list_del corruption, ffff888033cdb480->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:58!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5852 Comm: kworker/u9:8 Not tainted 6.13.0-rc3-next-20241219-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: hci4 hci_conn_timeout
RIP: 0010:__list_del_entry_valid_or_report+0xf4/0x140 lib/list_debug.c:56
Code: e8 61 16 3b fc 90 0f 0b 48 c7 c7 60 ef 5f 8c 4c 89 fe e8 4f 16 3b fc 90 0f 0b 48 c7 c7 c0 ef 5f 8c 4c 89 fe e8 3d 16 3b fc 90 <0f> 0b 48 c7 c7 20 f0 5f 8c 4c 89 fe e8 2b 16 3b fc 90 0f 0b 48 c7
RSP: 0018:ffffc900040cfa30 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: bcc210b65aadaa00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888033cdb4a0 R08: ffffffff819ee5ec R09: 1ffff92000819ee0
R10: dffffc0000000000 R11: fffff52000819ee1 R12: dffffc0000000000
R13: ffff888033cdb480 R14: dead000000000100 R15: ffff888033cdb480
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c40c072 CR3: 000000007c21a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x262/0x360 net/bluetooth/hci_sync.c:870
 hci_cancel_connect_sync+0xc3/0x120
 hci_abort_conn+0x194/0x330 net/bluetooth/hci_conn.c:3057
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0xf4/0x140 lib/list_debug.c:56
Code: e8 61 16 3b fc 90 0f 0b 48 c7 c7 60 ef 5f 8c 4c 89 fe e8 4f 16 3b fc 90 0f 0b 48 c7 c7 c0 ef 5f 8c 4c 89 fe e8 3d 16 3b fc 90 <0f> 0b 48 c7 c7 20 f0 5f 8c 4c 89 fe e8 2b 16 3b fc 90 0f 0b 48 c7
RSP: 0018:ffffc900040cfa30 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: bcc210b65aadaa00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888033cdb4a0 R08: ffffffff819ee5ec R09: 1ffff92000819ee0
R10: dffffc0000000000 R11: fffff52000819ee1 R12: dffffc0000000000
R13: ffff888033cdb480 R14: dead000000000100 R15: ffff888033cdb480
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020032000 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400