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BUG: KMSAN: uninit-value in __list_del_entry_valid+0x197/0x410 lib/list_debug.c:45
CPU: 0 PID: 2462 Comm: kworker/0:2 Not tainted 5.1.0-rc7+ #4
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+0x130/0x2a0 mm/kmsan/kmsan.c:619
 __msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:310
 __list_del_entry_valid+0x197/0x410 lib/list_debug.c:45
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 kcov_remote_area_get kernel/kcov.c:117 [inline]
 kcov_remote_start+0xf9/0x270 kernel/kcov.c:684
 hub_event+0x156/0x7290 drivers/usb/core/hub.c:5368
 process_one_work+0x1572/0x1f00 kernel/workqueue.c:2269
 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
 kthread+0x4b5/0x4f0 kernel/kthread.c:254
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Uninit was created at:
 kmsan_save_stack_with_flags+0x7a/0x130 mm/kmsan/kmsan.c:205
 kmsan_internal_alloc_meta_for_pages+0x10f/0x500 mm/kmsan/kmsan_hooks.c:99
 kmsan_alloc_page+0x7a/0xf0 mm/kmsan/kmsan_hooks.c:243
 __alloc_pages_nodemask+0x143d/0x5e90 mm/page_alloc.c:4655
 alloc_pages_current+0x6a0/0x9b0 mm/mempolicy.c:2132
 alloc_pages include/linux/gfp.h:511 [inline]
 __vmalloc_area_node mm/vmalloc.c:1727 [inline]
 __vmalloc_node_range+0x8b3/0x1450 mm/vmalloc.c:1790
 __vmalloc_node mm/vmalloc.c:1845 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1859 [inline]
 vmalloc+0xd7/0xf0 mm/vmalloc.c:1884
 kcov_remote_start+0x15c/0x270 kernel/kcov.c:688
 hub_event+0x156/0x7290 drivers/usb/core/hub.c:5368
 process_one_work+0x1572/0x1f00 kernel/workqueue.c:2269
 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415
 kthread+0x4b5/0x4f0 kernel/kthread.c:254
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
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