Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   57.279927][    T0] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   57.279937][    T0] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   57.279950][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc4-next-20200709-syzkaller #0
[   57.279957][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.279976][    T0] RIP: 0010:__switch_to_asm+0x0/0x40
[   57.279990][    T0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   57.279997][    T0] RSP: 0018:ffffc90000d3fd90 EFLAGS: 00010046
[   57.280007][    T0] RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000
[   57.280015][    T0] RDX: 1ffff11015ce6bc2 RSI: ffff8880a66a6480 RDI: ffff8880a95f6340
[   57.280022][    T0] RBP: ffffc90000d3fe60 R08: 0000000000000001 R09: ffff8880a95f6c10
[   57.280029][    T0] R10: fffffbfff155ea89 R11: 0000000000000000 R12: ffff8880ae735e00
[   57.280042][    T0] R13: ffff8880a95f6340 R14: ffff8880a66a6480 R15: ffff8880a95f6770
[   57.280052][    T0] FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   57.280060][    T0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.280067][    T0] CR2: 00007f1b9cc8ce78 CR3: 00000000a70f6000 CR4: 00000000001506e0
[   57.280077][    T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   57.280084][    T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   57.280088][    T0] Call Trace:
[   57.280103][    T0]  __schedule+0x8b4/0x1e80
[   57.280119][    T0]  ? io_schedule_timeout+0x140/0x140
[   57.280133][    T0]  ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[   57.280145][    T0]  ? trace_hardirqs_on+0x5f/0x220
[   57.280158][    T0]  ? lockdep_hardirqs_on+0x6a/0xe0
[   57.280170][    T0]  schedule_idle+0x53/0x90
[   57.280182][    T0]  do_idle+0x323/0x6d0
[   57.280196][    T0]  ? arch_cpu_idle_exit+0x70/0x70
[   57.280207][    T0]  ? trace_hardirqs_on+0x5f/0x220
[   57.280218][    T0]  ? lockdep_hardirqs_on+0x6a/0xe0
[   57.280232][    T0]  cpu_startup_entry+0x14/0x20
[   57.280244][    T0]  secondary_startup_64+0xa4/0xb0
[   57.280254][    T0] Modules linked in:
[   57.280269][    T0] ---[ end trace e8ccd5bb97dcf9da ]---
[   57.280282][    T0] RIP: 0010:__switch_to_asm+0x0/0x40
[   57.280306][    T0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   57.280313][    T0] RSP: 0018:ffffc90000d3fd90 EFLAGS: 00010046
[   57.280323][    T0] RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000
[   57.280330][    T0] RDX: 1ffff11015ce6bc2 RSI: ffff8880a66a6480 RDI: ffff8880a95f6340
[   57.280337][    T0] RBP: ffffc90000d3fe60 R08: 0000000000000001 R09: ffff8880a95f6c10
[   57.280345][    T0] R10: fffffbfff155ea89 R11: 0000000000000000 R12: ffff8880ae735e00
[   57.280353][    T0] R13: ffff8880a95f6340 R14: ffff8880a66a6480 R15: ffff8880a95f6770
[   57.280362][    T0] FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   57.280369][    T0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.280377][    T0] CR2: 00007f1b9cc8ce78 CR3: 00000000a70f6000 CR4: 00000000001506e0
[   57.280387][    T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   57.280394][    T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   57.280400][    T0] Kernel panic - not syncing: Fatal exception
[   57.281960][    T0] Kernel Offset: disabled