prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000)) openat2$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x240}, 0x18)