BUG: memory leak unreferenced object 0xffff88800ea75b60 (size 144): comm "syz-executor.2", pid 40899, jiffies 4297794979 (age 22.096s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 59 7f 65 00 00 00 00 .........Y.e.... 17 e7 b5 11 00 00 00 00 00 59 7f 65 00 00 00 00 .........Y.e.... backtrace: [<0000000029041e75>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<0000000029041e75>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 [<00000000dc630ee2>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<00000000dc630ee2>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 [<00000000b8a5979f>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522 [<00000000d3fe80b0>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 [<000000002ff9577e>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674 [<00000000d653c4f0>] kernfs_new_node fs/kernfs/dir.c:699 [inline] [<00000000d653c4f0>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1035 [<00000000eb7e6677>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<00000000eb7e6677>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline] [<00000000eb7e6677>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477 [<000000004bdfdefb>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1136 [<00000000f767df10>] vfs_mkdir+0x493/0x700 fs/namei.c:3712 [<000000002ce491ab>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734 [<0000000027eb7fc1>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000fb7f6091>] entry_SYSCALL_64_after_hwframe+0x62/0xc7 BUG: leak checking failed