IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
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: 15139 Comm: syz-executor.5 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888213288000 task.stack: ffff8881ba4c8000
RIP: 0010:hsr_check_carrier_and_operstate+0x3b/0x5d0 net/hsr/hsr_device.c:116
RSP: 0018:ffff8881ba4cf0d8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8881cc35cd40 RCX: ffffc900148c9000
RDX: 0000000000000002 RSI: ffffffff8635c927 RDI: ffff88808c292fa0
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffff8882132888b0 R11: ffff888213288000 R12: 0000000000000001
R13: 0000000000000010 R14: ffffffff8819e2e0 R15: 0000000000000004
FS:  00007fbad238f700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f957f9409d0 CR3: 000000005b122000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hsr_netdev_notify+0x201/0x8b0 net/hsr/hsr_main.c:51
 notifier_call_chain+0x107/0x1a0 kernel/notifier.c:93
 netdev_state_change net/core/dev.c:1318 [inline]
 netdev_state_change+0xaf/0xd0 net/core/dev.c:1312
 do_setlink+0x2514/0x2d30 net/core/rtnetlink.c:2280
 rtnl_group_changelink net/core/rtnetlink.c:2512 [inline]
 rtnl_newlink+0xbe4/0x1720 net/core/rtnetlink.c:2666
 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4315
 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2433
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x64a/0xbb0 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45ca69
RSP: 002b:00007fbad238ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000501a40 RCX: 000000000045ca69
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000a21 R14: 00000000004cd05a R15: 00007fbad238f6d4
Code: 08 e8 4a 8c 24 fb 48 89 ef be 04 00 00 00 e8 ed ae ff ff 4c 8d 68 10 48 89 c5 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 00 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 
RIP: hsr_check_carrier_and_operstate+0x3b/0x5d0 net/hsr/hsr_device.c:116 RSP: ffff8881ba4cf0d8
---[ end trace 47370c850d6c54e7 ]---