BUG: memory leak
unreferenced object 0xffff888124852c00 (size 1024):
  comm "syz-executor.3", pid 10316, jiffies 4294961216 (age 12.120s)
  hex dump (first 32 bytes):
    01 54 00 00 01 00 00 00 00 14 ac 42 81 88 ff ff  .T.........B....
    80 aa 6c 42 81 88 ff ff 00 e2 a2 84 ff ff ff ff  ..lB............
  backtrace:
    [<00000000c1d391d8>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000c1d391d8>] kzalloc include/linux/slab.h:664 [inline]
    [<00000000c1d391d8>] alloc_tty_struct+0x3c/0x2e0 drivers/tty/tty_io.c:2985
    [<00000000817c8abc>] tty_init_dev.part.0+0x20/0x250 drivers/tty/tty_io.c:1335
    [<00000000dfb9da7d>] tty_init_dev drivers/tty/tty_io.c:2084 [inline]
    [<00000000dfb9da7d>] tty_open_by_driver drivers/tty/tty_io.c:1985 [inline]
    [<00000000dfb9da7d>] tty_open+0x95e/0x9d0 drivers/tty/tty_io.c:2033
    [<00000000599dcb19>] chrdev_open+0x10d/0x340 fs/char_dev.c:414
    [<0000000001d5a61d>] do_dentry_open+0x1e6/0x620 fs/open.c:817
    [<000000004031db91>] do_open fs/namei.c:3252 [inline]
    [<000000004031db91>] path_openat+0x74a/0x1b00 fs/namei.c:3369
    [<00000000daba2d2d>] do_filp_open+0xa0/0x190 fs/namei.c:3396
    [<0000000035e79306>] do_sys_openat2+0xed/0x230 fs/open.c:1168
    [<0000000067d24ec6>] do_sys_open fs/open.c:1184 [inline]
    [<0000000067d24ec6>] __do_sys_openat fs/open.c:1200 [inline]
    [<0000000067d24ec6>] __se_sys_openat fs/open.c:1195 [inline]
    [<0000000067d24ec6>] __x64_sys_openat+0x7f/0xe0 fs/open.c:1195
    [<000000004016ce4c>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000048871fbb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9