r0 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ff6000/0x4000)=nil)
shmat(r0, &(0x7f0000ffe000/0x2000)=nil, 0x4000)
mlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000)
madvise(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x17)
madvise(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x17)