BUG: unable to handle page fault for address: ffffffff0000000e
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 9a7c067 P4D 9a7c067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13263 Comm: syz-executor.4 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memset16 arch/x86/include/asm/string_64.h:25 [inline]
RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline]
RIP: 0010:delete_char drivers/tty/vt/vt.c:859 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:2013 [inline]
RIP: 0010:do_con_trol drivers/tty/vt/vt.c:2407 [inline]
RIP: 0010:do_con_write+0x702d/0x7400 drivers/tty/vt/vt.c:2823
Code: d2 0f 85 1e 01 00 00 41 8b 96 dc 03 00 00 48 89 e8 44 89 e9 d1 e9 48 29 d0 48 2b 44 24 68 48 01 c0 49 8d 3c 04 0f b7 44 24 28 <f3> 66 ab 49 8d be d0 04 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84
RSP: 0018:ffffc900188bfa10 EFLAGS: 00010287
RAX: 0000000000000720 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: 00000000ffffffff RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888061aacd48
R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000e
R13: 0000000000000002 R14: ffff888074fc0000 R15: ffff888074fc03dc
FS:  00007f11d70d0700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 00000000a76de000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3159
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x3ce/0xf80 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x4d9/0x870 drivers/tty/tty_io.c:1046
 __vfs_write+0x76/0x100 fs/read_write.c:495
 vfs_write+0x268/0x5d0 fs/read_write.c:559
 ksys_write+0x12d/0x250 fs/read_write.c:612
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cb29
Code: Bad RIP value.
RSP: 002b:00007f11d70cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000050e120 RCX: 000000000045cb29
RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000d2b R14: 00000000004cf870 R15: 00007f11d70d06d4
Modules linked in:
CR2: ffffffff0000000e
---[ end trace bc0f642a770a6eb4 ]---
RIP: 0010:memset16 arch/x86/include/asm/string_64.h:25 [inline]
RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline]
RIP: 0010:delete_char drivers/tty/vt/vt.c:859 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:2013 [inline]
RIP: 0010:do_con_trol drivers/tty/vt/vt.c:2407 [inline]
RIP: 0010:do_con_write+0x702d/0x7400 drivers/tty/vt/vt.c:2823
Code: d2 0f 85 1e 01 00 00 41 8b 96 dc 03 00 00 48 89 e8 44 89 e9 d1 e9 48 29 d0 48 2b 44 24 68 48 01 c0 49 8d 3c 04 0f b7 44 24 28 <f3> 66 ab 49 8d be d0 04 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84
RSP: 0018:ffffc900188bfa10 EFLAGS: 00010287
RAX: 0000000000000720 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: 00000000ffffffff RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888061aacd48
R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000e
R13: 0000000000000002 R14: ffff888074fc0000 R15: ffff888074fc03dc
FS:  00007f11d70d0700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 00000000a76de000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400