BUG: unable to handle page fault for address: ffffffff0000000e
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 9870067 P4D 9870067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 18315 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memset16 arch/x86/include/asm/string_64.h:25 [inline]
RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline]
RIP: 0010:delete_char drivers/tty/vt/vt.c:853 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:1985 [inline]
RIP: 0010:do_con_trol+0x410/0x61b0 drivers/tty/vt/vt.c:2379
Code: 03 00 00 41 8b 94 24 34 03 00 00 41 0f b7 84 24 c8 03 00 00 48 29 ca 48 2b 95 e8 fe ff ff 44 89 f9 d1 e9 48 01 d2 48 8d 3c 13 <f3> 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0
RSP: 0018:ffffc90004a9f8b0 EFLAGS: 00010287
RAX: 0000000000000720 RBX: 000000010000000e RCX: 0000000000000001
RDX: fffffffe00000000 RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: ffffc90004a9f9d0 R08: ffff8880557c22c0 R09: ffff8880557c2b50
R10: fffffbfff14f6998 R11: ffffffff8a7b4cc7 R12: ffff8880a8915000
R13: ffff8880a891538c R14: ffff8880a8915334 R15: 0000000000000002
FS:  00007f21f1b2d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 000000009b2af000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_con_write.part.0+0xfd9/0x1ef0 drivers/tty/vt/vt.c:2797
 do_con_write drivers/tty/vt/vt.c:2565 [inline]
 con_write+0x46/0xd0 drivers/tty/vt/vt.c:3135
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x40e/0x1080 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x496/0x7f0 drivers/tty/tty_io.c:1046
 __vfs_write+0x8a/0x110 fs/read_write.c:494
 vfs_write+0x268/0x5d0 fs/read_write.c:558
 ksys_write+0x14f/0x290 fs/read_write.c:611
 __do_sys_write fs/read_write.c:623 [inline]
 __se_sys_write fs/read_write.c:620 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:620
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45aff9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f21f1b2cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f21f1b2d6d4 RCX: 000000000045aff9
RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000c60 R14: 00000000004cd0b9 R15: 000000000075bf2c
Modules linked in:
CR2: ffffffff0000000e
---[ end trace 8fb239ff6c7bf189 ]---
RIP: 0010:memset16 arch/x86/include/asm/string_64.h:25 [inline]
RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline]
RIP: 0010:delete_char drivers/tty/vt/vt.c:853 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:1985 [inline]
RIP: 0010:do_con_trol+0x410/0x61b0 drivers/tty/vt/vt.c:2379
Code: 03 00 00 41 8b 94 24 34 03 00 00 41 0f b7 84 24 c8 03 00 00 48 29 ca 48 2b 95 e8 fe ff ff 44 89 f9 d1 e9 48 01 d2 48 8d 3c 13 <f3> 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0
RSP: 0018:ffffc90004a9f8b0 EFLAGS: 00010287
RAX: 0000000000000720 RBX: 000000010000000e RCX: 0000000000000001
RDX: fffffffe00000000 RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: ffffc90004a9f9d0 R08: ffff8880557c22c0 R09: ffff8880557c2b50
R10: fffffbfff14f6998 R11: ffffffff8a7b4cc7 R12: ffff8880a8915000
R13: ffff8880a891538c R14: ffff8880a8915334 R15: 0000000000000002
FS:  00007f21f1b2d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 000000009b2af000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400