BUG: memory leak unreferenced object 0xffff8880175141a0 (size 144): comm "syz-executor.2", pid 21960, jiffies 4296714858 (age 19.191s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e1 42 f2 62 00 00 00 00 .........B.b.... 6d 3d c1 05 00 00 00 00 e1 42 f2 62 00 00 00 00 m=.......B.b.... backtrace: [<000000004add5ced>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<000000004add5ced>] __kernfs_iattrs+0xb8/0x460 fs/kernfs/inode.c:43 [<00000000b9c6333b>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<00000000b9c6333b>] kernfs_xattr_set+0x2b/0x70 fs/kernfs/inode.c:304 [<00000000016b8cd6>] selinux_kernfs_init_security+0x268/0x4c0 security/selinux/hooks.c:3522 [<0000000048a9c5f4>] security_kernfs_init_security+0x4e/0xa0 security/security.c:1456 [<000000009d70138d>] __kernfs_new_node+0x531/0x840 fs/kernfs/dir.c:674 [<000000000533f4cb>] kernfs_new_node fs/kernfs/dir.c:697 [inline] [<000000000533f4cb>] kernfs_create_dir_ns+0x9c/0x220 fs/kernfs/dir.c:1033 [<000000009c8176fd>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<000000009c8176fd>] cgroup_create kernel/cgroup/cgroup.c:5278 [inline] [<000000009c8176fd>] cgroup_mkdir+0x318/0xfc0 kernel/cgroup/cgroup.c:5412 [<000000000d0f5323>] kernfs_iop_mkdir+0x149/0x1d0 fs/kernfs/dir.c:1134 [<00000000b856be33>] vfs_mkdir+0x41f/0x660 fs/namei.c:3641 [<00000000cdc9fee2>] do_mkdirat+0x145/0x2a0 fs/namei.c:3664 [<00000000627c94ae>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000ea095208>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: leak checking failed