general protection fault, probably for non-canonical address 0xdffffc00000001f2: 0000 [#1] SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000f90-0x0000000000000f97]
CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.8.0-rc3-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_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline]
RIP: 0010:ath9k_hif_usb_rx_cb+0x843/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671
Code: 00 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 51 05 00 00 4d 8b 7f 08 49 8d bf 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e 25 05 00 00 48 8b 44 24 30 0f
RSP: 0018:ffff8881db309920 EFLAGS: 00010002
RAX: 00000000000001f2 RBX: 00000000000000b2 RCX: ffffc900006a8000
RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881cf09c623
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000000b2 R14: ffff8881ca969780 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87932c5940 CR3: 00000001ac744000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716
 dummy_timer+0x11f2/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1967
 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1773
 __run_timers kernel/time/timer.c:1745 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1786
 __do_softirq+0x222/0x95b kernel/softirq.c:292
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:387 [inline]
 __irq_exit_rcu kernel/softirq.c:417 [inline]
 irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429
 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:console_unlock+0xa99/0xcd0 kernel/printk/printk.c:2501
Code: 00 89 ee 48 c7 c7 a0 ec 34 87 e8 e2 b7 03 00 65 ff 0d cb 79 d8 7e e9 87 f9 ff ff e8 a1 2c 16 00 e8 ec b7 1b 00 ff 74 24 30 9d <e9> 20 fe ff ff e8 8d 2c 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42
RSP: 0018:ffff8881da3175c0 EFLAGS: 00000246
RAX: 00000000003f7aef RBX: 0000000000000200 RCX: 0000000000000006
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81297544
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff82b038b0
R13: ffffffff876f5230 R14: 0000000000000032 R15: dffffc0000000000
 vprintk_emit+0x1b2/0x460 kernel/printk/printk.c:2021
 dev_vprintk_emit+0x3eb/0x436 drivers/base/core.c:3883
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:3894
 __dev_printk+0xcf/0xf5 drivers/base/core.c:3906
 _dev_info+0xd7/0x109 drivers/base/core.c:3952
 show_string drivers/usb/core/hub.c:2268 [inline]
 announce_device drivers/usb/core/hub.c:2286 [inline]
 usb_new_device.cold+0x924/0xfd4 drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2417
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Modules linked in:
---[ end trace 9b20c978271b8883 ]---
RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline]
RIP: 0010:ath9k_hif_usb_rx_cb+0x843/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671
Code: 00 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 51 05 00 00 4d 8b 7f 08 49 8d bf 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e 25 05 00 00 48 8b 44 24 30 0f
RSP: 0018:ffff8881db309920 EFLAGS: 00010002
RAX: 00000000000001f2 RBX: 00000000000000b2 RCX: ffffc900006a8000
RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881cf09c623
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000000b2 R14: ffff8881ca969780 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87932c5940 CR3: 00000001ac744000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400