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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+0xb49/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:671
Read of size 4 at addr ffff8881d399403c by task swapper/1/0

CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-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.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:580 [inline]
 ath9k_hif_usb_rx_cb+0xb49/0x1050 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
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x178/0x1a0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:546 [inline]
 smp_apic_timer_interrupt+0x141/0x540 arch/x86/kernel/apic/apic.c:1107
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:49 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_safe_halt+0x72/0x90 drivers/acpi/processor_idle.c:108
Code: 74 06 5b e9 d0 8c a6 fb e8 cb 8c a6 fb e8 b6 e5 ab fb e9 0c 00 00 00 e8 bc 8c a6 fb 0f 00 2d 25 99 6b 00 e8 b0 8c a6 fb fb f4 <fa> e8 c8 ec ab fb 5b e9 a2 8c a6 fb 48 89 df e8 6a 3b d0 fb eb ab
RSP: 0018:ffff8881da227c60 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881da20b200 RBX: 0000000000000000 RCX: 1ffffffff0fd4d4a
RDX: 0000000000000000 RSI: ffffffff85992400 RDI: ffff8881da20ba38
RBP: ffff8881da393864 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da393864
R13: 1ffff1103b444f96 R14: ffff8881da393865 R15: 0000000000000001
 acpi_idle_do_entry+0xa9/0xe0 drivers/acpi/processor_idle.c:525
 acpi_idle_enter+0x42b/0xac0 drivers/acpi/processor_idle.c:651
 cpuidle_enter_state+0xdb/0xc20 drivers/cpuidle/cpuidle.c:234
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:345
 call_cpuidle kernel/sched/idle.c:117 [inline]
 cpuidle_idle_call kernel/sched/idle.c:207 [inline]
 do_idle+0x3c2/0x500 kernel/sched/idle.c:269
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:365
 start_secondary+0x2ae/0x390 arch/x86/kernel/smpboot.c:268
 secondary_startup_64+0xb6/0xc0 arch/x86/kernel/head_64.S:242

Allocated by task 0:
(stack is not available)

Freed by task 0:
(stack is not available)

The buggy address belongs to the object at ffff8881d3994000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 60 bytes inside of
 2048-byte region [ffff8881d3994000, ffff8881d3994800)
The buggy address belongs to the page:
page:ffffea00074e6400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea00074e6400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000
raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881d3993f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881d3993f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881d3994000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                        ^
 ffff8881d3994080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881d3994100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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