Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   67.707446][ T8882] general protection fault, probably for non-canonical address 0xdffffc0020000001: 0000 [#1] PREEMPT SMP KASAN
[   67.707454][ T8882] KASAN: probably user-memory-access in range [0x0000000100000008-0x000000010000000f]
[   67.707464][ T8882] CPU: 0 PID: 8882 Comm: syz-executor230 Not tainted 5.6.0-rc1-syzkaller #0
[   67.707469][ T8882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   67.707483][ T8882] RIP: 0010:do_con_write+0x1aea/0xf360
[   67.707502][ T8882] Code: 02 00 00 48 8b 7c 24 60 49 89 ff 49 c1 ef 03 43 80 3c 2f 00 74 0a e8 35 25 b4 fd 48 8b 7c 24 60 48 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 ce 02 00 00 66 44 89 33 48 c7 c7 1c b6
[   67.707508][ T8882] RSP: 0018:ffffc90002187880 EFLAGS: 00010203
[   67.707516][ T8882] RAX: 0000000020000001 RBX: 000000010000000e RCX: ffff8880a29763c0
[   67.707521][ T8882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888094d9e3a0
[   67.707527][ T8882] RBP: ffffc90002187b68 R08: ffffffff84000078 R09: ffffffff83fe3414
[   67.707533][ T8882] R10: ffff8880a29763c0 R11: 0000000000000006 R12: ffff888094d9e000
[   67.707539][ T8882] R13: dffffc0000000000 R14: 000000000000074d R15: 1ffff110129b3c74
[   67.707546][ T8882] FS:  00000000022de880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   67.707552][ T8882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.707558][ T8882] CR2: 0000000001795e80 CR3: 00000000920de000 CR4: 00000000001406f0
[   67.707568][ T8882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   67.707573][ T8882] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   67.707576][ T8882] Call Trace:
[   67.707628][ T8882]  ? _raw_spin_unlock_irqrestore+0x72/0xe0
[   67.707642][ T8882]  ? _raw_spin_unlock_irqrestore+0xb7/0xe0
[   67.707653][ T8882]  con_write+0x25/0x40
[   67.707664][ T8882]  n_tty_write+0xd0c/0x1200
[   67.707685][ T8882]  ? wait_woken+0x230/0x230
[   67.707698][ T8882]  tty_write+0x5a1/0x950
[   67.707711][ T8882]  ? n_tty_read+0x1bc0/0x1bc0
[   67.707724][ T8882]  ? redirected_tty_write+0xb0/0xb0
[   67.707735][ T8882]  __vfs_write+0xb8/0x740
[   67.707750][ T8882]  ? security_file_permission+0x147/0x340
[   67.707762][ T8882]  ? rw_verify_area+0x1c2/0x360
[   67.707774][ T8882]  vfs_write+0x270/0x580
[   67.707790][ T8882]  ksys_write+0x117/0x220
[   67.707804][ T8882]  __x64_sys_write+0x7b/0x90
[   67.707817][ T8882]  do_syscall_64+0xf7/0x1c0
[   67.707831][ T8882]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   67.707837][ T8882] RIP: 0033:0x4403c9
[   67.707845][ T8882] 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
[   67.707850][ T8882] RSP: 002b:00007ffffadf2a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   67.707858][ T8882] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403c9
[   67.707863][ T8882] RDX: 0000000000000002 RSI: 0000000020002b40 RDI: 0000000000000004
[   67.707869][ T8882] RBP: 00000000006ca018 R08: 000000000000000e R09: 00000000004002c8
[   67.707873][ T8882] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401cb0
[   67.707878][ T8882] R13: 0000000000401d40 R14: 0000000000000000 R15: 0000000000000000
[   67.707892][ T8882] Modules linked in:
[   67.707906][ T8882] ---[ end trace 2bec802a0cd3d815 ]---
[   67.707917][ T8882] RIP: 0010:do_con_write+0x1aea/0xf360
[   67.707925][ T8882] Code: 02 00 00 48 8b 7c 24 60 49 89 ff 49 c1 ef 03 43 80 3c 2f 00 74 0a e8 35 25 b4 fd 48 8b 7c 24 60 48 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 ce 02 00 00 66 44 89 33 48 c7 c7 1c b6
[   67.707930][ T8882] RSP: 0018:ffffc90002187880 EFLAGS: 00010203
[   67.707938][ T8882] RAX: 0000000020000001 RBX: 000000010000000e RCX: ffff8880a29763c0
[   67.707943][ T8882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888094d9e3a0
[   67.707949][ T8882] RBP: ffffc90002187b68 R08: ffffffff84000078 R09: ffffffff83fe3414
[   67.707955][ T8882] R10: ffff8880a29763c0 R11: 0000000000000006 R12: ffff888094d9e000
[   67.707961][ T8882] R13: dffffc0000000000 R14: 000000000000074d R15: 1ffff110129b3c74
[   67.707969][ T8882] FS:  00000000022de880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   67.707975][ T8882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.707981][ T8882] CR2: 0000000001795e80 CR3: 00000000920de000 CR4: 00000000001406f0
[   67.707989][ T8882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   67.707994][ T8882] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   67.707998][ T8882] Kernel panic - not syncing: Fatal exception
[   67.709707][ T8882] Kernel Offset: disabled
[   68.145169][ T8882] Rebooting in 86400 seconds..