[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[   16.361357][    C1] random: crng init done
[   16.365685][    C1] random: 7 urandom warning(s) missed due to ratelimiting


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   23.156407][   T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   23.525607][   T83] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[   23.534708][   T83] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   23.542759][   T83] usb 1-1: Product: syz
[   23.546983][   T83] usb 1-1: Manufacturer: syz
[   23.551722][   T83] usb 1-1: SerialNumber: syz
[   23.596376][   T83] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[   24.244875][   T83] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[   24.464844][    C1] ==================================================================
[   24.473135][    C1] BUG: KASAN: stack-out-of-bounds in ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.481204][    C1] Write of size 8 at addr ffff8881db309a28 by task swapper/1/0
[   24.488773][    C1] 
[   24.491110][    C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc7-syzkaller #0
[   24.498985][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   24.509247][    C1] Call Trace:
[   24.512524][    C1]  <IRQ>
[   24.515816][    C1]  dump_stack+0xef/0x16e
[   24.520055][    C1]  ? ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.525320][    C1]  ? ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.530611][    C1]  print_address_description.constprop.0.cold+0xd3/0x314
[   24.537627][    C1]  ? ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.542951][    C1]  ? ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.548250][    C1]  __kasan_report.cold+0x37/0x77
[   24.553180][    C1]  ? ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.558597][    C1]  kasan_report+0xe/0x20
[   24.562920][    C1]  ath9k_hif_usb_rx_cb+0xdf6/0xf70
[   24.568022][    C1]  ? hif_usb_mgmt_cb+0x300/0x300
[   24.572957][    C1]  ? do_raw_read_unlock+0x3b/0x70
[   24.577967][    C1]  ? _raw_read_unlock+0x1a/0x30
[   24.582889][    C1]  __usb_hcd_giveback_urb+0x1f2/0x470
[   24.588248][    C1]  usb_hcd_giveback_urb+0x368/0x420
[   24.593425][    C1]  dummy_timer+0x1258/0x32ae
[   24.597992][    C1]  ? dummy_udc_probe+0x930/0x930
[   24.602907][    C1]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   24.608446][    C1]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   24.613709][    C1]  call_timer_fn+0x195/0x6f0
[   24.618288][    C1]  ? dummy_udc_probe+0x930/0x930
[   24.623212][    C1]  ? msleep_interruptible+0x130/0x130
[   24.628579][    C1]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   24.634152][    C1]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   24.639416][    C1]  ? _raw_spin_unlock_irq+0x1f/0x30
[   24.644594][    C1]  ? dummy_udc_probe+0x930/0x930
[   24.649505][    C1]  run_timer_softirq+0x5f9/0x1500
[   24.654562][    C1]  ? add_timer+0x7a0/0x7a0
[   24.658970][    C1]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   24.664498]