shmat(0x0, &(0x7f0000ffb000/0x4000)=nil, 0x0)
shmat(0x0, &(0x7f0000ffb000/0x2000)=nil, 0x6000)
madvise(&(0x7f0000ffa000/0x2000)=nil, 0x2000, 0x3)