usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? ===================================================== BUG: KMSAN: uninit-value in batadv_check_known_mac_addr net/batman-adv/hard-interface.c:512 [inline] BUG: KMSAN: uninit-value in batadv_hardif_add_interface net/batman-adv/hard-interface.c:946 [inline] BUG: KMSAN: uninit-value in batadv_hard_if_event+0x28ee/0x3c10 net/batman-adv/hard-interface.c:1036 CPU: 0 PID: 8482 Comm: kworker/0:0 Not tainted 5.9.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x21c/0x280 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:122 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:201 batadv_check_known_mac_addr net/batman-adv/hard-interface.c:512 [inline] batadv_hardif_add_interface net/batman-adv/hard-interface.c:946 [inline] batadv_hard_if_event+0x28ee/0x3c10 net/batman-adv/hard-interface.c:1036 notifier_call_chain kernel/notifier.c:83 [inline] __raw_notifier_call_chain kernel/notifier.c:361 [inline] raw_notifier_call_chain+0x123/0x2a0 kernel/notifier.c:368 call_netdevice_notifiers_info net/core/dev.c:2033 [inline] call_netdevice_notifiers_extack net/core/dev.c:2045 [inline] call_netdevice_notifiers net/core/dev.c:2059 [inline] register_netdevice+0x30b8/0x3770 net/core/dev.c:9861 register_netdev+0xbe/0x100 net/core/dev.c:9961 rtl8150_probe+0x1219/0x1500 drivers/net/usb/rtl8150.c:916 usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396 really_probe+0xebd/0x2420 drivers/base/dd.c:557 driver_probe_device+0x293/0x390 drivers/base/dd.c:738 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:844 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431 __device_attach+0x538/0x860 drivers/base/dd.c:912 device_initial_probe+0x4a/0x60 drivers/base/dd.c:959 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491 device_add+0x399e/0x3f20 drivers/base/core.c:2926 usb_set_configuration+0x395f/0x3f90 drivers/usb/core/message.c:2025 usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:240 usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293 really_probe+0xebd/0x2420 drivers/base/dd.c:557 driver_probe_device+0x293/0x390 drivers/base/dd.c:738 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:844 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431 __device_attach+0x538/0x860 drivers/base/dd.c:912 device_initial_probe+0x4a/0x60 drivers/base/dd.c:959 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491 device_add+0x399e/0x3f20 drivers/base/core.c:2926 usb_new_device+0x1bd6/0x2a30 drivers/usb/core/hub.c:2554 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5348 [inline] port_event drivers/usb/core/hub.c:5494 [inline] hub_event+0x59b1/0x8640 drivers/usb/core/hub.c:5576 process_one_work+0x1224/0x20a0 kernel/workqueue.c:2269 worker_thread+0x10cc/0x2740 kernel/workqueue.c:2415 kthread+0x51c/0x560 kernel/kthread.c:293 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:129 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:297 kmsan_memcpy_memmove_metadata+0x25e/0x2d0 mm/kmsan/kmsan.c:234 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:254 __msan_memcpy+0x46/0x60 mm/kmsan/kmsan_instr.c:114 set_ethernet_addr drivers/net/usb/rtl8150.c:282 [inline] rtl8150_probe+0x1174/0x1500 drivers/net/usb/rtl8150.c:912 usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396 really_probe+0xebd/0x2420 drivers/base/dd.c:557 driver_probe_device+0x293/0x390 drivers/base/dd.c:738 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:844 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431 __device_attach+0x538/0x860 drivers/base/dd.c:912 device_initial_probe+0x4a/0x60 drivers/base/dd.c:959 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491 device_add+0x399e/0x3f20 drivers/base/core.c:2926 usb_set_configuration+0x395f/0x3f90 drivers/usb/core/message.c:2025 usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:240 usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293 really_probe+0xebd/0x2420 drivers/base/dd.c:557 driver_probe_device+0x293/0x390 drivers/base/dd.c:738 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:844 bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431 __device_attach+0x538/0x860 drivers/base/dd.c:912 device_initial_probe+0x4a/0x60 drivers/base/dd.c:959 bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491 device_add+0x399e/0x3f20 drivers/base/core.c:2926 usb_new_device+0x1bd6/0x2a30 drivers/usb/core/hub.c:2554 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5348 [inline] port_event drivers/usb/core/hub.c:5494 [inline] hub_event+0x59b1/0x8640 drivers/usb/core/hub.c:5576 process_one_work+0x1224/0x20a0 kernel/workqueue.c:2269 worker_thread+0x10cc/0x2740 kernel/workqueue.c:2415 kthread+0x51c/0x560 kernel/kthread.c:293 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----node_id.i@rtl8150_probe created at: set_ethernet_addr drivers/net/usb/rtl8150.c:279 [inline] rtl8150_probe+0xe1a/0x1500 drivers/net/usb/rtl8150.c:912 set_ethernet_addr drivers/net/usb/rtl8150.c:279 [inline] rtl8150_probe+0xe1a/0x1500 drivers/net/usb/rtl8150.c:912 =====================================================