==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy include/linux/fortify-string.h:225 [inline]
BUG: KASAN: slab-out-of-bounds in usb_hcd_poll_rh_status+0x376/0x780 drivers/usb/core/hcd.c:774
Write of size 2 at addr ffff88801c6ee8c0 by task syz-executor.3/22929

CPU: 1 PID: 22929 Comm: syz-executor.3 Not tainted 5.16.0-rc2-next-20211125-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:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xa5/0x3ed mm/kasan/report.c:247
 __kasan_report mm/kasan/report.c:433 [inline]
 kasan_report.cold+0x83/0xdf mm/kasan/report.c:450
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 memcpy+0x39/0x60 mm/kasan/shadow.c:66
 memcpy include/linux/fortify-string.h:225 [inline]
 usb_hcd_poll_rh_status+0x376/0x780 drivers/usb/core/hcd.c:774
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:read_emulate+0x0/0x40 arch/x86/kvm/x86.c:6764
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 0d 48 8b 3b 48 89 ee 5b 5d e9 af dc 0f 00 48 89 df e8 b7 96 b5 00 eb e9 0f 1f 44 00 00 <41> 55 49 89 d5 41 54 49 89 f4 55 48 89 fd 53 89 cb e8 9a 07 6b 00
RSP: 0018:ffffc90003c27678 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff888020664000 RCX: 0000000000000001
RDX: ffff8880333f68d0 RSI: 00000000000000d8 RDI: ffff888020664000
RBP: ffffffff89a31560 R08: 0000000000000000 R09: ffffc90003b5bf53
R10: ffffffff810ea8e0 R11: 0000000000000000 R12: 00000000000000d8
R13: 0000000000000000 R14: ffff8880241c0000 R15: 0000000000000000
 emulator_read_write_onepage+0x3bb/0xb30 arch/x86/kvm/x86.c:6839
 emulator_read_write+0x1c4/0x5a0 arch/x86/kvm/x86.c:6894
 read_emulated+0x125/0x270 arch/x86/kvm/emulate.c:1353
 segmented_read arch/x86/kvm/emulate.c:1377 [inline]
 x86_emulate_insn+0x2869/0x39c0 arch/x86/kvm/emulate.c:5514
 x86_emulate_instruction+0x714/0x1460 arch/x86/kvm/x86.c:8117
 kvm_mmu_page_fault+0x3e9/0x19b0 arch/x86/kvm/mmu/mmu.c:5326
 handle_ept_violation+0x29c/0x6e0 arch/x86/kvm/vmx/vmx.c:5303
 __vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6012 [inline]
 vmx_handle_exit+0x4f7/0x18a0 arch/x86/kvm/vmx/vmx.c:6029
 vcpu_enter_guest+0x2b88/0x44a0 arch/x86/kvm/x86.c:9894
 vcpu_run arch/x86/kvm/x86.c:9961 [inline]
 kvm_arch_vcpu_ioctl_run+0x4fc/0x21a0 arch/x86/kvm/x86.c:10156
 kvm_vcpu_ioctl+0x570/0xf30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3725
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7feec5f5eae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feec34b3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007feec6072020 RCX: 00007feec5f5eae9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007feec5fb8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda7a74fef R14: 00007feec34b3300 R15: 0000000000022000
 </TASK>

Allocated by task 22930:
 kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 ____kasan_kmalloc mm/kasan/common.c:472 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:522
 kmalloc include/linux/slab.h:595 [inline]
 proc_do_submiturb+0x2a7d/0x3630 drivers/usb/core/devio.c:1816
 proc_submiturb drivers/usb/core/devio.c:1975 [inline]
 usbdev_do_ioctl drivers/usb/core/devio.c:2671 [inline]
 usbdev_ioctl+0x692/0x36c0 drivers/usb/core/devio.c:2791
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff88801c6ee8c0
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
 8-byte region [ffff88801c6ee8c0, ffff88801c6ee8c8)
The buggy address belongs to the page:
page:ffffea000071bb80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c6ee
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000001 ffff888010c41280
raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 8529285393, free_ts 8527233590
 prep_new_page mm/page_alloc.c:2433 [inline]
 get_page_from_freelist+0xa72/0x2f40 mm/page_alloc.c:4164
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5376
 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2037
 alloc_pages+0x29f/0x300 mm/mempolicy.c:2187
 alloc_slab_page mm/slub.c:1793 [inline]
 allocate_slab mm/slub.c:1930 [inline]
 new_slab+0x261/0x460 mm/slub.c:1993
 ___slab_alloc+0x798/0xf30 mm/slub.c:3022
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3109
 slab_alloc_node mm/slub.c:3200 [inline]
 slab_alloc mm/slub.c:3242 [inline]
 __kmalloc_track_caller+0x2e7/0x320 mm/slub.c:4925
 kstrdup+0x36/0x70 mm/util.c:60
 kstrdup_const+0x53/0x80 mm/util.c:83
 __kernfs_new_node+0x9d/0x8b0 fs/kernfs/dir.c:581
 kernfs_new_node+0x93/0x120 fs/kernfs/dir.c:647
 kernfs_create_link+0xcb/0x230 fs/kernfs/symlink.c:39
 sysfs_do_create_link_sd+0x90/0x140 fs/sysfs/symlink.c:44
 sysfs_do_create_link fs/sysfs/symlink.c:80 [inline]
 sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:92
 device_create_sys_dev_entry drivers/base/core.c:3219 [inline]
 device_add+0x101c/0x1ee0 drivers/base/core.c:3361
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1351 [inline]
 free_pcp_prepare+0x414/0xb60 mm/page_alloc.c:1403
 free_unref_page_prepare mm/page_alloc.c:3324 [inline]
 free_unref_page+0x19/0x690 mm/page_alloc.c:3403
 __vunmap+0x781/0xb70 mm/vmalloc.c:2632
 free_work+0x58/0x70 mm/vmalloc.c:95
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2299
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2446
 kthread+0x405/0x4f0 kernel/kthread.c:345
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Memory state around the buggy address:
 ffff88801c6ee780: 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00
 ffff88801c6ee800: fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc
>ffff88801c6ee880: fc fc fc 00 fc fc fc fc 01 fc fc fc fc 00 fc fc
                                           ^
 ffff88801c6ee900: fc fc 00 fc fc fc fc fa fc fc fc fc 00 fc fc fc
 ffff88801c6ee980: fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc
==================================================================
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	75 0d                	jne    0x17
   a:	48 8b 3b             	mov    (%rbx),%rdi
   d:	48 89 ee             	mov    %rbp,%rsi
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9 af dc 0f 00       	jmpq   0xfdcc6
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 b7 96 b5 00       	callq  0xb596d6
  1f:	eb e9                	jmp    0xa
  21:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
* 26:	41 55                	push   %r13 <-- trapping instruction
  28:	49 89 d5             	mov    %rdx,%r13
  2b:	41 54                	push   %r12
  2d:	49 89 f4             	mov    %rsi,%r12
  30:	55                   	push   %rbp
  31:	48 89 fd             	mov    %rdi,%rbp
  34:	53                   	push   %rbx
  35:	89 cb                	mov    %ecx,%ebx
  37:	e8 9a 07 6b 00       	callq  0x6b07d6