usb 2-1: string descriptor 0 read error: -22 usb 2-1: New USB device found, idVendor=0ccd, idProduct=0099, bcdDevice=bd.95 usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 2-1: dvb_usb_v2: usb_bulk_msg() failed=-22 ===================================================== BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464 irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x82/0xa40 kernel/entry/common.c:167 sysvec_apic_timer_interrupt+0x52/0x90 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:674 dvb_usbv2_probe+0x978/0x60b0 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:948 usb_probe_interface+0xd87/0x1460 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4c9/0xe40 drivers/base/dd.c:706 __driver_probe_device+0x2d1/0x3d0 drivers/base/dd.c:868 driver_probe_device+0x70/0x8f0 drivers/base/dd.c:898 __device_attach_driver+0x54d/0x970 drivers/base/dd.c:1026 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:500 __device_attach+0x2e7/0x620 drivers/base/dd.c:1098 device_initial_probe+0x126/0x170 drivers/base/dd.c:1153 bus_probe_device+0x286/0x530 drivers/base/bus.c:620 device_add+0x1653/0x1cd0 drivers/base/core.c:3772 usb_set_configuration+0x34c9/0x3bd0 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0xfc/0x290 drivers/usb/core/generic.c:250 usb_probe_device+0x395/0x670 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4c9/0xe40 drivers/base/dd.c:706 __driver_probe_device+0x2d1/0x3d0 drivers/base/dd.c:868 driver_probe_device+0x70/0x8f0 drivers/base/dd.c:898 __device_attach_driver+0x54d/0x970 drivers/base/dd.c:1026 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:500 __device_attach+0x2e7/0x620 drivers/base/dd.c:1098 device_initial_probe+0x126/0x170 drivers/base/dd.c:1153 bus_probe_device+0x286/0x530 drivers/base/bus.c:620 device_add+0x1653/0x1cd0 drivers/base/core.c:3772 usb_new_device+0x104a/0x2110 drivers/usb/core/hub.c:2695 hub_port_connect drivers/usb/core/hub.c:5567 [inline] hub_port_connect_change drivers/usb/core/hub.c:5707 [inline] port_event drivers/usb/core/hub.c:5871 [inline] hub_event+0x55f9/0x7580 drivers/usb/core/hub.c:5953 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xb57/0x1e00 kernel/workqueue.c:3405 worker_thread+0xee0/0x1580 kernel/workqueue.c:3486 kthread+0x54f/0x610 kernel/kthread.c:436 ret_from_fork+0x20f/0x8e0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Local variable reply created at: af9015_identify_state+0x3d/0x1b0 drivers/media/usb/dvb-usb-v2/af9015.c:272 dvb_usbv2_probe+0x975/0x60b0 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:948 CPU: 1 UID: 0 PID: 11560 Comm: kworker/1:5 Tainted: G W syzkaller #0 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: usb_hub_wq hub_event =====================================================