RAX: ffffffffffffffda RBX: 00007f18a0fd36d4 RCX: 0000000000455979
RDX: 0000000000105080 RSI: 00000000200003c0 RDI: ffffffffffffff9c
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013
R13: 0000000000000443 R14: 00000000006f96e8 R15: 0000000000000004
Kernel panic - not syncing: n_tty: init_tty
CPU: 1 PID: 11266 Comm: syz-executor5 Not tainted 4.16.0+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 panic+0x39d/0x940 kernel/panic.c:183
 tty_ldisc_init+0x123/0x130 drivers/tty/tty_ldisc.c:831
 alloc_tty_struct+0x11e/0xc10 drivers/tty/tty_io.c:2819
 tty_init_dev+0xd3/0x1020 drivers/tty/tty_io.c:1317
 ptmx_open+0x2bf/0x7a0 drivers/tty/pty.c:832
 chrdev_open+0xc20/0xd90 fs/char_dev.c:417
 do_dentry_open+0xcc6/0x1430 fs/open.c:752
 vfs_open+0x1b7/0x2e0 fs/open.c:866
 do_last fs/namei.c:3379 [inline]
 path_openat+0x481d/0x6610 fs/namei.c:3520
 do_filp_open+0x261/0x640 fs/namei.c:3554
 do_sys_open+0x624/0x960 fs/open.c:1059
 SYSC_openat+0xc7/0xe0 fs/open.c:1086
 SyS_openat+0x63/0x90 fs/open.c:1080
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455979
RSP: 002b:00007f18a0fd2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f18a0fd36d4 RCX: 0000000000455979
RDX: 0000000000105080 RSI: 00000000200003c0 RDI: ffffffffffffff9c
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013
R13: 0000000000000443 R14: 00000000006f96e8 R15: 0000000000000004
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..