==================================================================
BUG: KASAN: use-after-free in ar5523_cmd_tx_cb+0x220/0x240 drivers/net/wireless/ath/ar5523/ar5523.c:228
Read of size 8 at addr ffff8881002f73f0 by task swapper/1/0

CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc7-syzkaller-00142-g88a15fbb47db #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313
 print_report mm/kasan/report.c:429 [inline]
 kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
 ar5523_cmd_tx_cb+0x220/0x240 drivers/net/wireless/ath/ar5523/ar5523.c:228
 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670
 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747
 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1790
 __run_timers kernel/time/timer.c:1768 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
 __do_softirq+0x288/0x9a5 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c9/0x240 drivers/acpi/processor_idle.c:554
Code: 89 de e8 1a f4 54 fb 84 db 75 98 e8 11 f8 54 fb e8 cc 3c 5b fb 66 90 e8 05 f8 54 fb 0f 00 2d ce a0 7b 00 e8 f9 f7 54 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 44 f4 54 fb 48 85 db
RSP: 0018:ffffc9000010fd20 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8881002cd580 RSI: ffffffff85f030f7 RDI: 0000000000000000
RBP: ffff8881094c7064 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff8881094c7000 R14: ffff8881094c7064 R15: ffff88810037d004
 acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:691
 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x3e8/0x590 kernel/sched/idle.c:303
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:266
 secondary_startup_64_no_verify+0xce/0xdb
 </TASK>

The buggy address belongs to the physical page:
page:ffffea000400bdc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1002f7
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x140dc0(GFP_USER|__GFP_COMP|__GFP_ZERO), pid 4128, tgid 4128 (kworker/1:5), ts 2169209685768, free_ts 2171281155887
 prep_new_page mm/page_alloc.c:2456 [inline]
 get_page_from_freelist+0x138c/0x27a0 mm/page_alloc.c:4198
 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5426
 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
 kmalloc_order+0x34/0xf0 mm/slab_common.c:945
 kmalloc_order_trace+0x14/0x120 mm/slab_common.c:961
 kmalloc include/linux/slab.h:605 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 wiphy_new_nm+0x6f0/0x2080 net/wireless/core.c:440
 ieee80211_alloc_hw_nm+0x373/0x2270 net/mac80211/main.c:585
 ieee80211_alloc_hw include/net/mac80211.h:4412 [inline]
 ar5523_probe+0x121/0x1da0 drivers/net/wireless/ath/ar5523/ar5523.c:1595
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:555 [inline]
 really_probe+0x23e/0xb90 drivers/base/dd.c:634
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x1e4/0x530 drivers/base/dd.c:989
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1371 [inline]
 free_pcp_prepare+0x537/0xb80 mm/page_alloc.c:1421
 free_unref_page_prepare mm/page_alloc.c:3343 [inline]
 free_unref_page+0x19/0x5a0 mm/page_alloc.c:3438
 device_release+0x9f/0x240 drivers/base/core.c:2241
 kobject_cleanup lib/kobject.c:673 [inline]
 kobject_release lib/kobject.c:704 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:721
 put_device+0x1b/0x30 drivers/base/core.c:3535
 ar5523_probe+0x1338/0x1da0 drivers/net/wireless/ath/ar5523/ar5523.c:1719
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:555 [inline]
 really_probe+0x23e/0xb90 drivers/base/dd.c:634
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x1e4/0x530 drivers/base/dd.c:989
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xbda/0x1ea0 drivers/base/core.c:3428
 usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170

Memory state around the buggy address:
 ffff8881002f7280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8881002f7300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff8881002f7380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                             ^
 ffff8881002f7400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8881002f7480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
----------------
Code disassembly (best guess):
   0:	89 de                	mov    %ebx,%esi
   2:	e8 1a f4 54 fb       	callq  0xfb54f421
   7:	84 db                	test   %bl,%bl
   9:	75 98                	jne    0xffffffa3
   b:	e8 11 f8 54 fb       	callq  0xfb54f821
  10:	e8 cc 3c 5b fb       	callq  0xfb5b3ce1
  15:	66 90                	xchg   %ax,%ax
  17:	e8 05 f8 54 fb       	callq  0xfb54f821
  1c:	0f 00 2d ce a0 7b 00 	verw   0x7ba0ce(%rip)        # 0x7ba0f1
  23:	e8 f9 f7 54 fb       	callq  0xfb54f821
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	9c                   	pushfq <-- trapping instruction
  2b:	5b                   	pop    %rbx
  2c:	81 e3 00 02 00 00    	and    $0x200,%ebx
  32:	fa                   	cli
  33:	31 ff                	xor    %edi,%edi
  35:	48 89 de             	mov    %rbx,%rsi
  38:	e8 44 f4 54 fb       	callq  0xfb54f481
  3d:	48 85 db             	test   %rbx,%rbx