Bluetooth: hci4: command 0x0405 tx timeout
 non-paged memory
list_del corruption, ffff88802ebc7700->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:58!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5158 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: hci4 hci_conn_timeout
RIP: 0010:__list_del_entry_valid_or_report+0x10e/0x190 lib/list_debug.c:56
Code: 60 c8 9e 8b 48 89 de e8 d0 95 99 fc 90 0f 0b 4c 89 e7 e8 55 29 74 fd 48 c7 c7 c0 c8 9e 8b 48 89 de 4c 89 e2 e8 b3 95 99 fc 90 <0f> 0b 4c 89 e7 e8 38 29 74 fd 48 c7 c7 20 c9 9e 8b 48 89 de 4c 89
RSP: 0018:ffffc9000ecaf980 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffff88802ebc7700 RCX: 78e12ccac1b07700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8a488600 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1b7a118 R12: dead000000000100
R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff88812649b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c361e4c CR3: 0000000027ba2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_del include/linux/list.h:229 [inline]
 _hci_cmd_sync_cancel_entry net/bluetooth/hci_sync.c:647 [inline]
 hci_cmd_sync_cancel_entry net/bluetooth/hci_sync.c:851 [inline]
 hci_cmd_sync_dequeue_once+0x24a/0x370 net/bluetooth/hci_sync.c:870
 hci_cancel_connect_sync+0xc8/0x120 net/bluetooth/hci_sync.c:-1
 hci_abort_conn+0x191/0x330 net/bluetooth/hci_conn.c:2961
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x436/0x7d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x10e/0x190 lib/list_debug.c:56
Code: 60 c8 9e 8b 48 89 de e8 d0 95 99 fc 90 0f 0b 4c 89 e7 e8 55 29 74 fd 48 c7 c7 c0 c8 9e 8b 48 89 de 4c 89 e2 e8 b3 95 99 fc 90 <0f> 0b 4c 89 e7 e8 38 29 74 fd 48 c7 c7 20 c9 9e 8b 48 89 de 4c 89
RSP: 0018:ffffc9000ecaf980 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffff88802ebc7700 RCX: 78e12ccac1b07700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8a488600 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1b7a118 R12: dead000000000100
R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff88812649b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c361e4c CR3: 0000000027ba2000 CR4: 00000000003526f0