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BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:580 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xc67/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671
Read of size 4 at addr ffff8881be45409c by task syz-executor.4/352

CPU: 1 PID: 352 Comm: syz-executor.4 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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+0x1a/0x210 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:580 [inline]
 ath9k_hif_usb_rx_cb+0xc67/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671
 __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: 0033:0x45b0b0
Code: Bad RIP value.
RSP: 002b:00007ffc12062628 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000042285 RCX: 000000000045b0b0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc12062630
RBP: 00000000000000bb R08: 0000000000000001 R09: 0000000002792940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc12062680 R14: 0000000000041d00 R15: 00007ffc12062690

Allocated by task 0:
(stack is not available)

Freed by task 0:
(stack is not available)

The buggy address belongs to the object at ffff8881be453300
 which belongs to the cache names_cache of size 4096
The buggy address is located 3484 bytes inside of
 4096-byte region [ffff8881be453300, ffff8881be454300)
The buggy address belongs to the page:
page:ffffea0006f91400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea0006f91400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da120000
raw: 0000000000000000 0000000080070007 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881be453f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881be454000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881be454080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                            ^
 ffff8881be454100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881be454180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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