[  400.455558][T24089] BUG: unable to handle page fault for address: 0000000000003800
[  400.463509][T24089] #PF: supervisor read access in kernel mode
[  400.469461][T24089] #PF: error_code(0x0000) - not-present page
[  400.475418][T24089] PGD 10ae7a067 P4D 10ae7a067 PUD 10cde5067 PMD 0 
[  400.482074][T24089] Oops: 0000 [#1] PREEMPT SMP
[  400.486719][T24089] CPU: 1 PID: 24089 Comm: syz-executor.3 Not tainted 5.11.0-rc3-syzkaller #0
[  400.495439][T24089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.505495][T24089] RIP: 0010:__list_del_entry_valid+0x2d/0x50
[  400.511439][T24089] Code: 01 00 00 00 00 ad de 48 8b 07 48 8b 57 08 48 39 c8 0f 84 34 97 84 01 48 b9 22 01 00 00 00 00 ad de 48 39 ca 0f 84 57 97 84 01 <48> 8b 32 48 39 fe 0f 85 37 97 84 01 48 8b 50 08 48 39 f2 0f 85 1c
[  400.531011][T24089] RSP: 0018:ffffc90001a13bc0 EFLAGS: 00010217
[  400.537066][T24089] RAX: 1000002000000000 RBX: ffff88810ace6080 RCX: dead000000000122
[  400.545028][T24089] RDX: 0000000000003800 RSI: ffffffff848fb83c RDI: ffff88810ace6080
[  400.553051][T24089] RBP: 0000000000000000 R08: ffffffff831ab647 R09: 0000000000000001
[  400.560990][T24089] R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000067
[  400.568953][T24089] R13: ffff888111554e60 R14: ffff88811394d148 R15: ffff8881115549d8
[  400.577159][T24089] FS:  0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
[  400.586055][T24089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  400.592603][T24089] CR2: 0000000000003800 CR3: 00000001095ef000 CR4: 0000000000350ee0
[  400.600540][T24089] Call Trace:
[  400.603814][T24089]  hci_chan_del+0x16/0x90
[  400.608111][T24089]  l2cap_conn_del+0x166/0x250
[  400.612750][T24089]  hci_conn_hash_flush+0x6c/0xe0
[  400.617650][T24089]  hci_dev_do_close+0x214/0x5a0
[  400.622465][T24089]  ? up_write+0x13/0x150
[  400.626686][T24089]  hci_unregister_dev+0xc5/0x330
[  400.631598][T24089]  vhci_release+0x2a/0x60
[  400.636188][T24089]  __fput+0xa1/0x250
[  400.640057][T24089]  task_work_run+0x68/0xb0
[  400.644444][T24089]  do_exit+0x414/0xd10
[  400.648570][T24089]  ? find_held_lock+0x2d/0x90
[  400.653214][T24089]  ? get_signal+0xf7/0xd60
[  400.657681][T24089]  do_group_exit+0x42/0xb0
[  400.662062][T24089]  get_signal+0x155/0xd60
[  400.666361][T24089]  ? rcu_read_lock_sched_held+0x58/0x80
[  400.671874][T24089]  arch_do_signal_or_restart+0xaa/0x8c0
[  400.677390][T24089]  exit_to_user_mode_prepare+0x108/0x200
[  400.682989][T24089]  syscall_exit_to_user_mode+0x19/0x50
[  400.689128][T24089]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  400.695115][T24089] RIP: 0033:0x4179b1
[  400.698979][T24089] Code: Unable to access opcode bytes at RIP 0x417987.
[  400.705961][T24089] RSP: 002b:00007ffef9af0200 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
[  400.714448][T24089] RAX: 0000000000000003 RBX: 00007ffef9af0234 RCX: 00000000004179b1
[  400.722386][T24089] RDX: 00007ffef9af023a RSI: 0000000000080001 RDI: 00000000004c392c
[  400.730353][T24089] RBP: 00007ffef9af0230 R08: 0000000000000000 R09: 0000000000000004
[  400.738643][T24089] R10: 0000000000000075 R11: 0000000000000293 R12: 00000000004c392c
[  400.746610][T24089] R13: 00007ffef9af0750 R14: 0000000000000000 R15: 00007ffef9af0760
[  400.754550][T24089] Modules linked in:
[  400.758411][T24089] CR2: 0000000000003800
[  400.762532][T24089] ---[ end trace 946feb38933ab5a5 ]---
[  400.767982][T24089] RIP: 0010:__list_del_entry_valid+0x2d/0x50
[  400.773929][T24089] Code: 01 00 00 00 00 ad de 48 8b 07 48 8b 57 08 48 39 c8 0f 84 34 97 84 01 48 b9 22 01 00 00 00 00 ad de 48 39 ca 0f 84 57 97 84 01 <48> 8b 32 48 39 fe 0f 85 37 97 84 01 48 8b 50 08 48 39 f2 0f 85 1c
[  400.793610][T24089] RSP: 0018:ffffc90001a13bc0 EFLAGS: 00010217
[  400.799639][T24089] RAX: 1000002000000000 RBX: ffff88810ace6080 RCX: dead000000000122
[  400.807576][T24089] RDX: 0000000000003800 RSI: ffffffff848fb83c RDI: ffff88810ace6080
[  400.815545][T24089] RBP: 0000000000000000 R08: ffffffff831ab647 R09: 0000000000000001
[  400.823509][T24089] R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000067
[  400.831473][T24089] R13: ffff888111554e60 R14: ffff88811394d148 R15: ffff8881115549d8
[  400.839440][T24089] FS:  0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
[  400.848360][T24089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  400.854935][T24089] CR2: 0000000000003800 CR3: 00000001095ef000 CR4: 0000000000350ee0
[  400.862875][T24089] Kernel panic - not syncing: Fatal exception
[  400.872477][T24089] Kernel Offset: disabled
[  400.876774][T24089] Rebooting in 86400 seconds..