject: 'loop1' (ffff8880a4948ee0): fill_kobj_path: path = '/devices/virtual/block/loop1'
 SyS_connect+0x24/0x30 net/socket.c:1636
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
kobject: 'loop2' (ffff8880a49a2f60): kobject_uevent_env
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45a219
RSP: 002b:00007f6d8f255c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
kobject: 'loop2' (ffff8880a49a2f60): fill_kobj_path: path = '/devices/virtual/block/loop2'
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219
RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d8f2566d4
R13: 00000000004c09aa R14: 00000000004d3358 R15: 00000000ffffffff
Code: 
kobject: 'loop4' (ffff8880a4a17260): kobject_uevent_env
 Bad RIP value.
RIP:           (null) RSP: ffff888091fefd48
kobject: 'loop4' (ffff8880a4a17260): fill_kobj_path: path = '/devices/virtual/block/loop4'
CR2: 0000000000000000
---[ end trace 1db9470784f7d101 ]---
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1