general protection fault, probably for non-canonical address 0xdffffc0020000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x0000000100000008-0x000000010000000f]
CPU: 1 PID: 26602 Comm: syz-executor.0 Not tainted 5.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:do_con_write+0x979/0x7400 drivers/tty/vt/vt.c:2786
Code: a4 24 ca 00 00 00 44 01 e5 e8 03 f4 85 fd 48 8b 44 24 50 80 38 00 0f 85 28 27 00 00 4d 8b a6 f0 03 00 00 4c 89 e0 48 c1 e8 03 <0f> b6 14 18 4c 89 e0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 13
RSP: 0018:ffffc900018e74d8 EFLAGS: 00010203
RAX: 0000000020000001 RBX: dffffc0000000000 RCX: ffffc90001b29000
RDX: 0000000000040000 RSI: ffffffff83edc88d RDI: 0000000000000003
RBP: 0000000000000765 R08: 0000000000000001 R09: ffff88805404abc8
R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000e
R13: 0000000000000000 R14: ffff888096435000 R15: ffff8880964353dc
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:00000000f5df2b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000810e1e0 CR3: 0000000091ef8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3159
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x3ce/0xf80 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x4d9/0x870 drivers/tty/tty_io.c:1046
 __kernel_write+0x199/0x500 fs/read_write.c:528
 write_pipe_buf+0x153/0x1f0 fs/splice.c:799
 splice_from_pipe_feed fs/splice.c:502 [inline]
 __splice_from_pipe+0x3dc/0x830 fs/splice.c:626
 splice_from_pipe fs/splice.c:661 [inline]
 default_file_splice_write fs/splice.c:811 [inline]
 do_splice_from fs/splice.c:847 [inline]
 direct_splice_actor+0x228/0x2f0 fs/splice.c:1016
 splice_direct_to_actor+0x38c/0x980 fs/splice.c:971
 do_splice_direct+0x1b3/0x280 fs/splice.c:1059
 do_sendfile+0x559/0xc30 fs/read_write.c:1540
 __do_compat_sys_sendfile fs/read_write.c:1616 [inline]
 __se_compat_sys_sendfile fs/read_write.c:1605 [inline]
 __ia32_compat_sys_sendfile+0x159/0x220 fs/read_write.c:1605
 do_syscall_32_irqs_on+0x3f/0x60 arch/x86/entry/common.c:428
 __do_fast_syscall_32 arch/x86/entry/common.c:475 [inline]
 do_fast_syscall_32+0x7f/0x120 arch/x86/entry/common.c:503
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7ff7569
Code: Bad RIP value.
RSP: 002b:00000000f5df20cc EFLAGS: 00000296 ORIG_RAX: 00000000000000bb
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000003
RDX: 0000000020000040 RSI: 00000000000000cd RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace e7704a154dc9d4a0 ]---
RIP: 0010:do_con_write+0x979/0x7400 drivers/tty/vt/vt.c:2786
Code: a4 24 ca 00 00 00 44 01 e5 e8 03 f4 85 fd 48 8b 44 24 50 80 38 00 0f 85 28 27 00 00 4d 8b a6 f0 03 00 00 4c 89 e0 48 c1 e8 03 <0f> b6 14 18 4c 89 e0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 13
RSP: 0018:ffffc900018e74d8 EFLAGS: 00010203
RAX: 0000000020000001 RBX: dffffc0000000000 RCX: ffffc90001b29000
RDX: 0000000000040000 RSI: ffffffff83edc88d RDI: 0000000000000003
RBP: 0000000000000765 R08: 0000000000000001 R09: ffff88805404abc8
R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000e
R13: 0000000000000000 R14: ffff888096435000 R15: ffff8880964353dc
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:00000000f5df2b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000081550f0 CR3: 0000000091ef8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400