 non-paged memory
list_del corruption, ffff88804193f200->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:58!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5841 Comm: kworker/u11:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: hci2 hci_conn_timeout
RIP: 0010:__list_del_entry_valid_or_report+0x10e/0x190
Code: 00 3a e3 8b 48 89 de e8 d0 79 57 fc 90 0f 0b 4c 89 e7 e8 f5 ff 31 fd 48 c7 c7 60 3a e3 8b 48 89 de 4c 89 e2 e8 b3 79 57 fc 90 <0f> 0b 4c 89 e7 e8 d8 ff 31 fd 48 c7 c7 c0 3a e3 8b 48 89 de 4c 89
RSP: 0018:ffffc900041bf980 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffff88804193f200 RCX: 89ef385e6ef0b700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8a877070 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: dead000000000100
R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000123ea0000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 hci_cmd_sync_dequeue_once+0x24a/0x370
 hci_cancel_connect_sync+0xc8/0x120
 hci_abort_conn+0x191/0x330
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x10e/0x190
Code: 00 3a e3 8b 48 89 de e8 d0 79 57 fc 90 0f 0b 4c 89 e7 e8 f5 ff 31 fd 48 c7 c7 60 3a e3 8b 48 89 de 4c 89 e2 e8 b3 79 57 fc 90 <0f> 0b 4c 89 e7 e8 d8 ff 31 fd 48 c7 c7 c0 3a e3 8b 48 89 de 4c 89
RSP: 0018:ffffc900041bf980 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffff88804193f200 RCX: 89ef385e6ef0b700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8a877070 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: dead000000000100
R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005620aff77280 CR3: 000000000df36000 CR4: 00000000000006f0
