================================================================== BUG: KCSAN: data-race in usbdev_ioctl / usbdev_ioctl write to 0xffff8881022683d8 of 4 bytes by task 18603 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1570 [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:907 [inline] __se_sys_ioctl+0xd3/0x150 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x15cc/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff8881022683d8 of 4 bytes by task 18617 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1570 [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:907 [inline] __se_sys_ioctl+0xd3/0x150 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x15cc/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x2946e39d -> 0x2ea42e1f Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 18617 Comm: syz.3.4513 Not tainted 6.11.0-rc6-syzkaller-00308-gb31c44928842 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================