Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. syzkaller login: [ 43.206971][ T6922] IPVS: ftp: loaded support on port[0] = 21 executing program [ 44.269603][ T6946] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 44.281428][ T6946] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 44.289833][ T6946] CPU: 0 PID: 6946 Comm: kworker/u5:2 Not tainted 5.8.0-rc7-syzkaller #0 [ 44.298232][ T6946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.308290][ T6946] Workqueue: hci0 hci_rx_work [ 44.312970][ T6946] RIP: 0010:hci_event_packet+0x8386/0x18260 [ 44.318851][ T6946] Code: c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 08 48 89 df e8 58 9a 5e fa 48 8b 1b 48 83 c3 10 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 3b 9a 5e fa 48 8b 1b 48 89 d8 48 [ 44.338456][ T6946] RSP: 0018:ffffc900015d7ac8 EFLAGS: 00010202 [ 44.344494][ T6946] RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 [ 44.352437][ T6946] RDX: ffff888092b72380 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.360384][ T6946] RBP: ffff888092a66000 R08: ffffffff875506b4 R09: fffffbfff131a9a6 [ 44.368328][ T6946] R10: fffffbfff131a9a6 R11: 0000000000000000 R12: ffff888092c18010 [ 44.376272][ T6946] R13: ffff888092c19110 R14: dffffc0000000000 R15: ffff888092c18000 [ 44.384216][ T6946] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 44.393115][ T6946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.399669][ T6946] CR2: 0000000020000000 CR3: 00000000a6cb2000 CR4: 00000000001406f0 [ 44.407622][ T6946] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.415579][ T6946] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.423521][ T6946] Call Trace: [ 44.426789][ T6946] ? trace_lock_release+0x137/0x1a0 [ 44.431962][ T6946] ? _raw_spin_unlock_irqrestore+0x6f/0xd0 [ 44.437740][ T6946] ? lockdep_hardirqs_on+0x38/0xe0 [ 44.442823][ T6946] hci_rx_work+0x236/0x9c0 [ 44.447229][ T6946] process_one_work+0x789/0xfc0 [ 44.452053][ T6946] worker_thread+0xaa4/0x1460 [ 44.456702][ T6946] ? _raw_spin_unlock_irqrestore+0x6f/0xd0 [ 44.462479][ T6946] kthread+0x37e/0x3a0 [ 44.466519][ T6946] ? rcu_lock_release+0x20/0x20 [ 44.471365][ T6946] ? kthread_blkcg+0xd0/0xd0 [ 44.475935][ T6946] ret_from_fork+0x1f/0x30 [ 44.480337][ T6946] Modules linked in: [ 44.484533][ T6946] ---[ end trace 7917e8a177c89005 ]--- [ 44.489993][ T6946] RIP: 0010:hci_event_packet+0x8386/0x18260 [ 44.495949][ T6946] Code: c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 08 48 89 df e8 58 9a 5e fa 48 8b 1b 48 83 c3 10 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 3b 9a 5e fa 48 8b 1b 48 89 d8 48 [ 44.515592][ T6946] RSP: 0018:ffffc900015d7ac8 EFLAGS: 00010202 [ 44.521647][ T6946] RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 [ 44.529623][ T6946] RDX: ffff888092b72380 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.537677][ T6946] RBP: ffff888092a66000 R08: ffffffff875506b4 R09: fffffbfff131a9a6 [ 44.545648][ T6946] R10: fffffbfff131a9a6 R11: 0000000000000000 R12: ffff888092c18010 [ 44.553829][ T6946] R13: ffff888092c19110 R14: dffffc0000000000 R15: ffff888092c18000 [ 44.561782][ T6946] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 44.570711][ T6946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.577567][ T6946] CR2: 0000000020000000 CR3: 0000000009479000 CR4: 00000000001406f0 [ 44.585563][ T6946] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.593556][ T6946] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.601649][ T6946] Kernel panic - not syncing: Fatal exception [ 44.608909][ T6946] Kernel Offset: disabled [ 44.613263][ T6946] Rebooting in 86400 seconds..