vhci_hcd: invalid port number 153
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BUG: KASAN: slab-out-of-bounds in vhci_hub_control+0x1b6d/0x1be0 drivers/usb/usbip/vhci_hcd.c:441
Read of size 4 at addr ffff8801cdb6c0dc by task syz-executor0/11704

CPU: 0 PID: 11704 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #44
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 print_address_description.cold.8+0x9/0x1ff mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.9+0x242/0x309 mm/kasan/report.c:412
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432
 vhci_hub_control+0x1b6d/0x1be0 drivers/usb/usbip/vhci_hcd.c:441
 rh_call_control drivers/usb/core/hcd.c:679 [inline]
 rh_urb_enqueue drivers/usb/core/hcd.c:838 [inline]
 usb_hcd_submit_urb+0x17bb/0x20a0 drivers/usb/core/hcd.c:1651
 usb_submit_urb+0x893/0x14e0 drivers/usb/core/urb.c:570
 usb_start_wait_urb+0x13d/0x370 drivers/usb/core/message.c:57
 usb_internal_control_msg drivers/usb/core/message.c:101 [inline]
 usb_control_msg+0x332/0x4e0 drivers/usb/core/message.c:152
 proc_control+0x99b/0xef0 drivers/usb/core/devio.c:1106
 usbdev_do_ioctl+0x1eb8/0x3b50 drivers/usb/core/devio.c:2412
 usbdev_ioctl+0x25/0x30 drivers/usb/core/devio.c:2569
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa1b8f16c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579
RDX: 0000000020000080 RSI: 00000000c0185500 RDI: 0000000000000003
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa1b8f176d4
R13: 00000000004bf6c0 R14: 00000000004cf598 R15: 00000000ffffffff

Allocated by task 1:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x14e/0x760 mm/slab.c:3727
 kmalloc include/linux/slab.h:518 [inline]
 usb_cache_string+0xa7/0x110 drivers/usb/core/message.c:878
 usb_enumerate_device drivers/usb/core/hub.c:2329 [inline]
 usb_new_device+0x1e6/0x1a40 drivers/usb/core/hub.c:2454
 register_root_hub drivers/usb/core/hcd.c:1105 [inline]
 usb_add_hcd+0xb1f/0x1910 drivers/usb/core/hcd.c:2882
 vhci_hcd_probe+0x174/0x240 drivers/usb/usbip/vhci_hcd.c:1330
 platform_drv_probe+0x96/0x160 drivers/base/platform.c:579
 really_probe+0x5be/0x850 drivers/base/dd.c:500
 driver_probe_device+0x108/0x210 drivers/base/dd.c:662
 __device_attach_driver+0x25a/0x2d0 drivers/base/dd.c:758
 bus_for_each_drv+0x16b/0x1f0 drivers/base/bus.c:461
 __device_attach+0x2a1/0x430 drivers/base/dd.c:815
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:862
 bus_probe_device+0x1fb/0x2a0 drivers/base/bus.c:521
 device_add+0x93e/0x17b0 drivers/base/core.c:1927
 platform_device_add+0x36e/0x6f0 drivers/base/platform.c:417
 vhci_hcd_init+0x386/0x4e0 drivers/usb/usbip/vhci_hcd.c:1500
 do_one_initcall+0x145/0x957 init/main.c:885
 do_initcall_level init/main.c:953 [inline]
 do_initcalls init/main.c:961 [inline]
 do_basic_setup init/main.c:979 [inline]
 kernel_init_freeable+0x4bb/0x5ae init/main.c:1144
 kernel_init+0x11/0x1b2 init/main.c:1063
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413

Freed by task 0:
(stack is not available)

The buggy address belongs to the object at ffff8801cdb6c0c0
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 28 bytes inside of
 32-byte region [ffff8801cdb6c0c0, ffff8801cdb6c0e0)
The buggy address belongs to the page:
page:ffffea000736db00 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff8801cdb6cfc1
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffffea0007367888 ffffea000736dd08 ffff8801da8001c0
raw: ffff8801cdb6cfc1 ffff8801cdb6c000 000000010000003f 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801cdb6bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801cdb6c000: 06 fc fc fc fc fc fc fc 00 03 fc fc fc fc fc fc
>ffff8801cdb6c080: 05 fc fc fc fc fc fc fc 00 00 00 03 fc fc fc fc
                                                    ^
 ffff8801cdb6c100: 05 fc fc fc fc fc fc fc 00 00 00 07 fc fc fc fc
 ffff8801cdb6c180: 05 fc fc fc fc fc fc fc 05 fc fc fc fc fc fc fc
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