batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_0
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: 1 PID: 7776 Comm: kworker/u4:6 Not tainted 4.14.166-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
task: ffff8880a19e20c0 task.stack: ffff888080d70000
RIP: 0010:batadv_iv_ogm_queue_add+0x40/0xe30 net/batman-adv/bat_iv_ogm.c:778
RSP: 0018:ffff888080d77b58 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880895e9a40 RCX: ffff8880895e9a40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff888080d77c00 R08: ffff8880895e9a40 R09: 0000000000000001
R10: ffff8880a19e2990 R11: ffff8880a19e20c0 R12: 0000000000000006
R13: ffff88808dd21c80 R14: ffff8880895e9a68 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000075c091 CR3: 00000000a4a14000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 batadv_iv_ogm_schedule+0xa61/0xe20 net/batman-adv/bat_iv_ogm.c:982
 batadv_iv_send_outstanding_bat_ogm_packet+0x4a1/0x680 net/batman-adv/bat_iv_ogm.c:1809
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: c4 80 89 55 d0 48 89 4d c8 4c 89 45 b8 44 89 4d c4 e8 35 38 0f fb 49 8d 7f 03 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 ee 0b 00 
RIP: batadv_iv_ogm_queue_add+0x40/0xe30 net/batman-adv/bat_iv_ogm.c:778 RSP: ffff888080d77b58
---[ end trace df7dfda77ccf57d1 ]---