==================================================================
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline]
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xdb4/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:671
Read of size 4 at addr ffff8881cc914090 by task kworker/1:1/21

CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events request_firmware_work_func
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xf6/0x16e lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xd3/0x415 mm/kasan/report.c:383
 __kasan_report mm/kasan/report.c:513 [inline]
 kasan_report.cold+0x37/0x7c mm/kasan/report.c:530
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline]
 ath9k_hif_usb_rx_cb+0xdb4/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:671
 __usb_hcd_giveback_urb+0x29a/0x550 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1716
 dummy_timer+0x125e/0x32b4 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 kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x5e5/0x14c0 kernel/time/timer.c:1786
 __do_softirq+0x21e/0x996 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+0x109/0x140 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+0x16f/0x1a0 kernel/softirq.c:429
 sysvec_apic_timer_interrupt+0xd3/0x1b0 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+0xa62/0xc90 kernel/printk/printk.c:2511
Code: 00 89 ee 48 c7 c7 20 c2 34 87 e8 69 b8 03 00 65 ff 0d 32 bb d8 7e e9 be f9 ff ff e8 68 39 16 00 e8 73 9d 1b 00 ff 74 24 30 9d <e9> 20 fe ff ff e8 54 39 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42
RSP: 0018:ffff8881da317a30 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffffffff1014efa
RDX: 1ffff1103b449d87 RSI: 0000000000000000 RDI: ffff8881da24ec38
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff895a3667 R11: fffffbfff12b46cc R12: ffffffff82ac0070
R13: ffffffff876f1d10 R14: 0000000000000042 R15: dffffc0000000000
 vprintk_emit+0x16d/0x3d0 kernel/printk/printk.c:2031
 vprintk_func+0x8b/0x133 kernel/printk/printk_safe.c:393
 printk+0xba/0xed kernel/printk/printk.c:2080
 ath9k_htc_hw_init.cold+0x17/0x22 drivers/net/wireless/ath/ath9k/htc_hst.c:502
 ath9k_hif_usb_firmware_cb+0x274/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1218
 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1001
 process_one_work+0x965/0x1620 kernel/workqueue.c:2269
 worker_thread+0x96/0xe10 kernel/workqueue.c:2415
 kthread+0x352/0x460 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

general protection fault, probably for non-canonical address 0xdead000000000400: 0000 [#1] SMP KASAN
CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events request_firmware_work_func
RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline]
RIP: 0010:print_address_description.constprop.0.cold+0x124/0x415 mm/kasan/report.c:388
Code: 00 f6 c4 02 0f 84 0f ff ff ff 48 89 e9 48 2b 0d 5b ff a7 05 4c 89 e0 4c 8b 6d 18 48 c1 f9 06 48 c1 e1 0c 48 03 0d 55 ff a7 05 <41> 8b 7d 18 48 29 c8 48 99 48 f7 ff 4c 89 e0 48 29 d0 48 89 c2 0f
RSP: 0018:ffff8881db309850 EFLAGS: 00010086
RAX: ffff8881cc914090 RBX: 0000000000000004 RCX: ffff8881cc914000
RDX: 0000000000000000 RSI: ffffffff81298423 RDI: ffffed103b6612fc
RBP: ffffea0007324500 R08: 0000000000000000 R09: ffffed103b663fd2
R10: ffff8881db31fe8b R11: ffffed103b663fd1 R12: ffff8881cc914090
R13: dead000000000400 R14: ffffffff82dc3184 R15: ffff8881cc913100
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000223c CR3: 00000001d98ef000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __kasan_report mm/kasan/report.c:513 [inline]
 kasan_report.cold+0x37/0x7c mm/kasan/report.c:530
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline]
 ath9k_hif_usb_rx_cb+0xdb4/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:671
 __usb_hcd_giveback_urb+0x29a/0x550 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1716
 dummy_timer+0x125e/0x32b4 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 kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x5e5/0x14c0 kernel/time/timer.c:1786
 __do_softirq+0x21e/0x996 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+0x109/0x140 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+0x16f/0x1a0 kernel/softirq.c:429
 sysvec_apic_timer_interrupt+0xd3/0x1b0 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+0xa62/0xc90 kernel/printk/printk.c:2511
Code: 00 89 ee 48 c7 c7 20 c2 34 87 e8 69 b8 03 00 65 ff 0d 32 bb d8 7e e9 be f9 ff ff e8 68 39 16 00 e8 73 9d 1b 00 ff 74 24 30 9d <e9> 20 fe ff ff e8 54 39 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42
RSP: 0018:ffff8881da317a30 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffffffff1014efa
RDX: 1ffff1103b449d87 RSI: 0000000000000000 RDI: ffff8881da24ec38
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff895a3667 R11: fffffbfff12b46cc R12: ffffffff82ac0070
R13: ffffffff876f1d10 R14: 0000000000000042 R15: dffffc0000000000
 vprintk_emit+0x16d/0x3d0 kernel/printk/printk.c:2031
 vprintk_func+0x8b/0x133 kernel/printk/printk_safe.c:393
 printk+0xba/0xed kernel/printk/printk.c:2080
 ath9k_htc_hw_init.cold+0x17/0x22 drivers/net/wireless/ath/ath9k/htc_hst.c:502
 ath9k_hif_usb_firmware_cb+0x274/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1218
 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1001
 process_one_work+0x965/0x1620 kernel/workqueue.c:2269
 worker_thread+0x96/0xe10 kernel/workqueue.c:2415
 kthread+0x352/0x460 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Modules linked in:
---[ end trace bfc6ba8dc96a59e1 ]---
RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline]
RIP: 0010:print_address_description.constprop.0.cold+0x124/0x415 mm/kasan/report.c:388
Code: 00 f6 c4 02 0f 84 0f ff ff ff 48 89 e9 48 2b 0d 5b ff a7 05 4c 89 e0 4c 8b 6d 18 48 c1 f9 06 48 c1 e1 0c 48 03 0d 55 ff a7 05 <41> 8b 7d 18 48 29 c8 48 99 48 f7 ff 4c 89 e0 48 29 d0 48 89 c2 0f
RSP: 0018:ffff8881db309850 EFLAGS: 00010086
RAX: ffff8881cc914090 RBX: 0000000000000004 RCX: ffff8881cc914000
RDX: 0000000000000000 RSI: ffffffff81298423 RDI: ffffed103b6612fc
RBP: ffffea0007324500 R08: 0000000000000000 R09: ffffed103b663fd2
R10: ffff8881db31fe8b R11: ffffed103b663fd1 R12: ffff8881cc914090
R13: dead000000000400 R14: ffffffff82dc3184 R15: ffff8881cc913100
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000223c CR3: 00000001d98ef000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400