IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9029 at net/mac80211/offchannel.c:419 ieee80211_start_next_roc+0x1b7/0x210 net/mac80211/offchannel.c:409
Modules linked in:
CPU: 1 PID: 9029 Comm: kworker/u4:6 Not tainted 4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy9 ieee80211_scan_work
task: ffff8881ec43c680 task.stack: ffff8881dca20000
RIP: 0010:ieee80211_start_next_roc net/mac80211/offchannel.c:419 [inline]
RIP: 0010:ieee80211_start_next_roc+0x1b7/0x210 net/mac80211/offchannel.c:401
RSP: 0018:ffff8881dca27ba0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8881dce29ca0 RCX: ffffed103d8879e0
RDX: 1ffff1103aa0df04 RSI: 0000000000000000 RDI: ffff8881d506f820
RBP: ffff8881dca27bb0 R08: 1ffff1103d8879e0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d506f800
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8881dce2ab88
FS:  0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001785808 CR3: 0000000008e6a001 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __ieee80211_scan_completed+0x505/0x1210 net/mac80211/scan.c:415
 ieee80211_scan_work+0x2da/0x1620 net/mac80211/scan.c:962
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: bf 32 00 00 00 e8 7a e8 81 fa 48 8d b3 88 16 00 00 48 89 df 48 89 c2 e8 38 1d 0a 00 5b 41 5c 5d c3 48 89 df e8 0b 7b ff ff eb b0 <0f> 0b eb ac e8 30 18 b8 fa e9 76 fe ff ff e8 e6 17 b8 fa e9 da 
---[ end trace 78f83d53f21db459 ]---