BUG: memory leak unreferenced object 0xffff88800e135b60 (size 144): comm "syz-executor.0", pid 10505, jiffies 4296514110 (age 20.091s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 50 f7 92 66 00 00 00 00 ........P..f.... c5 3f 10 34 00 00 00 00 50 f7 92 66 00 00 00 00 .?.4....P..f.... backtrace: [<00000000a0c28499>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<00000000a0c28499>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 [<000000003d91b1a7>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<000000003d91b1a7>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 [<000000007d9982b5>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522 [<000000009e05b6b2>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 [<00000000fc861278>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674 [<000000008b829764>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 [<000000000b20a88a>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047 [<00000000f35e987c>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<00000000f35e987c>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline] [<00000000f35e987c>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477 [<00000000a44c2a28>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148 [<00000000159b76c9>] vfs_mkdir+0x493/0x750 fs/namei.c:3706 [<0000000042e909ae>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728 [<00000000956f8af6>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000fb38d074>] entry_SYSCALL_64_after_hwframe+0x67/0xd1 BUG: leak checking failed