general protection fault, probably for non-canonical address 0xdffffc0020000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x0000000100000008-0x000000010000000f]
CPU: 0 PID: 9796 Comm: syz-executor243 Not tainted 5.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:do_con_write.part.0+0xa01/0x1ef0 drivers/tty/vt/vt.c:2760
Code: 7e fe ff ff 45 01 ef e8 9d 44 81 fd 48 8b 85 c8 fe ff ff 80 38 00 0f 85 71 12 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffffc9000629f9d0 EFLAGS: 00010203
RAX: 0000000020000001 RBX: 000000010000000e RCX: ffffffff83f44920
RDX: 0000000000000000 RSI: ffffffff83f44973 RDI: 0000000000000003
RBP: ffffc9000629fb60 R08: ffff88808d6f4440 R09: ffff88808d6f4cd0
R10: fffffbfff154b478 R11: ffffffff8aa5a3c7 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88809fcc1000 R15: 000000000000074d
FS:  0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000098dd840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000180 CR3: 000000009fc6e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 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]
 __ia32_sys_write+0x71/0xb0 fs/read_write.c:620
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x27b/0xe16 arch/x86/entry/common.c:408
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f93e39
Code: 1d 00 00 00 89 d3 5b 5e 5d c3 8b 04 24 c3 8b 1c 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffd5434c EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020002b40
RDX: 0000000000000002 RSI: 00000000080eb080 RDI: 00000000ffd543a0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 129ce2795d491d17 ]---
RIP: 0010:do_con_write.part.0+0xa01/0x1ef0 drivers/tty/vt/vt.c:2760
Code: 7e fe ff ff 45 01 ef e8 9d 44 81 fd 48 8b 85 c8 fe ff ff 80 38 00 0f 85 71 12 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffffc9000629f9d0 EFLAGS: 00010203
RAX: 0000000020000001 RBX: 000000010000000e RCX: ffffffff83f44920
RDX: 0000000000000000 RSI: ffffffff83f44973 RDI: 0000000000000003
RBP: ffffc9000629fb60 R08: ffff88808d6f4440 R09: ffff88808d6f4cd0
R10: fffffbfff154b478 R11: ffffffff8aa5a3c7 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88809fcc1000 R15: 000000000000074d
FS:  0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000098dd840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007fd99635c000 CR3: 000000009fc6e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400