BUG: unable to handle kernel paging request at ffffffff0000000e
IP: memset16 arch/x86/include/asm/string_64.h:58 [inline]
IP: scr_memsetw include/linux/vt_buffer.h:36 [inline]
IP: delete_char drivers/tty/vt/vt.c:547 [inline]
IP: csi_P drivers/tty/vt/vt.c:1648 [inline]
IP: do_con_trol+0x31f1/0x5b40 drivers/tty/vt/vt.c:2022
PGD 7e6d067 P4D 7e6d067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 15882 Comm: syz-executor.4 Not tainted 4.14.171-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a55a64c0 task.stack: ffff8881fdd00000
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:delete_char drivers/tty/vt/vt.c:547 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:1648 [inline]
RIP: 0010:do_con_trol+0x31f1/0x5b40 drivers/tty/vt/vt.c:2022
RSP: 0018:ffff8881fdd07878 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 1ffff1103fba0f13 RCX: 0000000000000001
RDX: fffffffe00000000 RSI: 0000000000000001 RDI: ffffffff0000000e
RBP: ffff8881fdd07960 R08: ffff8880a5de060c R09: 0000000000000002
R10: 0000000000000000 R11: ffff8880a55a64c0 R12: ffff8880a5de0240
R13: ffff8880a5de05cc R14: ffff8880a5de0574 R15: 000000010000000e
FS:  00007f4917d9b700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 00000000635d9000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_con_write.part.0+0xcc7/0x1b50 drivers/tty/vt/vt.c:2434
 do_con_write drivers/tty/vt/vt.c:2205 [inline]
 con_write+0x38/0xc0 drivers/tty/vt/vt.c:2787
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x38b/0xf20 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:959 [inline]
 tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043
 __vfs_write+0x105/0x6b0 fs/read_write.c:480
 vfs_write+0x198/0x500 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xfd/0x230 fs/read_write.c:582
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c449
RSP: 002b:00007f4917d9ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4917d9b6d4 RCX: 000000000045c449
RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000cad R14: 00000000004ce949 R15: 000000000076bf2c
Code: 00 41 8b 94 24 34 03 00 00 41 0f b7 84 24 c8 03 00 00 48 29 ca 48 2b 95 20 ff ff ff 8b 8d 30 ff ff ff 48 01 d2 49 8d 3c 17 d1 e9 <f3> 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 
RIP: memset16 arch/x86/include/asm/string_64.h:58 [inline] RSP: ffff8881fdd07878
RIP: scr_memsetw include/linux/vt_buffer.h:36 [inline] RSP: ffff8881fdd07878
RIP: delete_char drivers/tty/vt/vt.c:547 [inline] RSP: ffff8881fdd07878
RIP: csi_P drivers/tty/vt/vt.c:1648 [inline] RSP: ffff8881fdd07878
RIP: do_con_trol+0x31f1/0x5b40 drivers/tty/vt/vt.c:2022 RSP: ffff8881fdd07878
CR2: ffffffff0000000e
---[ end trace df07baa56733c442 ]---