usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. ================================================================== BUG: KCSAN: data-race in data_push_tail / number write to 0xffffffff86ed86e9 of 1 bytes by task 4791 on cpu 0: number+0x5f0/0xa90 lib/vsprintf.c:551 vsnprintf+0xa44/0xe20 lib/vsprintf.c:2885 vscnprintf+0x42/0x80 lib/vsprintf.c:2925 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2124 vprintk_store+0x56f/0x800 kernel/printk/printk.c:2238 vprintk_emit+0xd0/0x5d0 kernel/printk/printk.c:2284 vprintk_default+0x26/0x30 kernel/printk/printk.c:2318 vprintk+0x71/0x80 kernel/printk/printk_safe.c:45 _printk+0x7a/0xa0 kernel/printk/printk.c:2328 vhci_hub_control+0xabb/0xdc0 drivers/usb/usbip/vhci_hcd.c:636 rh_call_control drivers/usb/core/hcd.c:658 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:823 [inline] usb_hcd_submit_urb+0xca2/0x14c0 drivers/usb/core/hcd.c:1531 usb_submit_urb+0xb02/0xbb0 drivers/usb/core/urb.c:581 usbfs_start_wait_urb+0x97/0x1c0 drivers/usb/core/devio.c:1146 do_proc_control+0x617/0x840 drivers/usb/core/devio.c:1246 proc_control drivers/usb/core/devio.c:1277 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2643 [inline] usbdev_ioctl+0x1bb9/0x3e00 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xcf/0x140 fs/ioctl.c:857 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffffffff86ed86e8 of 8 bytes by task 4788 on cpu 1: data_make_reusable kernel/printk/printk_ringbuffer.c:590 [inline] data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:675 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1046 prb_reserve+0x893/0xbc0 kernel/printk/printk_ringbuffer.c:1555 vprintk_store+0x53e/0x800 kernel/printk/printk.c:2228 vprintk_emit+0xd0/0x5d0 kernel/printk/printk.c:2284 dev_vprintk_emit+0x1df/0x210 drivers/base/core.c:4850 dev_printk_emit+0x82/0xb0 drivers/base/core.c:4861 __dev_printk+0xf6/0x100 drivers/base/core.c:4873 _dev_warn+0x99/0xc0 drivers/base/core.c:4917 proc_do_submiturb+0x1c7c/0x1db0 drivers/usb/core/devio.c:1887 proc_submiturb_compat drivers/usb/core/devio.c:2206 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2730 [inline] usbdev_ioctl+0x21af/0x3e00 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xcf/0x140 fs/ioctl.c:857 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00000001000015a7 -> 0x0000000100001569 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4788 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-00010-g2cf4f94d8e86 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ================================================================== usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK.