uname(0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) rseq(0x0, 0x0, 0x0, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup.net/syz1\x00', 0x1ff) add_key$keyring(&(0x7f00000000c0), &(0x7f0000000300)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffc)