r0 = shmget$private(0x0, 0x5000, 0x0, &(0x7f0000ffb000/0x5000)=nil)
r1 = shmget$private(0x0, 0x5000, 0x0, &(0x7f0000ffb000/0x5000)=nil)
shmat(r1, &(0x7f0000ffb000/0x4000)=nil, 0x4000)
r2 = shmat(r0, &(0x7f0000ff6000/0x3000)=nil, 0x4000)
mremap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000ff7000/0x1000)=nil)
shmdt(r2)