IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes 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: 9144 at net/mac80211/offchannel.c:419 ieee80211_start_next_roc+0x1b7/0x210 net/mac80211/offchannel.c:409 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9144 Comm: kworker/u4:6 Not tainted 4.14.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy7 ieee80211_scan_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_start_next_roc+0x1b7/0x210 net/mac80211/offchannel.c:419 RSP: 0018:ffff8881dcebfbb0 EFLAGS: 00010202 ieee80211 phy12: mac80211_hwsim_config (freq=5785(5785 - 0)/noht idle=0 ps=0 smps=static) RAX: 0000000000000000 RBX: ffff8881d7f59ba0 RCX: ffffed103a25f5d8 RDX: 1ffff1103c857dc4 RSI: 0000000000000000 RDI: ffff8881e42bee20 RBP: ffff8881dcebfbc0 R08: 1ffff1103a25f5d8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881e42bee00 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8881d7f5aa48 __ieee80211_scan_completed+0x505/0x1210 net/mac80211/scan.c:415 ieee80211_scan_work+0x2d6/0x1610 net/mac80211/scan.c:962 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..