device bridge17 entered promiscuous mode
device bridge16 entered promiscuous mode
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 7558 Comm: syz-executor124 Not tainted 4.14.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888086cb4380 task.stack: ffff88808bff8000
RIP: 0010:hsr_check_carrier_and_operstate+0x3e/0x5e0 net/hsr/hsr_device.c:116
RSP: 0018:ffff88808bffee90 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000004 RCX: ffff888086cb4c00
RDX: 0000000000000002 RSI: 0000000000000004 RDI: ffff8880997f9920
RBP: ffff88808bffeec8 R08: ffff888086cb4380 R09: 0000000000000001
R10: 0000000000000000 R11: ffff888086cb4380 R12: 0000000000000000
R13: ffff888080bfd500 R14: 0000000000000010 R15: ffff88808098b540
FS:  00007f391fdbc700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f66ae47d9b8 CR3: 000000009350a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hsr_netdev_notify+0xef/0x8f0 net/hsr/hsr_main.c:51
 notifier_call_chain+0x111/0x1b0 kernel/notifier.c:93
 __raw_notifier_call_chain kernel/notifier.c:394 [inline]
 raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:401
 call_netdevice_notifiers_info+0x56/0x70 net/core/dev.c:1671
 netdev_state_change net/core/dev.c:1318 [inline]
 netdev_state_change+0xbf/0xe0 net/core/dev.c:1312
 do_setlink+0x23da/0x2c20 net/core/rtnetlink.c:2280
 rtnl_newlink+0x11a7/0x1700 net/core/rtnetlink.c:2651
 rtnetlink_rcv_msg+0x3da/0xb70 net/core/rtnetlink.c:4306
 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4318
 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312
 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x446d89
RSP: 002b:00007f391fdbbdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000006dbc88 RCX: 0000000000446d89
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000009
RBP: 00000000006dbc80 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00000000006dbc8c
R13: 00007ffc0185f22f R14: 00007f391fdbc9c0 R15: 20c49ba5e353f7cf
Code: 10 e8 47 84 fb fa 4c 89 e7 be 04 00 00 00 e8 4a ac ff ff 4c 8d 70 10 49 89 c4 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0d 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 
RIP: hsr_check_carrier_and_operstate+0x3e/0x5e0 net/hsr/hsr_device.c:116 RSP: ffff88808bffee90
---[ end trace 3a402e1c952e2ff2 ]---