Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts.
syzkaller login: [   36.727665] IPVS: ftp: loaded support on port[0] = 21
executing program
[   36.820297] list_del corruption. prev->next should be ffff8880b30c45e0, but was ffff8880b3fa5cf8
[   36.829629] ------------[ cut here ]------------
[   36.834386] kernel BUG at lib/list_debug.c:51!
[   36.840287] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   36.845668] Modules linked in:
[   36.848889] CPU: 1 PID: 7986 Comm: syz-executor139 Not tainted 4.14.294-syzkaller #0
[   36.856758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   36.866339] task: ffff8880b47bc000 task.stack: ffff8880b36e0000
[   36.872386] RIP: 0010:__list_del_entry_valid.cold+0xf/0x4a
[   36.877982] RSP: 0018:ffff8880b36e7a30 EFLAGS: 00010282
[   36.883325] RAX: 0000000000000054 RBX: ffff8880b3fa5cc1 RCX: 0000000000000000
[   36.890601] RDX: 0000000000000000 RSI: ffffffff878bc9e0 RDI: ffffed10166dcf3c
[   36.897852] RBP: ffff8880b30c45e0 R08: 0000000000000054 R09: 0000000000000000
[   36.905106] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b3d16260
[   36.912366] R13: ffff8880b3d16260 R14: ffff8880b3130880 R15: 0000000000000000
[   36.920099] FS:  00005555562e1300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   36.928311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.934202] CR2: 0000561a5057a8f0 CR3: 000000009b47c000 CR4: 00000000003406e0
[   36.941675] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   36.948927] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   36.956288] Call Trace:
[   36.958864]  klist_dec_and_del+0x7b/0x460
[   36.963014]  ? __device_link_free_srcu+0xa0/0xa0
[   36.967760]  klist_put+0x71/0x140
[   36.971214]  device_del+0x12d/0xa80
[   36.974857]  ? klist_iter_exit+0xc/0x80
[   36.978831]  ? device_find_child+0x107/0x140
[   36.983236]  ? __device_links_no_driver+0x1b0/0x1b0
[   36.988240]  hci_conn_del_sysfs+0xca/0x160
[   36.992486]  hci_conn_cleanup+0x216/0x500
[   36.996629]  hci_conn_del+0x253/0x6f0
[   37.000499]  hci_conn_hash_flush+0x19c/0x260
[   37.004910]  hci_dev_do_close+0x57d/0xd80
[   37.009046]  ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0
[   37.015706]  ? vhci_close_dev+0x50/0x50
[   37.019660]  hci_unregister_dev+0x143/0x420
[   37.024066]  vhci_release+0x70/0xe0
[   37.027675]  __fput+0x25f/0x7a0
[   37.030939]  task_work_run+0x11f/0x190
[   37.034802]  do_exit+0xa44/0x2850
[   37.038254]  ? __do_page_fault+0x571/0xad0
[   37.042674]  ? mm_update_next_owner+0x5b0/0x5b0
[   37.047345]  ? lock_downgrade+0x740/0x740
[   37.051499]  do_group_exit+0x100/0x2e0
[   37.055485]  SyS_exit_group+0x19/0x20
[   37.059398]  ? do_group_exit+0x2e0/0x2e0
[   37.063490]  do_syscall_64+0x1d5/0x640
[   37.067375]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   37.072552] RIP: 0033:0x7efc13b61519
[   37.076240] RSP: 002b:00007fff5aab9338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   37.083931] RAX: ffffffffffffffda RBX: 00007efc13beb390 RCX: 00007efc13b61519
[   37.091440] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   37.098685] RBP: 0000000000000001 R08: ffffffffffffffb8 R09: 00007fff5aab8e00
[   37.105950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efc13beb390
[   37.113470] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   37.120953] Code: 87 e8 9f f0 f7 ff 0f 0b 48 89 f1 48 c7 c7 00 08 cd 87 4c 89 e6 e8 8b f0 f7 ff 0f 0b 48 89 ee 48 c7 c7 a0 09 cd 87 e8 7a f0 f7 ff <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 e0 08 cd 87 e8 66 f0 f7 ff 0f 
[   37.140361] RIP: __list_del_entry_valid.cold+0xf/0x4a RSP: ffff8880b36e7a30
[   37.147752] ---[ end trace 70f8daa3f3df67a1 ]---
[   37.152506] Kernel panic - not syncing: Fatal exception
[   37.158129] Kernel Offset: disabled
[   37.161815] Rebooting in 86400 seconds..