write$binfmt_elf64(r0, &(0x7f00000002c0)=ANY=[], 0xb92)
ioctl$SG_GET_NUM_WAITING(r0, 0x2276, &(0x7f0000000000))
BUG: memory leak
unreferenced object 0xffff88800fa268f0 (size 144):
  comm "syz-executor.1", pid 10834, jiffies 4296865334 (age 21.483s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 67 05 74 68 00 00 00 00  ........g.th....
    54 42 a3 2f 00 00 00 00 67 05 74 68 00 00 00 00  TB./....g.th....
  backtrace:
    [<0000000056d45192>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<0000000056d45192>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000004ee23085>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000004ee23085>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<000000002a5a20a4>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000009434a6ec>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000b3a8a218>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000067269e3e>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000006635876>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000fae60283>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000fae60283>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000fae60283>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<00000000a0230302>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000137f3450>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000dd0cb733>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<0000000015fd34eb>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000002b6af150>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed