sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x20, 0x15, 0x1, 0x0, 0x0, {0xa}, [@typed={0x8, 0x0, 0x0, 0x0, @fd=r7}, @nested={0x4}]}, 0x20}}, 0x0) BUG: memory leak unreferenced object 0xffff88800e7479c0 (size 144): comm "syz-executor.4", pid 12601, jiffies 4296801434 (age 21.410s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 41 08 7b 63 00 00 00 00 ........A.{c.... 47 f7 fc 15 00 00 00 00 41 08 7b 63 00 00 00 00 G.......A.{c.... backtrace: [<000000006cb22ebb>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<000000006cb22ebb>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 [<00000000585d704c>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<00000000585d704c>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 [<00000000140bffec>] selinux_kernfs_init_security+0x268/0x4c0 security/selinux/hooks.c:3522 [<0000000048472488>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 [<00000000ec11f508>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674 [<00000000633ecb98>] kernfs_new_node fs/kernfs/dir.c:697 [inline] [<00000000633ecb98>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033 [<0000000000342851>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<0000000000342851>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline] [<0000000000342851>] cgroup_mkdir+0x318/0xfc0 kernel/cgroup/cgroup.c:5462 [<00000000680cff4e>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134 [<0000000063ce8f0e>] vfs_mkdir+0x41f/0x660 fs/namei.c:3645 [<00000000abcfcbd2>] do_mkdirat+0x145/0x2a0 fs/namei.c:3668 [<0000000078c83d15>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<000000008bf44abd>] entry_SYSCALL_64_after_hwframe+0x61/0xc6 BUG: leak checking failed