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: 10088 Comm: syz-executor.4 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 83 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:ffffc90007b9f900 EFLAGS: 00010203
RAX: 0000000020000001 RBX: dffffc0000000000 RCX: ffffc9001281d000
RDX: 0000000000040000 RSI: ffffffff83edc80d RDI: 0000000000000003
RBP: 00000000000007fe R08: ffffffff83ecc490 R09: ffff88805a8dac88
R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000c
R13: 0000000000000000 R14: ffff8880a8dec000 R15: ffff8880a8dec3dc
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:00000000f5d9cb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033524000 CR3: 0000000087576000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 con_put_char+0x96/0xe0 drivers/tty/vt/vt.c:3169
 tty_put_char+0xb7/0x150 drivers/tty/tty_io.c:3031
 do_output_char+0x155/0x850 drivers/tty/n_tty.c:488
 process_output drivers/tty/n_tty.c:514 [inline]
 n_tty_write+0x481/0xf80 drivers/tty/n_tty.c:2345
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x4d9/0x870 drivers/tty/tty_io.c:1046
 vfs_write+0x2b0/0x6b0 fs/read_write.c:576
 ksys_write+0x12d/0x250 fs/read_write.c:631
 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: 0023:0xf7fa1569
Code: Bad RIP value.
RSP: 002b:00000000f5d9c0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240
RDX: 0000000000001006 RSI: 0000000000000000 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 d1bd6b2ede02b57f ]---
RIP: 0010:do_con_write+0x979/0x7400 drivers/tty/vt/vt.c:2786
Code: a4 24 ca 00 00 00 44 01 e5 e8 83 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:ffffc90007b9f900 EFLAGS: 00010203
RAX: 0000000020000001 RBX: dffffc0000000000 RCX: ffffc9001281d000
RDX: 0000000000040000 RSI: ffffffff83edc80d RDI: 0000000000000003
RBP: 00000000000007fe R08: ffffffff83ecc490 R09: ffff88805a8dac88
R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000c
R13: 0000000000000000 R14: ffff8880a8dec000 R15: ffff8880a8dec3dc
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:00000000f5d9cb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033524000 CR3: 0000000087576000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400