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: 23762 Comm: kworker/u4:3 Not tainted 4.15.0-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+0xdf/0x10d0 net/batman-adv/bat_iv_ogm.c:772
RSP: 0018:ffff880075626f80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8800756271a8 RCX: ffff88008e4c55c0
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff8800756271d0 R08: ffff88008e4c55c0 R09: 0000000000000001
R10: ffff880075627310 R11: ffff88008e4c5628 R12: 000000000000003c
R13: ffff88008ee81200 R14: ffffed000eac4e7a R15: ffff88008e4c55c0
FS:  0000000000000000(0000) GS:ffff8800aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f377cc4c000 CR3: 00000000998a8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 batadv_iv_ogm_schedule+0xd4c/0x1290 net/batman-adv/bat_iv_ogm.c:976
 batadv_iv_send_outstanding_bat_ogm_packet+0x576/0xa30 net/batman-adv/bat_iv_ogm.c:1803
 process_one_work+0x9a1/0x18f0 kernel/workqueue.c:2113
 worker_thread+0x212/0x18f0 kernel/workqueue.c:2247
 kthread+0x316/0x3d0 kernel/kthread.c:238
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:542
Code: f2 c7 40 20 f2 f2 f2 f2 c7 40 24 00 f2 f2 f2 c7 40 28 f2 f2 f2 f2 c7 40 2c 00 f2 f2 f2 c7 40 30 f3 f3 f3 f3 48 89 f8 48 c1 e8 03 <0f> b6 04 10 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 9e 0c 00 
RIP: batadv_iv_ogm_queue_add+0xdf/0x10d0 net/batman-adv/bat_iv_ogm.c:772 RSP: ffff880075626f80
---[ end trace 51997f193bd59e67 ]---