BUG: memory leak
unreferenced object 0xffff888124c74400 (size 1024):
  comm "syz-executor.2", pid 10261, jiffies 4294958357 (age 11.710s)
  hex dump (first 32 bytes):
    01 54 00 00 01 00 00 00 00 48 d7 42 81 88 ff ff  .T.......H.B....
    00 9c c2 42 81 88 ff ff 00 e2 a2 84 ff ff ff ff  ...B............
  backtrace:
    [<00000000154d2b11>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000154d2b11>] kzalloc include/linux/slab.h:664 [inline]
    [<00000000154d2b11>] alloc_tty_struct+0x3c/0x2e0 drivers/tty/tty_io.c:2985
    [<0000000072cc123c>] tty_init_dev.part.0+0x20/0x250 drivers/tty/tty_io.c:1335
    [<00000000636a9267>] tty_init_dev drivers/tty/tty_io.c:2084 [inline]
    [<00000000636a9267>] tty_open_by_driver drivers/tty/tty_io.c:1985 [inline]
    [<00000000636a9267>] tty_open+0x95e/0x9d0 drivers/tty/tty_io.c:2033
    [<00000000cb49247d>] chrdev_open+0x10d/0x340 fs/char_dev.c:414
    [<000000003dbe80fb>] do_dentry_open+0x1e6/0x620 fs/open.c:817
    [<0000000076c0c3df>] do_open fs/namei.c:3252 [inline]
    [<0000000076c0c3df>] path_openat+0x74a/0x1b00 fs/namei.c:3369
    [<00000000957a8e11>] do_filp_open+0xa0/0x190 fs/namei.c:3396
    [<000000001bc6579d>] do_sys_openat2+0xed/0x230 fs/open.c:1168
    [<000000008c5155d0>] do_sys_open fs/open.c:1184 [inline]
    [<000000008c5155d0>] __do_sys_openat fs/open.c:1200 [inline]
    [<000000008c5155d0>] __se_sys_openat fs/open.c:1195 [inline]
    [<000000008c5155d0>] __x64_sys_openat+0x7f/0xe0 fs/open.c:1195
    [<000000001c1b55c9>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000c9a2085b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9