syzbot

usb usb8: Requested nonsensical USBDEVFS_URB_ZERO_PACKET.
vhci_hcd: invalid port number 140
vhci_hcd: default hub control req: 8005 va7af i008c l238
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BUG: KCSAN: data-race in usbdev_ioctl / usbdev_ioctl

write to 0xffff888103a6d988 of 8 bytes by task 12713 on cpu 1:
 usbdev_do_ioctl drivers/usb/core/devio.c:2794 [inline]
 usbdev_ioctl+0x67e/0x3bb0 drivers/usb/core/devio.c:2803
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:856
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x50 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

write to 0xffff888103a6d988 of 8 bytes by task 12727 on cpu 0:
 usbdev_do_ioctl drivers/usb/core/devio.c:2794 [inline]
 usbdev_ioctl+0x67e/0x3bb0 drivers/usb/core/devio.c:2803
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:856
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x50 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0000000033f5ec60 -> 0x0000000035271960

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 12727 Comm: syz-executor.5 Not tainted 5.17.0-syzkaller-13673-ge8b767f5e040-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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