================================================================== BUG: KCSAN: data-race in usbdev_ioctl / usbdev_ioctl write to 0xffff8881023c2130 of 8 bytes by task 16219 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1566 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2815 [inline] usbdev_ioctl+0x6c2/0x3e10 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0xd3/0x150 fs/ioctl.c:890 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:890 x64_sys_call+0x155d/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff8881023c2130 of 8 bytes by task 16221 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1566 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2815 [inline] usbdev_ioctl+0x6c2/0x3e10 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0xd3/0x150 fs/ioctl.c:890 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:890 x64_sys_call+0x155d/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000029242349 -> 0x000000002be454ba Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16221 Comm: syz-executor.3 Tainted: G W 6.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================