r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/devices.allow\x00', 0x2, 0x0)
r1 = socket$nl_xfrm(0x10, 0x3, 0x6)
getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={0x0, <r2=>0x0}, &(0x7f0000000040)=0x5)
setuid(r2)
pwrite64(r0, &(0x7f00000002c0)='m', 0x1, 0x0)