1024-page vmalloc region starting at 0xffffc90007bd1000 allocated at kcov_ioctl+0x58/0x650 kernel/kcov.c:736
list_add corruption. next->prev should be prev (ffffffff8e020e80), but was 0000000000000000. (next=ffffc90007bd2000).
list_add corruption. next->prev should be prev (ffffffff8e020e80), but was 0000000000000000. (next=ffffc90007bd2000).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:31!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5743 Comm: kworker/1:5 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_add_valid_or_report+0xf4/0x130 lib/list_debug.c:29
Code: 7f 5a fd 42 80 7c 2d 00 00 74 08 4c 89 e7 e8 93 de 7a fd 48 8b 53 08 48 c7 c7 60 45 a9 8b 4c 89 f6 48 89 d9 e8 1d a8 73 fc 90 <0f> 0b 4c 89 f7 e8 42 7f 5a fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 63
RSP: 0018:ffffc90004f27790 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffffc90007bd2000 RCX: dfbf7a3c2d97ab00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff92000f7a401 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124903 R12: ffffc90007bd2008
R13: dffffc0000000000 R14: ffffffff8e020e80 R15: ffffc9001ae12000
FS:  0000000000000000(0000) GS:ffff888126211000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c453630 CR3: 0000000037e60000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __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+0x457/0x680 kernel/kcov.c:1084
 hub_event+0x4789/0x4cf0 drivers/usb/core/hub.c:5998
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xf4/0x130 lib/list_debug.c:29
Code: 7f 5a fd 42 80 7c 2d 00 00 74 08 4c 89 e7 e8 93 de 7a fd 48 8b 53 08 48 c7 c7 60 45 a9 8b 4c 89 f6 48 89 d9 e8 1d a8 73 fc 90 <0f> 0b 4c 89 f7 e8 42 7f 5a fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 63
RSP: 0018:ffffc90004f27790 EFLAGS: 00010246
RAX: 0000000000000075 RBX: ffffc90007bd2000 RCX: dfbf7a3c2d97ab00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff92000f7a401 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124903 R12: ffffc90007bd2008
R13: dffffc0000000000 R14: ffffffff8e020e80 R15: ffffc9001ae12000
FS:  0000000000000000(0000) GS:ffff888126211000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c453630 CR3: 0000000037e60000 CR4: 00000000003526f0