===================================================== BUG: KMSAN: uninit-value in check_pointer lib/vsprintf.c:705 [inline] BUG: KMSAN: uninit-value in string+0x3cf/0x6f0 lib/vsprintf.c:717 check_pointer lib/vsprintf.c:705 [inline] string+0x3cf/0x6f0 lib/vsprintf.c:717 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2795 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2135 vprintk_emit+0x25c/0x950 kernel/printk/printk.c:2229 dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604 dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615 __netdev_printk+0x7e9/0xae0 net/core/dev.c:10782 netdev_warn+0x1ea/0x22f net/core/dev.c:10835 asix_read_cmd+0x2a7/0x2c0 drivers/net/usb/asix_common.c:31 ax88772_bind+0xadf/0x1770 drivers/net/usb/asix_devices.c:726 usbnet_probe+0x1251/0x4160 drivers/net/usb/usbnet.c:1747 usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396 really_probe+0x653/0x14b0 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752 driver_probe_device drivers/base/dd.c:782 [inline] __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427 __device_attach+0x593/0x8e0 drivers/base/dd.c:970 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487 device_add+0x1fff/0x26e0 drivers/base/core.c:3405 usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238 usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293 really_probe+0x653/0x14b0 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752 driver_probe_device drivers/base/dd.c:782 [inline] __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427 __device_attach+0x593/0x8e0 drivers/base/dd.c:970 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487 device_add+0x1fff/0x26e0 drivers/base/core.c:3405 usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5660 [inline] hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742 process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307 worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454 kthread+0x3c7/0x500 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 Local variable tmp created at: number+0xad/0x23d0 lib/vsprintf.c:453 vsnprintf+0x1f0d/0x3650 lib/vsprintf.c:2861 CPU: 0 PID: 3547 Comm: kworker/0:3 Not tainted 5.17.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event =====================================================