[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   60.820990][    T0] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   60.821001][    T0] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   60.821015][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc6-syzkaller #0
[   60.821023][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.821045][    T0] RIP: 0010:__switch_to_asm+0x0/0x40
[   60.821059][    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
[   60.821066][    T0] RSP: 0018:ffffffff89a07ce0 EFLAGS: 00010046
[   60.821082][    T0] RAX: dffffc0000000000 RBX: ffff8880ae635e18 RCX: 0000000000000000
[   60.821091][    T0] RDX: 1ffff11015cc6bc2 RSI: ffff8880a35a4400 RDI: ffffffff89a86580
[   60.821099][    T0] RBP: ffffffff89a07db8 R08: 0000000000000001 R09: ffffffff89a86e48
[   60.821107][    T0] R10: fffffbfff155da49 R11: 0000000000000000 R12: ffffffff89a86580
[   60.821116][    T0] R13: ffff8880ae635e00 R14: ffff8880a35a4400 R15: ffffffff89a869b0
[   60.821127][    T0] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   60.821136][    T0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.821144][    T0] CR2: 00007f9a5605d6c0 CR3: 000000009ee0a000 CR4: 00000000001406f0
[   60.821155][    T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   60.821163][    T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   60.821166][    T0] Call Trace:
[   60.821186][    T0]  __schedule+0x8ea/0x2210
[   60.821206][    T0]  ? io_schedule_timeout+0x140/0x140
[   60.821221][    T0]  ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[   60.821235][    T0]  ? trace_hardirqs_on+0x5f/0x220
[   60.821258][    T0]  ? lockdep_hardirqs_on+0x6a/0xe0
[   60.821274][    T0]  schedule_idle+0x53/0x90
[   60.821288][    T0]  do_idle+0x323/0x6d0
[   60.821304][    T0]  ? arch_cpu_idle_exit+0x70/0x70
[   60.821321][    T0]  ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[   60.821336][    T0]  cpu_startup_entry+0x14/0x20
[   60.821349][    T0]  start_kernel+0x9cb/0xa06
[   60.821363][    T0]  ? mem_encrypt_init+0x5/0x5
[   60.821379][    T0]  ? x86_cpuid_vendor+0x84/0x90
[   60.821399][    T0]  ? __sanitizer_cov_trace_switch+0x45/0x70
[   60.821415][    T0]  ? load_ucode_bsp+0x1b7/0x1f7
[   60.821431][    T0]  secondary_startup_64+0xa4/0xb0
[   60.821441][    T0] Modules linked in:
[   60.821459][    T0] ---[ end trace bbaabe245fbde902 ]---
[   60.821474][    T0] RIP: 0010:__switch_to_asm+0x0/0x40
[   60.821487][    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
[   60.821494][    T0] RSP: 0018:ffffffff89a07ce0 EFLAGS: 00010046
[   60.821504][    T0] RAX: dffffc0000000000 RBX: ffff8880ae635e18 RCX: 0000000000000000
[   60.821513][    T0] RDX: 1ffff11015cc6bc2 RSI: ffff8880a35a4400 RDI: ffffffff89a86580
[   60.821521][    T0] RBP: ffffffff89a07db8 R08: 0000000000000001 R09: ffffffff89a86e48
[   60.821529][    T0] R10: fffffbfff155da49 R11: 0000000000000000 R12: ffffffff89a86580
[   60.821537][    T0] R13: ffff8880ae635e00 R14: ffff8880a35a4400 R15: ffffffff89a869b0
[   60.821548][    T0] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   60.821557][    T0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.821565][    T0] CR2: 00007f9a5605d6c0 CR3: 000000009ee0a000 CR4: 00000000001406f0
[   60.821574][    T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   60.821582][    T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   60.821588][    T0] Kernel panic - not syncing: Fatal exception
[   60.822986][    T0] Kernel Offset: disabled
[   61.185252][    T0] Rebooting in 86400 seconds..