batman_adv: batadv0: Removing interface: veth521 batman_adv: batadv0: Interface deactivated: veth539 batman_adv: batadv0: Removing interface: veth539 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: 544 Comm: kworker/u4:5 Not tainted 4.14.151 #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: ffff8880a8e1a1c0 task.stack: ffff8880a8e28000 RIP: 0010:batadv_iv_ogm_queue_add+0x40/0xf80 net/batman-adv/bat_iv_ogm.c:778 RSP: 0018:ffff8880a8e2fb68 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88808c569000 RCX: ffff8880964f0cc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff8880a8e2fc00 R08: ffff88808c569000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880964f0cc0 R14: ffff88806a222680 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c436cbd000 CR3: 000000009e803000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: batadv_iv_ogm_schedule+0x9c5/0xd20 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: ec 70 89 55 d0 48 89 4d c8 4c 89 45 b8 44 89 4d c4 e8 05 b7 5b 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 83 0a 00 RIP: batadv_iv_ogm_queue_add+0x40/0xf80 net/batman-adv/bat_iv_ogm.c:778 RSP: ffff8880a8e2fb68 ---[ end trace 01c9bb314d642548 ]---