r0 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil)
shmat(r0, &(0x7f0000ffc000/0x3000)=nil, 0x6000)
mremap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000, 0x3, &(0x7f0000ffc000/0x1000)=nil)