Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts.
syzkaller login: [   83.696238][ T6845] IPVS: ftp: loaded support on port[0] = 21
executing program
[   84.766468][ T6871] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   84.778314][ T6871] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   84.786728][ T6871] CPU: 0 PID: 6871 Comm: kworker/u5:2 Not tainted 5.8.0-rc7-next-20200731-syzkaller #0
[   84.796355][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   84.806421][ T6871] Workqueue: hci0 hci_rx_work
[   84.811115][ T6871] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x23e/0x790
[   84.818139][ T6871] Code: 48 c1 ea 03 80 3c 02 00 0f 85 3e 05 00 00 48 8b 9d 30 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
[   84.837831][ T6871] RSP: 0018:ffffc90005547a38 EFLAGS: 00010202
[   84.844019][ T6871] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8722a583
[   84.851997][ T6871] RDX: 0000000000000002 RSI: ffffffff8722a590 RDI: 0000000000000010
[   84.859980][ T6871] RBP: ffff888093e40000 R08: 0000000000000001 R09: ffff88809429ae48
[   84.868038][ T6871] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
[   84.875986][ T6871] R13: ffff8880940e1138 R14: ffff8880a5eb180b R15: 00000000000000c8
[   84.883979][ T6871] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   84.892882][ T6871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.899441][ T6871] CR2: 0000000020000180 CR3: 0000000096920000 CR4: 00000000001506f0
[   84.907391][ T6871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   84.915335][ T6871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   84.923278][ T6871] Call Trace:
[   84.926547][ T6871]  hci_event_packet+0x4696/0x87a8
[   84.931549][ T6871]  ? lockdep_hardirqs_on_prepare+0x530/0x530
[   84.937504][ T6871]  ? __lock_acquire+0x16cb/0x5640
[   84.942617][ T6871]  ? hci_cmd_complete_evt+0xc6d0/0xc6d0
[   84.948137][ T6871]  ? lock_acquire+0x1f1/0xad0
[   84.952788][ T6871]  ? skb_dequeue+0x1c/0x180
[   84.957268][ T6871]  ? find_held_lock+0x2d/0x110
[   84.962050][ T6871]  ? mark_lock+0xbc/0x1710
[   84.966441][ T6871]  ? mark_held_locks+0x9f/0xe0
[   84.971179][ T6871]  ? _raw_spin_unlock_irqrestore+0x62/0xe0
[   84.976960][ T6871]  ? lockdep_hardirqs_on_prepare+0x354/0x530
[   84.982913][ T6871]  ? trace_hardirqs_on+0x5f/0x220
[   84.987912][ T6871]  ? lockdep_hardirqs_on+0x76/0xf0
[   84.992998][ T6871]  hci_rx_work+0x22e/0xb50
[   84.997392][ T6871]  process_one_work+0x94c/0x1670
[   85.002306][ T6871]  ? lock_release+0x8e0/0x8e0
[   85.006957][ T6871]  ? pwq_dec_nr_in_flight+0x2d0/0x2d0
[   85.012301][ T6871]  ? rwlock_bug.part.0+0x90/0x90
[   85.017215][ T6871]  ? lockdep_hardirqs_off+0x7e/0xb0
[   85.022414][ T6871]  worker_thread+0x64c/0x1120
[   85.027067][ T6871]  ? __kthread_parkme+0x13f/0x1e0
[   85.032082][ T6871]  ? process_one_work+0x1670/0x1670
[   85.037255][ T6871]  kthread+0x3b5/0x4a0
[   85.041296][ T6871]  ? __kthread_bind_mask+0xc0/0xc0
[   85.046378][ T6871]  ? __kthread_bind_mask+0xc0/0xc0
[   85.051466][ T6871]  ret_from_fork+0x1f/0x30
[   85.055854][ T6871] Modules linked in:
[   85.066899][ T6871] ---[ end trace dd24a1ad657628eb ]---
[   85.072401][ T6871] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x23e/0x790
[   85.079629][ T6871] Code: 48 c1 ea 03 80 3c 02 00 0f 85 3e 05 00 00 48 8b 9d 30 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
[   85.099301][ T6871] RSP: 0018:ffffc90005547a38 EFLAGS: 00010202
[   85.105360][ T6871] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8722a583
[   85.113438][ T6871] RDX: 0000000000000002 RSI: ffffffff8722a590 RDI: 0000000000000010
[   85.121540][ T6871] RBP: ffff888093e40000 R08: 0000000000000001 R09: ffff88809429ae48
[   85.129560][ T6871] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
[   85.137562][ T6871] R13: ffff8880940e1138 R14: ffff8880a5eb180b R15: 00000000000000c8
[   85.145545][ T6871] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   85.154503][ T6871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.161119][ T6871] CR2: 00007ffeb2dc68f0 CR3: 0000000009a79000 CR4: 00000000001506f0
[   85.169115][ T6871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   85.177132][ T6871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   85.185091][ T6871] Kernel panic - not syncing: Fatal exception
[   85.192422][ T6871] Kernel Offset: disabled
[   85.196740][ T6871] Rebooting in 86400 seconds..