hid-u2fzero 0003:20A0:4287.0002: item fetching failed at offset 3/5 hid-u2fzero 0003:20A0:4287.0002: probe with driver hid-u2fzero failed with error -22 1024-page vmalloc region starting at 0xffffc9000db42000 allocated at kcov_ioctl+0x58/0x650 kernel/kcov.c:716 list_add corruption. next->prev should be prev (ffffffff8d5fda40), but wa[ 467.641301][ T5871] list_add corruption. next->prev should be prev (ffffffff8d5fda40), but was 0000000000000000. (next=ffffc9000db42000). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:31! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 5871 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_add_valid_or_report+0xf4/0x130 lib/list_debug.c:29 Code: c3 7d fd 42 80 7c 2d 00 00 74 08 4c 89 e7 e8 43 c3 9d fd 48 8b 53 08 48 c7 c7 20 df 3d 8b 4c 89 f6 48 89 d9 e8 bd 87 a4 fc 90 <0f> 0b 4c 89 f7 e8 e2 c2 7d fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 13 RSP: 0018:ffffc90004f176f0 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffffc9000db42000 RCX: 75b326da0db8ab00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff92001b68401 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed101710487b R12: ffffc9000db42008 R13: dffffc0000000000 R14: ffffffff8d5fda40 R15: ffffc9001a78c000 FS: 0000000000000000(0000) GS:ffff888126df9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe6712ecb8 CR3: 0000000034fea000 CR4: 00000000003526f0 Call Trace: __list_add_valid include/linux/list.h:96 [inline] __list_add include/linux/list.h:158 [inline] list_add include/linux/list.h:177 [inline] kcov_remote_area_put kernel/kcov.c:156 [inline] kcov_remote_stop+0x52d/0x660 kernel/kcov.c:1060 hub_event+0x45d2/0x4a20 drivers/usb/core/hub.c:5997 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report+0xf4/0x130 lib/list_debug.c:29 Code: c3 7d fd 42 80 7c 2d 00 00 74 08 4c 89 e7 e8 43 c3 9d fd 48 8b 53 08 48 c7 c7 20 df 3d 8b 4c 89 f6 48 89 d9 e8 bd 87 a4 fc 90 <0f> 0b 4c 89 f7 e8 e2 c2 7d fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 13 RSP: 0018:ffffc90004f176f0 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffffc9000db42000 RCX: 75b326da0db8ab00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff92001b68401 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed101710487b R12: ffffc9000db42008 R13: dffffc0000000000 R14: ffffffff8d5fda40 R15: ffffc9001a78c000 FS: 0000000000000000(0000) GS:ffff888126df9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe6712ecb8 CR3: 000000002ff46000 CR4: 00000000003526f0