r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
mremap(&(0x7f0000871000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000ffd000/0x1000)=nil)
mmap(&(0x7f0000874000/0x1000)=nil, 0x1000, 0x7, 0x12, r0, 0x0)