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:1661 [inline]
IP: do_con_trol+0x2ded/0x5450 drivers/tty/vt/vt.c:2035
PGD 7c6d067 P4D 7c6d067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 23657 Comm: syz-executor.0 Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888030dd8680 task.stack: ffff888053fb8000
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:1661 [inline]
RIP: 0010:do_con_trol+0x2ded/0x5450 drivers/tty/vt/vt.c:2035
RSP: 0018:ffff888053fbf8d8 EFLAGS: 00010287
RAX: 0000000000000e20 RBX: 1ffff1100a7f7f1e RCX: 0000000000000001
RDX: fffffffe00000000 RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: ffff88808c928ac0 R08: 0000000000000001 R09: 0000000000000002
R10: ffff888030dd8fd0 R11: ffff888030dd8680 R12: ffff88808c928e4c
R13: ffff88808c928df4 R14: 0000000000000002 R15: 000000010000000e
FS:  00007f9889c71700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 000000004c769000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 do_con_write.part.0+0xc44/0x1a20 drivers/tty/vt/vt.c:2447
XFS (loop4): Invalid superblock magic number
 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+0x375/0xe30 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:959 [inline]
 tty_write+0x3f0/0x700 drivers/tty/tty_io.c:1043
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x192/0x4e0 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+0x42/0xb7
RIP: 0033:0x45c829
RSP: 002b:00007f9889c70c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000050c660 RCX: 000000000045c829
RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000cea R14: 00000000004cf16f R15: 00007f9889c716d4
Code: 22 26 00 00 8b 8d 8c 03 00 00 8b 95 34 03 00 00 0f b7 85 c8 03 00 00 48 29 ca 48 2b 54 24 08 44 89 f1 d1 e9 48 01 d2 49 8d 3c 17 <f3> 66 ab 48 8d bd 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 
RIP: memset16 arch/x86/include/asm/string_64.h:58 [inline] RSP: ffff888053fbf8d8
RIP: scr_memsetw include/linux/vt_buffer.h:36 [inline] RSP: ffff888053fbf8d8
RIP: delete_char drivers/tty/vt/vt.c:547 [inline] RSP: ffff888053fbf8d8
RIP: csi_P drivers/tty/vt/vt.c:1661 [inline] RSP: ffff888053fbf8d8
RIP: do_con_trol+0x2ded/0x5450 drivers/tty/vt/vt.c:2035 RSP: ffff888053fbf8d8
CR2: ffffffff0000000e
---[ end trace f277b6118fa5d7cb ]---