list_del corruption. prev->next should be ffff0000c94b5468, but was ffff80000cefc421. (prev=ffff0000c5bf1068)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3064 Comm: kworker/u5:3 Not tainted 6.0.0-rc4-syzkaller-17186-g25050c56fa3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: hci3 hci_error_reset
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0xbc/0xd0 lib/list_debug.c:59
lr : __list_del_entry_valid+0xbc/0xd0 lib/list_debug.c:59
sp : ffff8000128e3b10
x29: ffff8000128e3b10 x28: ffff80000d2fb000 x27: ffff0000c963c225
x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000e041b000
x23: ffff0000dfed8000 x22: ffff800009a681d4 x21: ffff0000c0c04e01
x20: ffff0000c94b5460 x19: ffff0000c94b5478 x18: 00000000000000c0
x17: 20747562202c3836 x16: ffff80000dbb8658 x15: ffff0000dfed8000
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000dfed8000
x11: ff808000081c39d0 x10: 0000000000000000 x9 : 33be27c8f7735900
x8 : 33be27c8f7735900 x7 : ffff800008197c80 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000000000001 x0 : 000000000000006d
Call trace:
 __list_del_entry_valid+0xbc/0xd0 lib/list_debug.c:59
 generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline]
 wb_exit mm/backing-dev.c:360 [inline]
 release_bdi mm/backing-dev.c:967 [inline]
 kref_put+0x6c/0x224 include/linux/kref.h:65
 klist_dec_and_del lib/klist.c:206 [inline]
 klist_put lib/klist.c:217 [inline]
 klist_del+0x58/0xb0 lib/klist.c:230
 device_del+0x140/0x5bc drivers/base/core.c:3683
 hci_conn_del_sysfs+0xb0/0xfc net/bluetooth/hci_sysfs.c:78
 hci_conn_cleanup+0x2d4/0x36c net/bluetooth/hci_conn.c:147
 hci_conn_del+0x144/0x294 net/bluetooth/hci_conn.c:1022
 hci_conn_hash_flush+0xe8/0x148 net/bluetooth/hci_conn.c:2367
 hci_dev_close_sync+0x478/0x8e0 net/bluetooth/hci_sync.c:4476
 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
 hci_error_reset+0xac/0x154 net/bluetooth/hci_core.c:1050
 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
 worker_thread+0x340/0x610 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20
Code: f001b5e0 911b5000 aa0803e3 94a81606 (d4210000) 
---[ end trace 0000000000000000 ]---