r0 = shmget$private(0x0, 0xc00000, 0x0, &(0x7f0000400000/0xc00000)=nil)
shmctl$SHM_LOCK(r0, 0xb)
shmat(r0, &(0x7f000069b000/0x4000)=nil, 0x5800)
mlock(&(0x7f0000ffd000/0x2000)=nil, 0x2000)
munlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000)
madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x15)
shmctl$SHM_UNLOCK(r0, 0xc)