batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
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: 7799 Comm: kworker/u4:6 Not tainted 4.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:batadv_iv_ogm_queue_add+0x36/0xd40 net/batman-adv/bat_iv_ogm.c:785
RSP: 0018:ffff88009ee67b80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 000000000000003c RCX: ffff8800a4a65580
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff88009ee67c18 R08: ffff8800a4a65580 R09: 0000000000000001
R10: dffffc0000000000 R11: 1ffff1001494cabe R12: ffff88009b2a2680
R13: 0000000000000000 R14: 0000000100003e7e R15: ffffed001494cabe
FS:  0000000000000000(0000) GS:ffff8800aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f41025bf740 CR3: 000000009ad3b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 batadv_iv_ogm_schedule+0x9fb/0xd80 net/batman-adv/bat_iv_ogm.c:989
 batadv_iv_send_outstanding_bat_ogm_packet+0x480/0x7d0 net/batman-adv/bat_iv_ogm.c:1817
 process_one_work+0x76a/0x1510 kernel/workqueue.c:2113
 worker_thread+0xcc/0xed0 kernel/workqueue.c:2247
 kthread+0x316/0x3d0 kernel/kthread.c:238
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406
Code: 48 89 e5 41 57 41 56 41 55 49 89 f5 41 54 49 89 fc 48 8d 7e 03 53 89 d3 48 89 fa 48 83 ec 70 48 89 4d d0 48 c1 ea 03 4c 89 45 c0 <0f> b6 04 02 48 89 fa 44 89 4d cc 83 e2 07 38 d0 7f 08 84 c0 0f 
RIP: batadv_iv_ogm_queue_add+0x36/0xd40 net/batman-adv/bat_iv_ogm.c:785 RSP: ffff88009ee67b80
---[ end trace d9a14d4e0c2c70c5 ]---