asix 1-1:0.105 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 asix 1-1:0.105 (unnamed net_device) (uninitialized): Failed to write RX_CTL mode to 0x0088: ffffffb9 asix: probe of 1-1:0.105 failed with error -71 ================================================================== BUG: KMSAN: uninit-value in kcov_remote_area_get kernel/kcov.c:127 [inline] BUG: KMSAN: uninit-value in kcov_remote_start+0xfe/0x2a0 kernel/kcov.c:713 CPU: 1 PID: 4891 Comm: kworker/1:2 Not tainted 5.3.0-rc7+ #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+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x162/0x2d0 mm/kmsan/kmsan_report.c:109 kmsan_internal_check_memory+0x3ce/0x4e0 mm/kmsan/kmsan.c:469 kmsan_check_memory+0xd/0x10 mm/kmsan/kmsan_hooks.c:304 kcov_remote_area_get kernel/kcov.c:127 [inline] kcov_remote_start+0xfe/0x2a0 kernel/kcov.c:713 hub_event+0x159/0x72f0 drivers/usb/core/hub.c:5377 process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x189c/0x2460 kernel/workqueue.c:2417 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Uninit was created at: kmsan_save_stack_with_flags+0x37/0x70 mm/kmsan/kmsan.c:174 kmsan_internal_alloc_meta_for_pages mm/kmsan/kmsan_shadow.c:349 [inline] kmsan_alloc_page+0x151/0x360 mm/kmsan/kmsan_shadow.c:384 __alloc_pages_nodemask+0x142d/0x5fa0 mm/page_alloc.c:4757 alloc_pages_current+0x68d/0x9a0 mm/mempolicy.c:2153 alloc_pages include/linux/gfp.h:511 [inline] __vmalloc_area_node mm/vmalloc.c:2443 [inline] __vmalloc_node_range+0x82c/0x14b0 mm/vmalloc.c:2507 __vmalloc_node mm/vmalloc.c:2562 [inline] __vmalloc_node_flags mm/vmalloc.c:2576 [inline] vmalloc+0xd7/0xf0 mm/vmalloc.c:2601 kcov_remote_start+0x167/0x2a0 kernel/kcov.c:719 hub_event+0x159/0x72f0 drivers/usb/core/hub.c:5377 process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Bytes 0-15 of 16 are uninitialized Memory access of size 16 starts at ffffc90010398000 ==================================================================