IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
list_add double add: new=ffff8800acfe83d8, prev=ffff8800acfe83d8, next=ffff8800b5b0c900.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:31!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1759 Comm: kworker/u5:0 Not tainted 4.18.0-syzkaller #0
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci5 hci_rx_work
RIP: 0010:__list_add_valid+0xaa/0xb0 lib/list_debug.c:29
Code: e8 eb a9 48 89 f7 48 89 75 e8 e8 41 72 4e fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 40 46 ee 87 e8 d5 d7 0c fe <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 
RSP: 0018:ffff8800b26577f8 EFLAGS: 00010282
RAX: 0000000000000058 RBX: ffff8800b5b0c900 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87ee4400 RDI: ffffffff8b1e4d20
RBP: ffff8800b2657810 R08: ffffed00174e4db9 R09: ffffed00174e4db8
R10: ffffed00174e4db8 R11: ffff8800ba726dc7 R12: ffff8800acfe83d8
R13: ffff8800acfe83e8 R14: ffff8800b5b0c900 R15: ffff8800acfe83d0
FS:  0000000000000000(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000568020 CR3: 00000000b3aca000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:60 [inline]
 list_add_tail include/linux/list.h:93 [inline]
 kobj_kset_join lib/kobject.c:169 [inline]
 kobject_add_internal+0x165/0x8d0 lib/kobject.c:219
 kobject_add_varg lib/kobject.c:363 [inline]
 kobject_add+0x10f/0x170 lib/kobject.c:407
 device_add+0x33e/0x1530 drivers/base/core.c:1827
 hci_conn_add_sysfs+0x8e/0x160 net/bluetooth/hci_sysfs.c:53
 hci_sync_conn_complete_evt.isra.100+0x8a8/0xaa0 net/bluetooth/hci_event.c:3772
 hci_event_packet+0x3780/0x7576 net/bluetooth/hci_event.c:5371
 hci_rx_work+0x368/0xa40 net/bluetooth/hci_core.c:4258
 process_one_work+0x7b9/0x1580 kernel/workqueue.c:2153
 worker_thread+0x85/0xb60 kernel/workqueue.c:2296
 kthread+0x316/0x3d0 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:412
Modules linked in:
---[ end trace 3a1a331dc5714e49 ]---
RIP: 0010:__list_add_valid+0xaa/0xb0 lib/list_debug.c:29
Code: e8 eb a9 48 89 f7 48 89 75 e8 e8 41 72 4e fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 40 46 ee 87 e8 d5 d7 0c fe <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 
RSP: 0018:ffff8800b26577f8 EFLAGS: 00010282
RAX: 0000000000000058 RBX: ffff8800b5b0c900 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87ee4400 RDI: ffffffff8b1e4d20
RBP: ffff8800b2657810 R08: ffffed00174e4db9 R09: ffffed00174e4db8
R10: ffffed00174e4db8 R11: ffff8800ba726dc7 R12: ffff8800acfe83d8
R13: ffff8800acfe83e8 R14: ffff8800b5b0c900 R15: ffff8800acfe83d0
FS:  0000000000000000(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000568020 CR3: 00000000b3aca000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400