BUG: memory leak
unreferenced object 0xffff88810d62b800 (size 1024):
  comm "syz-executor.7", pid 7407, jiffies 4294944083 (age 10.710s)
  hex dump (first 32 bytes):
    01 54 00 00 01 00 00 00 00 00 00 00 00 00 00 00  .T..............
    c0 50 82 19 82 88 ff ff e0 a1 9b 83 ff ff ff ff  .P..............
  backtrace:
    [<00000000f17bffac>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000f17bffac>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000f17bffac>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000f17bffac>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000001eef80b0>] kmalloc include/linux/slab.h:556 [inline]
    [<000000001eef80b0>] kzalloc include/linux/slab.h:690 [inline]
    [<000000001eef80b0>] alloc_tty_struct+0x3f/0x290 drivers/tty/tty_io.c:2975
    [<00000000ab09e689>] tty_init_dev drivers/tty/tty_io.c:1333 [inline]
    [<00000000ab09e689>] tty_init_dev+0x4b/0x210 drivers/tty/tty_io.c:1317
    [<00000000b083482f>] ptmx_open drivers/tty/pty.c:845 [inline]
    [<00000000b083482f>] ptmx_open+0xba/0x1c0 drivers/tty/pty.c:811
    [<000000006406432e>] chrdev_open+0xe3/0x290 fs/char_dev.c:414
    [<00000000fc3d946c>] do_dentry_open+0x199/0x500 fs/open.c:797
    [<000000008fa63fae>] vfs_open+0x35/0x40 fs/open.c:914
    [<00000000707aede9>] do_last fs/namei.c:3408 [inline]
    [<00000000707aede9>] path_openat+0x854/0x1e30 fs/namei.c:3525
    [<0000000053f890da>] do_filp_open+0xaa/0x130 fs/namei.c:3555
    [<000000002711fbd0>] do_sys_open+0x253/0x330 fs/open.c:1097
    [<0000000056750365>] __do_sys_openat fs/open.c:1124 [inline]
    [<0000000056750365>] __se_sys_openat fs/open.c:1118 [inline]
    [<0000000056750365>] __x64_sys_openat+0x24/0x30 fs/open.c:1118
    [<0000000019d13a9d>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<0000000002c380b6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810cfc2e00 (size 512):
  comm "syz-executor.7", pid 7407, jiffies 4294944083 (age 10.710s)
  hex dump (first 32 bytes):
    50 2e fc 0c 81 88 ff ff e0 ff ff ff 0f 00 00 00  P...............
    10 2e fc 0c 81 88 ff ff 10 2e fc 0c 81 88 ff ff  ................
  backtrace:
    [<00000000f17bffac>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000f17bffac>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000f17bffac>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000f17bffac>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<00000000c2e04f88>] kmalloc include/linux/slab.h:556 [inline]
    [<00000000c2e04f88>] pty_common_install+0x67/0x2b0 drivers/tty/pty.c:392
    [<000000006998431c>] pty_unix98_install+0x20/0x30 drivers/tty/pty.c:740
    [<0000000018c9ad24>] tty_driver_install_tty drivers/tty/tty_io.c:1227 [inline]
    [<0000000018c9ad24>] tty_init_dev drivers/tty/tty_io.c:1340 [inline]
    [<0000000018c9ad24>] tty_init_dev+0x86/0x210 drivers/tty/tty_io.c:1317
    [<00000000b083482f>] ptmx_open drivers/tty/pty.c:845 [inline]
    [<00000000b083482f>] ptmx_open+0xba/0x1c0 drivers/tty/pty.c:811
    [<000000006406432e>] chrdev_open+0xe3/0x290 fs/char_dev.c:414
    [<00000000fc3d946c>] do_dentry_open+0x199/0x500 fs/open.c:797
    [<000000008fa63fae>] vfs_open+0x35/0x40 fs/open.c:914
    [<00000000707aede9>] do_last fs/namei.c:3408 [inline]
    [<00000000707aede9>] path_openat+0x854/0x1e30 fs/namei.c:3525
    [<0000000053f890da>] do_filp_open+0xaa/0x130 fs/namei.c:3555
    [<000000002711fbd0>] do_sys_open+0x253/0x330 fs/open.c:1097
    [<0000000056750365>] __do_sys_openat fs/open.c:1124 [inline]
    [<0000000056750365>] __se_sys_openat fs/open.c:1118 [inline]
    [<0000000056750365>] __x64_sys_openat+0x24/0x30 fs/open.c:1118
    [<0000000019d13a9d>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<0000000002c380b6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9