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+0x107/0x290 drivers/tty/vt/vt.c:535
PGD 2107e6067 P4D 2107e6067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 12717 Comm: syz-executor.1 Not tainted 4.14.159-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a08ee5c0 task.stack: ffff8881f8438000
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+0x107/0x290 drivers/tty/vt/vt.c:535
RSP: 0018:ffff8881f843f838 EFLAGS: 00010202
RAX: 0000000000000e20 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff11009cd0f61 RSI: 000000010000000e RDI: 000000010000000e
RBP: ffff8881f843f868 R08: ffff88804e687b0c R09: 0000000000000002
R10: 0000000000000000 R11: ffff8880a08ee5c0 R12: ffff88804e687740
R13: ffff88804e687acc R14: ffff88804e687a74 R15: 000000010000000e
FS:  00007f5c3b1e1700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000010000000e CR3: 000000021acd7000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 csi_at drivers/tty/vt/vt.c:1627 [inline]
 do_con_trol+0x35bd/0x5b40 drivers/tty/vt/vt.c:2074
 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: 0033:0x45a919
RSP: 002b:00007f5c3b1e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919
RDX: 0000000000000078 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c3b1e16d4
R13: 00000000004cbdc5 R14: 00000000004e5a58 R15: 00000000ffffffff
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 3b 01 00 00 41 0f b7 84 24 c8 03 00 00 d1 eb 4c 89 ff 89 d9 <f3> 66 ab 49 8d bc 24 78 04 00 00 48 b8 00 00 00 00 00 fc ff df 
RIP: memset16 arch/x86/include/asm/string_64.h:58 [inline] RSP: ffff8881f843f838
RIP: scr_memsetw include/linux/vt_buffer.h:36 [inline] RSP: ffff8881f843f838
RIP: insert_char+0x107/0x290 drivers/tty/vt/vt.c:535 RSP: ffff8881f843f838
CR2: 000000010000000e
kobject: 'loop5' (ffff8880a41745a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a41745a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
---[ end trace b3b82c8efd2c83ac ]---