usb 6-1: config 0 descriptor??
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BUG: KMSAN: uninit-value in kalmia_send_init_packet+0x56f/0x5f0 drivers/net/usb/kalmia.c:67
 kalmia_send_init_packet+0x56f/0x5f0 drivers/net/usb/kalmia.c:67
 kalmia_init_and_get_ethernet_addr drivers/net/usb/kalmia.c:113 [inline]
 kalmia_bind+0x314/0x610 drivers/net/usb/kalmia.c:148
 usbnet_probe+0x10a2/0x3f30 drivers/net/usb/usbnet.c:1740
 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396
 really_probe+0x506/0x1000 drivers/base/dd.c:639
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:778
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:808
 __device_attach_driver+0x548/0x8e0 drivers/base/dd.c:936
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:1008
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1057
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3517
 usb_set_configuration+0x30f8/0x37e0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x105/0x290 drivers/usb/core/generic.c:238
 usb_probe_device+0x288/0x490 drivers/usb/core/driver.c:293
 really_probe+0x506/0x1000 drivers/base/dd.c:639
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:778
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:808
 __device_attach_driver+0x548/0x8e0 drivers/base/dd.c:936
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:1008
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1057
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3517
 usb_new_device+0x17ac/0x2370 drivers/usb/core/hub.c:2573
 hub_port_connect drivers/usb/core/hub.c:5353 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5653 [inline]
 hub_event+0x5589/0x8080 drivers/usb/core/hub.c:5735
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Local variable act_len created at:
 kalmia_send_init_packet+0x4e/0x5f0 drivers/net/usb/kalmia.c:64
 kalmia_init_and_get_ethernet_addr drivers/net/usb/kalmia.c:113 [inline]
 kalmia_bind+0x314/0x610 drivers/net/usb/kalmia.c:148

CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 6.0.0-rc5-syzkaller-48538-g8f4ae27df775 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: usb_hub_wq hub_event
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