r0 = shmget$private(0x0, 0xc00000, 0x0, &(0x7f0000400000/0xc00000)=nil)
shmat(r0, &(0x7f0000ff9000/0x4000)=nil, 0x4000)
mremap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000, 0x3, &(0x7f000092b000/0x2000)=nil)