0000001d80)={0x2, 0x80, 0x13, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = openat$tun(0xffffffffffffff9c, 0x0, 0x20000, 0x0)
dup2(r0, r1)
BUG: memory leak
unreferenced object 0xffff888047acf000 (size 144):
  comm "syz-executor.0", pid 16599, jiffies 4298141537 (age 20.702s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 b6 7a 4f 67 00 00 00 00  .........zOg....
    bc 30 5d 13 00 00 00 00 b6 7a 4f 67 00 00 00 00  .0]......zOg....
  backtrace:
    [<0000000038b420c5>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<0000000038b420c5>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000f84380a0>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000f84380a0>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000386b0303>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000e6772ab7>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000817b1fbb>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<000000008a8fb3e2>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000ae49b454>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000a14ad6af>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000a14ad6af>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000a14ad6af>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5477
    [<0000000065534438>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000347cad2c>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000dc30acf8>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000008779749b>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000009efcaa46>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed