BUG: memory leak unreferenced object 0xffff88801c3ac4e0 (size 144): comm "syz-executor.2", pid 10731, jiffies 4296639416 (age 19.715s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 d0 d6 5f 66 00 00 00 00 .........._f.... f2 d0 6a 27 00 00 00 00 d0 d6 5f 66 00 00 00 00 ..j'......_f.... backtrace: [<0000000055ed211a>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<0000000055ed211a>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 [<00000000d963a55b>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<00000000d963a55b>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 [<00000000360cfd53>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522 [<00000000b3324d95>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 [<00000000cfd1e5a8>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674 [<000000009a092268>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 [<00000000047148cf>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047 [<00000000e7f21415>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<00000000e7f21415>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline] [<00000000e7f21415>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477 [<0000000080274ec1>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148 [<00000000956006c6>] vfs_mkdir+0x493/0x700 fs/namei.c:3706 [<000000004e6ff025>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728 [<00000000cd0ef7c9>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<0000000068b307fc>] entry_SYSCALL_64_after_hwframe+0x67/0xd1 BUG: leak checking failed