overlayfs: filesystem on './bus' not supported as upperdir
EXT4-fs (loop1): VFS: Can't find ext4 filesystem
Bluetooth: hci0 command 0x040f tx timeout
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3511 at net/mac80211/rx.c:4321 ieee80211_rx_napi+0x177a/0x1e40 net/mac80211/rx.c:4321
ieee80211 phy11: mac80211_hwsim_start
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3511 Comm: kworker/0:2 Not tainted 4.14.203-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient fb_flashcursor
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
ieee80211 phy11: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:0b:00)
 __warn.cold+0x20/0x4b kernel/panic.c:547
 report_bug+0x208/0x249 lib/bug.c:186
ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:0b:00)
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:ieee80211_rx_napi+0x177a/0x1e40 net/mac80211/rx.c:4321
RSP: 0018:ffff8880ba407d28 EFLAGS: 00010206
ieee80211 phy11:   ERP_CTS_PROT: 0
RAX: ffff8880a970c300 RBX: 0000000000000000 RCX: 1ffff11017480fb2
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8880592a21fc
RBP: ffff8880592a16c0 R08: ffffffff8b98aff8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880592a3560
R13: ffff8880aa29d640 R14: ffff8880592a22c0 R15: ffff8880592a1ca0
 ieee80211_rx include/net/mac80211.h:4026 [inline]
 ieee80211_tasklet_handler+0x90/0xf0 net/mac80211/main.c:228
 tasklet_action+0x195/0x340 kernel/softirq.c:513
ieee80211 phy11:   ERP_PREAMBLE: 0
 __do_softirq+0x254/0xa1d kernel/softirq.c:288
ieee80211 phy11:   ERP_SLOT: 0
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x193/0x240 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:200
RSP: 0018:ffff8880a978fd58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff11e1233 RBX: ffff8880ba429a90 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880a970cb84
RBP: ffff8880ba429a40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0b350a0
R13: ffff8880a94c7200 R14: ffff8880ba429a40 R15: ffff8880ba42e800
ieee80211 phy11: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2)
 spin_unlock_irq include/linux/spinlock.h:367 [inline]
 process_one_work+0x6c4/0x14a0 kernel/workqueue.c:2089
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
ieee80211 phy11: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2)
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..