BUG: unable to handle page fault for address: 000000010000000e
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 94f27067 P4D 94f27067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 15643 Comm: syz-executor.5 Not tainted 5.6.0-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:insert_char+0x230/0x3f0 drivers/tty/vt/vt.c:840
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 c8 03 00 00 4c 89 f7 89 d9 <f3> 66 ab 49 8d bf 78 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc90001c978e0 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff11014e36a79 RSI: 000000010000000e RDI: 000000010000000e
RBP: 0000000000000000 R08: 000000010000000e R09: fffffbfff14cbb31
R10: fffffbfff14cbb30 R11: ffffffff8a65d987 R12: ffff8880a71b538c
R13: ffff8880a71b5334 R14: 000000010000000e R15: ffff8880a71b5000
FS:  00007fba796cc700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000010000000e CR3: 00000000a7735000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 csi_at drivers/tty/vt/vt.c:1975 [inline]
 do_con_trol+0x3e56/0x5d10 drivers/tty/vt/vt.c:2442
 do_con_write.part.0+0xf41/0x1dd0 drivers/tty/vt/vt.c:2808
 do_con_write drivers/tty/vt/vt.c:2576 [inline]
 con_write+0x41/0xe0 drivers/tty/vt/vt.c:3146
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x3f0/0xf90 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x48f/0x7f0 drivers/tty/tty_io.c:1046
 __vfs_write+0x76/0x100 fs/read_write.c:494
 vfs_write+0x262/0x5c0 fs/read_write.c:558
 ksys_write+0x127/0x250 fs/read_write.c:611
 do_syscall_64+0xf6/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c4a9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fba796cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fba796cc6d4 RCX: 000000000045c4a9
RDX: 0000000000000040 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000cda R14: 00000000004cec34 R15: 000000000076bf2c
Modules linked in:
CR2: 000000010000000e
---[ end trace bd25075f5ef3b463 ]---
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+0x230/0x3f0 drivers/tty/vt/vt.c:840
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 c8 03 00 00 4c 89 f7 89 d9 <f3> 66 ab 49 8d bf 78 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc90001c978e0 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff11014e36a79 RSI: 000000010000000e RDI: 000000010000000e
RBP: 0000000000000000 R08: 000000010000000e R09: fffffbfff14cbb31
R10: fffffbfff14cbb30 R11: ffffffff8a65d987 R12: ffff8880a71b538c
R13: ffff8880a71b5334 R14: 000000010000000e R15: ffff8880a71b5000
FS:  00007fba796cc700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb400c61000 CR3: 00000000a7735000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400