perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
unshare(0x42000000)
BUG: memory leak
unreferenced object 0xffff8880474ed1a0 (size 144):
  comm "syz-executor.0", pid 10930, jiffies 4296649532 (age 22.036s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 23 0c 08 65 00 00 00 00  ........#..e....
    9e 2d 5c 11 00 00 00 00 23 0c 08 65 00 00 00 00  .-\.....#..e....
  backtrace:
    [<00000000d99dd49b>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000d99dd49b>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000cce868be>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000cce868be>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000085536fa0>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000004f7d6cd7>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000095780bbe>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000e665ce66>] kernfs_new_node+0x93/0x120 fs/kernfs/dir.c:699
    [<000000004032af9a>] __kernfs_create_file+0x51/0x350 fs/kernfs/file.c:985
    [<00000000e7e8a37d>] cgroup_add_file kernel/cgroup/cgroup.c:3943 [inline]
    [<00000000e7e8a37d>] cgroup_addrm_files+0x3c8/0x9b0 kernel/cgroup/cgroup.c:4003
    [<00000000169b6011>] css_populate_dir+0x304/0x460 kernel/cgroup/cgroup.c:1687
    [<000000005558aced>] cgroup_mkdir+0xa36/0xf50 kernel/cgroup/cgroup.c:5493
    [<00000000444f7c35>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1136
    [<000000009f2028e5>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<000000005a95bed4>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<00000000695a6d0d>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000e09d592a>] entry_SYSCALL_64_after_hwframe+0x62/0xc7

BUG: leak checking failed