r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='map_files\x00') stat(&(0x7f0000000340)='.\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0xffffffffffffffff, r1, 0x0) openat$cgroup_type(r0, &(0x7f0000002080), 0x2, 0x0)