prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000))
r0 = shmget$private(0x0, 0x3000, 0x0, &(0x7f0000ffd000/0x3000)=nil)
r1 = shmat(r0, &(0x7f0000ffd000/0x3000)=nil, 0x76c319a25c31f288)
shmdt(r1)