8021q: adding VLAN 0 to HW filter on device batadv0
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
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: 8621 Comm: syz-executor.5 Not tainted 4.14.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809ed9c500 task.stack: ffff888084c08000
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:44 [inline]
RIP: 0010:__smc_diag_dump.isra.4+0x306/0x1780 net/smc/smc_diag.c:82
RSP: 0018:ffff888084c0f438 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff888084c0f610 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000e
RBP: ffff888084c0f638 R08: 0000000000000040 R09: ffff88807e571790
R10: 0000000000000000 R11: ffff88809ed9c500 R12: ffff88807e571740
R13: ffff88808365ca80 R14: ffff888097361990 R15: ffff88808365ced0
FS:  00007fb9ecb53700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f72cddd0000 CR3: 0000000092f24000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_diag_dump+0x1dc/0x2a0 net/smc/smc_diag.c:170
 netlink_dump+0x3bf/0xb70 net/netlink/af_netlink.c:2202
 __netlink_dump_start+0x4c2/0x780 net/netlink/af_netlink.c:2299
 netlink_dump_start include/linux/netlink.h:217 [inline]
 smc_diag_handler_dump+0x197/0x220 net/smc/smc_diag.c:191
 __sock_diag_cmd net/core/sock_diag.c:231 [inline]
 sock_diag_rcv_msg+0x252/0x350 net/core/sock_diag.c:263
 netlink_rcv_skb+0x133/0x370 net/netlink/af_netlink.c:2432
 sock_diag_rcv+0x25/0x40 net/core/sock_diag.c:274
 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x40d/0x5f0 net/netlink/af_netlink.c:1312
 netlink_sendmsg+0x730/0xbd0 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0xf0 net/socket.c:656
 ___sys_sendmsg+0x625/0x920 net/socket.c:2062
 __sys_sendmsg+0xc1/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0xd/0x20 net/socket.c:2103
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459879
RSP: 002b:00007fb9ecb52c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9ecb536d4
R13: 00000000004c773e R14: 00000000004dcf58 R15: 00000000ffffffff
Code: df 48 89 f9 48 c1 e9 03 80 3c 11 00 0f 85 cb 12 00 00 48 8b 50 20 48 b8 00 00 00 00 00 fc ff df 48 8d 7a 0e 48 89 f9 48 c1 e9 03 <0f> b6 0c 01 48 89 f8 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 
RIP: smc_diag_msg_common_fill net/smc/smc_diag.c:44 [inline] RSP: ffff888084c0f438
RIP: __smc_diag_dump.isra.4+0x306/0x1780 net/smc/smc_diag.c:82 RSP: ffff888084c0f438
---[ end trace a6ebb1bf22034097 ]---