BUG: unable to handle page fault for address: ffffffffffffffc8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7426067 P4D 7426067 PUD 7428067 PMD 0 
Oops: 0000 [#1] SMP KASAN
CPU: 1 PID: 30825 Comm: kworker/1:3 Tainted: G        W         5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135
Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64
RSP: 0018:ffffc900001489b8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005a8a000
RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000148928
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52000029125 R11: 0000000000000000 R12: ffff88811437b678
R13: ffff88811437b240 R14: ffff88811437b688 R15: ffff8881088eb3a8
FS:  0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffc8 CR3: 0000000144c42000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ath9k_htc_rx_msg+0x2e4/0xb70 drivers/net/wireless/ath/ath9k/htc_hst.c:461
 ath9k_hif_usb_reg_in_cb+0x1ac/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:733
 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726
 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x675/0xa10 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744
 __do_softirq+0x1b0/0x910 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x117/0x160 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x10 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:console_unlock+0xa65/0xc20 kernel/printk/printk.c:2484
Code: 24 08 4c 89 6c 24 20 e9 88 f9 ff ff e8 c4 06 17 00 0f 0b e9 14 fa ff ff e8 b8 06 17 00 48 8b bc 24 68 01 00 00 e8 6b c8 ff ff <e8> a6 06 17 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 30 48 c7
RSP: 0018:ffffc9000605f568 EFLAGS: 00000246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc900103fb000
RDX: 0000000000040000 RSI: ffffffff812a5b45 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff812a5b37 R11: 0000000000000000 R12: ffffffff82d7eae0
R13: 0000000000000200 R14: dffffc0000000000 R15: 0000000000000200
 vprintk_emit+0x20a/0x580 kernel/printk/printk.c:2174
 dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4553
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:4564
 __dev_printk+0xcf/0xf5 drivers/base/core.c:4576
 _dev_warn+0xd7/0x109 drivers/base/core.c:4620
 hub_port_init.cold+0xdf/0x36d drivers/usb/core/hub.c:4936
 hub_port_connect drivers/usb/core/hub.c:5232 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
 port_event drivers/usb/core/hub.c:5586 [inline]
 hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5668
 process_one_work+0x98d/0x15b0 kernel/workqueue.c:2276
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3c0/0x4a0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
CR2: ffffffffffffffc8
---[ end trace 31a77661c51f9f0c ]---
RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135
Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64
RSP: 0018:ffffc900001489b8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005a8a000
RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000148928
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52000029125 R11: 0000000000000000 R12: ffff88811437b678
R13: ffff88811437b240 R14: ffff88811437b688 R15: ffff8881088eb3a8
FS:  0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffc8 CR3: 0000000144c42000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400