BUG: memory leak unreferenced object 0xffff88801c959820 (size 144): comm "syz-executor.6", pid 11143, jiffies 4296586128 (age 25.099s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 51 9d bc 63 00 00 00 00 ........Q..c.... 6a 40 c2 18 00 00 00 00 51 9d bc 63 00 00 00 00 j@......Q..c.... backtrace: [<00000000086d0f60>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<00000000086d0f60>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 [<000000009bd36c62>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<000000009bd36c62>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 [<000000007c6684b6>] selinux_kernfs_init_security+0x268/0x4c0 security/selinux/hooks.c:3522 [<0000000073bcfd10>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 [<00000000028eddc6>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674 [<00000000919c83ae>] kernfs_new_node fs/kernfs/dir.c:697 [inline] [<00000000919c83ae>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033 [<0000000099bf5de9>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<0000000099bf5de9>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline] [<0000000099bf5de9>] cgroup_mkdir+0x318/0xfc0 kernel/cgroup/cgroup.c:5462 [<000000001da75eef>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134 [<00000000771ce51a>] vfs_mkdir+0x41f/0x660 fs/namei.c:3657 [<00000000fe67cd2a>] do_mkdirat+0x145/0x2a0 fs/namei.c:3680 [<0000000018fd1280>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<000000000af9b71d>] entry_SYSCALL_64_after_hwframe+0x61/0xc6 BUG: leak checking failed