prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000040))
msgsnd(0x0, &(0x7f0000001440)={0x3}, 0x8, 0x0)
msgctl$IPC_SET(0x0, 0x1, 0x0)