BUG: unable to handle page fault for address: ffffffff0000000e
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 927c067 P4D 927c067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21866 Comm: syz-executor.1 Not tainted 5.7.0-rc4-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:854 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:2008 [inline]
RIP: 0010:do_con_trol drivers/tty/vt/vt.c:2402 [inline]
RIP: 0010:do_con_write+0x94d2/0xf2d0 drivers/tty/vt/vt.c:2818
Code: 00 00 00 00 fc ff df 8a 04 08 84 c0 0f 85 58 4b 00 00 48 8b 84 24 a0 00 00 00 0f b7 00 41 81 e6 ff ff ff 7f 4c 89 f1 48 89 df <f3> 66 ab 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 8a 04 01 84
RSP: 0018:ffffc90008d778e0 EFLAGS: 00010202
RAX: 0000000000000e20 RBX: ffffffff0000000e RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: ffffc90008d77bd0 R08: ffffffff83fc5b9a R09: ffffffff83fc3506
R10: ffff88804df80100 R11: 000000000000001c R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000100000010
FS:  00007f7907468700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 000000005b7d9000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 con_write+0x20/0x40 drivers/tty/vt/vt.c:3154
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0xcbf/0x1170 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x593/0x940 drivers/tty/tty_io.c:1046
 __vfs_write+0xa7/0x710 fs/read_write.c:495
 vfs_write+0x274/0x580 fs/read_write.c:559
 ksys_write+0x11b/0x220 fs/read_write.c:612
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c829
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f7907467c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000050c3c0 RCX: 000000000045c829
RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000006
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000ce2 R14: 00000000004cf0e0 R15: 00007f79074686d4
Modules linked in:
CR2: ffffffff0000000e
---[ end trace 04fd1b526ce95573 ]---
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:854 [inline]
RIP: 0010:csi_P drivers/tty/vt/vt.c:2008 [inline]
RIP: 0010:do_con_trol drivers/tty/vt/vt.c:2402 [inline]
RIP: 0010:do_con_write+0x94d2/0xf2d0 drivers/tty/vt/vt.c:2818
Code: 00 00 00 00 fc ff df 8a 04 08 84 c0 0f 85 58 4b 00 00 48 8b 84 24 a0 00 00 00 0f b7 00 41 81 e6 ff ff ff 7f 4c 89 f1 48 89 df <f3> 66 ab 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 8a 04 01 84
RSP: 0018:ffffc90008d778e0 EFLAGS: 00010202
RAX: 0000000000000e20 RBX: ffffffff0000000e RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000100000010 RDI: ffffffff0000000e
RBP: ffffc90008d77bd0 R08: ffffffff83fc5b9a R09: ffffffff83fc3506
R10: ffff88804df80100 R11: 000000000000001c R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000100000010
FS:  00007f7907468700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff0000000e CR3: 000000005b7d9000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400