prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000))
msgsnd(0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="02"], 0x8, 0x0)
msgrcv(0x0, &(0x7f0000000140)={0x0, ""/6}, 0xe, 0x0, 0x0)