BUG: unable to handle page fault for address: 000000010000000e
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 94922067 P4D 94922067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 24712 Comm: syz-executor.4 Not tainted 5.8.0-rc2-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:insert_char+0x233/0x3f0 drivers/tty/vt/vt.c:846
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 19 01 00 00 d1 eb 41 0f b7 87 18 04 00 00 4c 89 f7 89 d9 <f3> 66 ab 49 8d bf d0 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc900017479c0 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff11014772a83 RSI: 000000010000000e RDI: 000000010000000e
RBP: 0000000000000000 R08: 000000010000000e R09: ffff88808f1e4c48
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a3b953dc
R13: ffff8880a3b95384 R14: 000000010000000e R15: ffff8880a3b95000
FS:  00007fcd97791700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000010000000e CR3: 00000000a7d1b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 csi_at drivers/tty/vt/vt.c:1992 [inline]
 do_con_trol drivers/tty/vt/vt.c:2459 [inline]
 do_con_write+0x55bd/0x7400 drivers/tty/vt/vt.c:2823
 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: 0033:0x45cb19
Code: Bad RIP value.
RSP: 002b:00007fcd97790c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000050e0c0 RCX: 000000000045cb19
RDX: 0000000000000191 RSI: 0000000020000380 RDI: 0000000000000006
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000d2b R14: 00000000004cf863 R15: 00007fcd977916d4
Modules linked in:
CR2: 000000010000000e
---[ end trace ba9e1fcfbc6a94f6 ]---
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:insert_char+0x233/0x3f0 drivers/tty/vt/vt.c:846
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 19 01 00 00 d1 eb 41 0f b7 87 18 04 00 00 4c 89 f7 89 d9 <f3> 66 ab 49 8d bf d0 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc900017479c0 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff11014772a83 RSI: 000000010000000e RDI: 000000010000000e
RBP: 0000000000000000 R08: 000000010000000e R09: ffff88808f1e4c48
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a3b953dc
R13: ffff8880a3b95384 R14: 000000010000000e R15: ffff8880a3b95000
FS:  00007fcd97791700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000010000000e CR3: 00000000a7d1b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400