Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   98.726671][ T9808] general protection fault, probably for non-canonical address 0xdffffc0020000001: 0000 [#1] PREEMPT SMP KASAN
[   98.726683][ T9808] KASAN: probably user-memory-access in range [0x0000000100000008-0x000000010000000f]
[   98.726698][ T9808] CPU: 0 PID: 9808 Comm: syz-executor611 Not tainted 5.6.0-rc3-next-20200225-syzkaller #0
[   98.726706][ T9808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   98.726724][ T9808] RIP: 0010:do_con_write.part.0+0xa01/0x1ef0
[   98.726738][ T9808] Code: 7e fe ff ff 45 01 ef e8 5d 44 7f fd 48 8b 85 c8 fe ff ff 80 38 00 0f 85 71 12 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
[   98.726746][ T9808] RSP: 0018:ffffc90001f9f9e0 EFLAGS: 00010203
[   98.726757][ T9808] RAX: 0000000020000001 RBX: 000000010000000e RCX: ffffffff83f6aff0
[   98.726764][ T9808] RDX: 0000000000000000 RSI: ffffffff83f6b043 RDI: 0000000000000003
[   98.726773][ T9808] RBP: ffffc90001f9fb70 R08: ffff88809fbc8440 R09: ffff88809fbc8cd8
[   98.726781][ T9808] R10: fffffbfff154c0f8 R11: ffffffff8aa607c7 R12: dffffc0000000000
[   98.726788][ T9808] R13: 0000000000000000 R14: ffff888098130000 R15: 000000000000074d
[   98.726797][ T9808] FS:  0000000001d16880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   98.726805][ T9808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.726812][ T9808] CR2: 00007f8638dbb000 CR3: 0000000091559000 CR4: 00000000001406f0
[   98.726823][ T9808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   98.726831][ T9808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   98.726835][ T9808] Call Trace:
[   98.726863][ T9808]  ? do_con_trol+0x61b0/0x61b0
[   98.726882][ T9808]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   98.726895][ T9808]  ? add_wait_queue+0x112/0x170
[   98.726906][ T9808]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   98.726921][ T9808]  ? trace_hardirqs_on+0x67/0x240
[   98.726939][ T9808]  con_write+0x46/0xd0
[   98.726953][ T9808]  n_tty_write+0x40e/0x1080
[   98.726979][ T9808]  ? n_tty_read+0x1bf0/0x1bf0
[   98.726995][ T9808]  ? prepare_to_wait_exclusive+0x320/0x320
[   98.727015][ T9808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   98.727030][ T9808]  ? _copy_from_user+0x12c/0x1a0
[   98.727047][ T9808]  tty_write+0x496/0x7f0
[   98.727062][ T9808]  ? n_tty_read+0x1bf0/0x1bf0
[   98.727080][ T9808]  __vfs_write+0x8a/0x110
[   98.727092][ T9808]  ? hung_up_tty_compat_ioctl+0x40/0x40
[   98.727106][ T9808]  vfs_write+0x268/0x5d0
[   98.727121][ T9808]  ksys_write+0x14f/0x290
[   98.727134][ T9808]  ? __ia32_sys_read+0xb0/0xb0
[   98.727150][ T9808]  ? do_syscall_64+0x26/0x790
[   98.727163][ T9808]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   98.727174][ T9808]  ? do_syscall_64+0x26/0x790
[   98.727189][ T9808]  __x64_sys_write+0x73/0xb0
[   98.727203][ T9808]  do_syscall_64+0xfa/0x790
[   98.727219][ T9808]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   98.727228][ T9808] RIP: 0033:0x4403c9
[   98.727242][ T9808] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   98.727248][ T9808] RSP: 002b:00007fff6fe2e7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   98.727267][ T9808] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403c9
[   98.727275][ T9808] RDX: 0000000000000002 RSI: 0000000020002b40 RDI: 0000000000000004
[   98.727282][ T9808] RBP: 00000000006ca018 R08: 000000000000000e R09: 00000000004002c8
[   98.727289][ T9808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401cb0
[   98.727297][ T9808] R13: 0000000000401d40 R14: 0000000000000000 R15: 0000000000000000
[   98.727314][ T9808] Modules linked in:
[   98.727331][ T9808] ---[ end trace 5cfa8ee93d24bb26 ]---
[   98.727344][ T9808] RIP: 0010:do_con_write.part.0+0xa01/0x1ef0
[   98.727357][ T9808] Code: 7e fe ff ff 45 01 ef e8 5d 44 7f fd 48 8b 85 c8 fe ff ff 80 38 00 0f 85 71 12 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
[   98.727364][ T9808] RSP: 0018:ffffc90001f9f9e0 EFLAGS: 00010203
[   98.727375][ T9808] RAX: 0000000020000001 RBX: 000000010000000e RCX: ffffffff83f6aff0
[   98.727383][ T9808] RDX: 0000000000000000 RSI: ffffffff83f6b043 RDI: 0000000000000003
[   98.727392][ T9808] RBP: ffffc90001f9fb70 R08: ffff88809fbc8440 R09: ffff88809fbc8cd8
[   98.727401][ T9808] R10: fffffbfff154c0f8 R11: ffffffff8aa607c7 R12: dffffc0000000000
[   98.727409][ T9808] R13: 0000000000000000 R14: ffff888098130000 R15: 000000000000074d
[   98.727421][ T9808] FS:  0000000001d16880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   98.727430][ T9808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.727438][ T9808] CR2: 00007f8638dbb000 CR3: 0000000091559000 CR4: 00000000001406f0
[   98.727449][ T9808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   98.727457][ T9808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   98.727464][ T9808] Kernel panic - not syncing: Fatal exception
[   98.729013][ T9808] Kernel Offset: disabled
[   99.211818][ T9808] Rebooting in 86400 seconds..