ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x4008240b, &(0x7f0000000000)) sendfile(r0, r1, 0x0, 0x20d315) BUG: memory leak unreferenced object 0xffff88804d880750 (size 144): comm "syz-executor.6", pid 11899, jiffies 4295966966 (age 29.083s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 a8 ef 25 66 00 00 00 00 ..........%f.... e8 85 cd 12 00 00 00 00 a8 ef 25 66 00 00 00 00 ..........%f.... backtrace: [<000000007565a092>] kmem_cache_zalloc include/linux/slab.h:654 [inline] [<000000007565a092>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 [<00000000d140b3b0>] kernfs_iattrs fs/kernfs/inode.c:66 [inline] [<00000000d140b3b0>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 [<000000007b67de2b>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522 [<0000000015ab5382>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 [<000000009536f360>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674 [<000000002980d3d6>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 [<00000000a6a31142>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047 [<00000000fb376f97>] kernfs_create_dir include/linux/kernfs.h:561 [inline] [<00000000fb376f97>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline] [<00000000fb376f97>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477 [<000000006c2425f0>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148 [<00000000695e1b93>] vfs_mkdir+0x493/0x700 fs/namei.c:3706 [<00000000215e3835>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728 [<00000000384ee0fa>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<000000004ec0b0cd>] entry_SYSCALL_64_after_hwframe+0x67/0xcc BUG: leak checking failed