Unknown ioctl 21536
kasan: CONFIG_KASAN_INLINE enabled
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
kasan: GPF could be caused by NULL-ptr deref or user memory access
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 8022 Comm: kworker/u5:1 Not tainted 4.14.212-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci3 hci_rx_work
task: ffff888055282280 task.stack: ffff888055288000
RIP: 0010:hci_phy_link_complete_evt.isra.0+0x201/0x840 net/bluetooth/hci_event.c:4359
RSP: 0018:ffff88805528fae0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1100aa50570
RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010
RBP: ffff888054e88c50 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: ffff888055282280 R12: ffff888054e89ba8
R13: 00000000000000c8 R14: ffff8880aa76154b R15: ffff88809f450d80
FS:  0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa2cca4d012 CR3: 000000009b019000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hci_event_packet+0x224b/0x750f net/bluetooth/hci_event.c:5442
 hci_rx_work+0x427/0xb40 net/bluetooth/hci_core.c:4244
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 85 05 00 00 49 8b 9f 40 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 69 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 
RIP: hci_phy_link_complete_evt.isra.0+0x201/0x840 net/bluetooth/hci_event.c:4359 RSP: ffff88805528fae0
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
---[ end trace fe85f0a6d29ac36c ]---