usb usb9: Requested nonsensical USBDEVFS_URB_ZERO_PACKET. ================================================================== BUG: KCSAN: data-race in usbdev_ioctl / usbdev_ioctl write to 0xffff88810234f2c8 of 8 bytes by task 10877 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1557 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2815 [inline] usbdev_ioctl+0x6b5/0x3e10 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+0x1581/0x2d70 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 0xffff88810234f2c8 of 8 bytes by task 10870 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1557 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2815 [inline] usbdev_ioctl+0x6b5/0x3e10 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+0x1581/0x2d70 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: 0x000000006671c53e -> 0x000000006671c53f Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 10870 Comm: syz-executor.1 Not tainted 6.10.0-rc4-syzkaller-00035-g3d54351c64e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================