vhci_hcd: invalid port number 96 vhci_hcd: default hub control req: 0000 vfffc i0060 l0 ================================================================== BUG: KCSAN: data-race in usbdev_ioctl / usbdev_ioctl write to 0xffff888102467df8 of 4 bytes by task 12571 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1684 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2818 [inline] usbdev_ioctl+0x5ff/0x1710 drivers/usb/core/devio.c:2827 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xce/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x19a8/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff888102467df8 of 4 bytes by task 12572 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1684 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2818 [inline] usbdev_ioctl+0x5ff/0x1710 drivers/usb/core/devio.c:2827 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xce/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x19a8/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x23d51167 -> 0x1da462e1 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 12572 Comm: syz.4.3341 Not tainted 6.16.0-rc3-syzkaller-00072-gee88bddf7f2f #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 ==================================================================