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 9eeb7067 P4D 9eeb7067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 23705 Comm: syz-executor.2 Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888088228500 task.stack: ffff88806bc68000 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:ffff88806bc6f838 EFLAGS: 00010202 RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 1ffff1100de625f9 RSI: 000000010000000e RDI: 000000010000000e RBP: ffff88806bc6f868 R08: ffff88806f312fcc R09: 0000000000000002 R10: 0000000000000000 R11: ffff888088228500 R12: ffff88806f312c00 R13: ffff88806f312f8c R14: ffff88806f312f34 R15: 000000010000000e FS: 00007fc98c1f9700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000010000000e CR3: 00000000962c7000 CR4: 00000000001406f0 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: 0033:0x45b399 RSP: 002b:00007fc98c1f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fc98c1f96d4 RCX: 000000000045b399 RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000ca6 R14: 00000000004cd843 R15: 000000000075bf2c 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 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: ffff88806bc6f838 RIP: scr_memsetw include/linux/vt_buffer.h:36 [inline] RSP: ffff88806bc6f838 RIP: insert_char+0x107/0x290 drivers/tty/vt/vt.c:535 RSP: ffff88806bc6f838 CR2: 000000010000000e ---[ end trace 6d9b8a46e234b93f ]---