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: 34 at net/mac80211/ibss.c:506 sdata_assert_lock net/mac80211/ieee80211_i.h:1003 [inline]
WARNING: CPU: 1 PID: 34 at net/mac80211/ibss.c:506 ieee80211_ibss_csa_beacon+0x4ad/0x600 net/mac80211/ibss.c:496
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 34 Comm: kworker/u4:2 Not tainted 4.14.213-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy17 ieee80211_csa_finalize_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14b/0x1f1 lib/dump_stack.c:58
 panic+0x1b0/0x358 kernel/panic.c:183
 __warn.cold.7+0x25/0x2c kernel/panic.c:547
 report_bug+0x1a4/0x1f3 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:ieee80211_ibss_csa_beacon+0x4ad/0x600 net/mac80211/ibss.c:506
RSP: 0018:ffff8881f4ecfc30 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 1ffff1103e9d8961
RDX: 1ffffffff11e109b RSI: ffff8881f4ec4ae8 RDI: 0000000000000001
RBP: ffff8881f4ecfc88 R08: ffff8881f4ec4b08 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881d6d0a528 R14: ffff8881d6d0aaf0 R15: ffff8881d6d0a000
 ieee80211_ibss_finish_csa+0x1aa/0x4c0 net/mac80211/ibss.c:565
 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:2909 [inline]
 __ieee80211_csa_finalize+0x5d2/0xb30 net/mac80211/cfg.c:2965
 ieee80211_csa_finalize net/mac80211/cfg.c:2988 [inline]
 ieee80211_csa_finalize_work+0xfb/0x120 net/mac80211/cfg.c:3013
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xed0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..