==================================================================
BUG: KASAN: use-after-free in mcp2221_raw_event+0xf98/0x1030 drivers/hid/hid-mcp2221.c:852
Read of size 1 at addr ffff88813a7bffff by task kworker/0:5/5360

CPU: 0 UID: 0 PID: 5360 Comm: kworker/0:5 Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:489
 kasan_report+0xd9/0x110 mm/kasan/report.c:602
 mcp2221_raw_event+0xf98/0x1030 drivers/hid/hid-mcp2221.c:852
 __hid_input_report.constprop.0+0x312/0x440 drivers/hid/hid-core.c:2111
 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+0x17f7/0x3960 drivers/usb/gadget/udc/dummy_hcd.c:1993
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820
 handle_softirqs+0x206/0x8d0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xfa/0x160 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211
Code: 00 e8 b0 d1 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 ee 3a 20 00 48 85 db 0f 85 55 01 00 00 e8 70 38 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 15 fc 79
RSP: 0018:ffffc9000492f208 EFLAGS: 00000283
RAX: ffffffff893a9458 RBX: 0000000000000000 RCX: ffffc900109a9000
RDX: 0000000000100000 RSI: ffffffff813b3340 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000006 R12: ffffffff893a9458
R13: ffffffff893a9400 R14: ffffc9000492f298 R15: dffffc0000000000
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
 dev_vprintk_emit drivers/base/core.c:4935 [inline]
 dev_printk_emit+0xfb/0x140 drivers/base/core.c:4946
 __dev_printk+0xf5/0x270 drivers/base/core.c:4958
 _dev_notice+0xe5/0x120 drivers/base/core.c:5003
 usb_parse_endpoint drivers/usb/core/config.c:310 [inline]
 usb_parse_interface drivers/usb/core/config.c:594 [inline]
 usb_parse_configuration drivers/usb/core/config.c:807 [inline]
 usb_get_configuration+0x3825/0x5e60 drivers/usb/core/config.c:956
 usb_enumerate_device drivers/usb/core/hub.c:2483 [inline]
 usb_new_device+0x1189/0x1a10 drivers/usb/core/hub.c:2621
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88813a7bf620 pfn:0x13a7bf
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 dead000000000100 dead000000000122 0000000000000000
raw: ffff88813a7bf620 0000000000120000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 11043, tgid 11043 (modprobe), ts 611368024195, free_ts 639456538586
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0xe76/0x2b90 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x21c/0x22a0 mm/page_alloc.c:4753
 alloc_pages_mpol_noprof+0xeb/0x400 mm/mempolicy.c:2269
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab mm/slub.c:2589 [inline]
 new_slab+0x2c9/0x410 mm/slub.c:2642
 ___slab_alloc+0xd1d/0x16e0 mm/slub.c:3830
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
 __slab_alloc_node mm/slub.c:3995 [inline]
 slab_alloc_node mm/slub.c:4156 [inline]
 kmem_cache_alloc_noprof+0x1fd/0x3b0 mm/slub.c:4175
 vm_area_dup+0x1f/0x160 kernel/fork.c:487
 __split_vma+0x181/0x1130 mm/vma.c:434
 split_vma mm/vma.c:510 [inline]
 vma_modify+0x2ed/0x3b0 mm/vma.c:1528
 vma_modify_flags+0x1c4/0x250 mm/vma.c:1546
 mprotect_fixup+0x2c2/0xbe0 mm/mprotect.c:666
 do_mprotect_pkey+0x981/0xcf0 mm/mprotect.c:840
 __do_sys_mprotect mm/mprotect.c:861 [inline]
 __se_sys_mprotect mm/mprotect.c:858 [inline]
 __x64_sys_mprotect+0x78/0xc0 mm/mprotect.c:858
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
page last free pid 11085 tgid 11085 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0x661/0xe40 mm/page_alloc.c:2659
 __put_partials+0x14c/0x170 mm/slub.c:3157
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4119 [inline]
 slab_alloc_node mm/slub.c:4168 [inline]
 kmem_cache_alloc_noprof+0x154/0x3b0 mm/slub.c:4175
 getname_flags.part.0+0x4c/0x550 fs/namei.c:139
 getname_flags include/linux/audit.h:322 [inline]
 getname+0x8d/0xe0 fs/namei.c:223
 getname_maybe_null include/linux/fs.h:2796 [inline]
 vfs_fstatat+0xdf/0xf0 fs/stat.c:361
 __do_sys_newfstatat+0xa2/0x130 fs/stat.c:530
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88813a7bfe80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88813a7bff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88813a7bff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                                ^
 ffff88813a7c0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88813a7c0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e8 b0 d1 27 00       	call   0x27d1b5
   5:	9c                   	pushf
   6:	5b                   	pop    %rbx
   7:	81 e3 00 02 00 00    	and    $0x200,%ebx
   d:	31 ff                	xor    %edi,%edi
   f:	48 89 de             	mov    %rbx,%rsi
  12:	e8 ee 3a 20 00       	call   0x203b05
  17:	48 85 db             	test   %rbx,%rbx
  1a:	0f 85 55 01 00 00    	jne    0x175
  20:	e8 70 38 20 00       	call   0x203895
  25:	fb                   	sti
  26:	4c 89 e0             	mov    %r12,%rax
* 29:	48 c1 e8 03          	shr    $0x3,%rax <-- trapping instruction
  2d:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  32:	0f 84 11 ff ff ff    	je     0xffffff49
  38:	4c 89 e7             	mov    %r12,%rdi
  3b:	e8                   	.byte 0xe8
  3c:	15                   	.byte 0x15
  3d:	fc                   	cld
  3e:	79                   	.byte 0x79