r0 = shmget$private(0x0, 0x3000, 0x0, &(0x7f0000ffd000/0x3000)=nil)
shmat(r0, &(0x7f0000ffd000/0x1000)=nil, 0x4000)
mlock(&(0x7f0000ffd000/0x2000)=nil, 0x2000)
munlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000)
madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3)