prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000040))
r0 = shmget$private(0x0, 0x5000, 0x0, &(0x7f0000ffb000/0x5000)=nil)
shmctl$IPC_RMID(r0, 0x0)