BUG: unable to handle kernel paging request at 000000010000000e
IP: memset16 arch/x86/include/asm/string_64.h:58 [inline]
IP: scr_memsetw include/linux/vt_buffer.h:36 [inline]
IP: insert_char+0xf7/0x280 drivers/tty/vt/vt.c:535
PGD 84354067 P4D 84354067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 9134 Comm: syz-executor.3 Not tainted 4.14.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88804bb8a600 task.stack: ffff88804d190000
RIP: 0010:memset16 arch/x86/include/asm/string_64.h:58 [inline]
RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline]
RIP: 0010:insert_char+0xf7/0x280 drivers/tty/vt/vt.c:535
RSP: 0018:ffff88804d197908 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff1100b2c3cc9 RSI: 000000010000000e RDI: 000000010000000e
RBP: ffff88805961e280 R08: 0000000000000001 R09: 0000000000000002
R10: ffff88804bb8af50 R11: ffff88804bb8a600 R12: ffff88805961e60c
R13: ffff88805961e5b4 R14: 000000010000000e R15: 000000002c3cc000
FS:  00007f73870d4700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000010000000e CR3: 000000009f4c0000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 csi_at drivers/tty/vt/vt.c:1640 [inline]
 do_con_trol+0x2c06/0x52e0 drivers/tty/vt/vt.c:2087
 do_con_write.part.0+0xc44/0x1a20 drivers/tty/vt/vt.c:2447
 do_con_write drivers/tty/vt/vt.c:2218 [inline]
 con_write+0x33/0xc0 drivers/tty/vt/vt.c:2798
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x375/0xe20 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:959 [inline]
 tty_write+0x3f1/0x6e0 drivers/tty/tty_io.c:1043
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45ca69
RSP: 002b:00007f73870d3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000050c900 RCX: 000000000045ca69
RDX: 0000000000000109 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000cea R14: 00000000004cf3af R15: 00007f73870d46d4
Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 2d 01 00 00 d1 eb 0f b7 85 c8 03 00 00 4c 89 f7 89 d9 <f3> 66 ab 48 8d bd 78 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 
RIP: memset16 arch/x86/include/asm/string_64.h:58 [inline] RSP: ffff88804d197908
RIP: scr_memsetw include/linux/vt_buffer.h:36 [inline] RSP: ffff88804d197908
RIP: insert_char+0xf7/0x280 drivers/tty/vt/vt.c:535 RSP: ffff88804d197908
CR2: 000000010000000e
---[ end trace 2f61b03338d654ab ]---