问题描述
我想用 afL++/二进制模糊测试做一些实验。我安装了它并运行 build_qemu_support.sh，但如果我尝试对二进制文件进行模糊测试，仍然会出现错误消息。
命令：
afl-fuzz -Q -i /usr/tests/ -o /usr/tests/output -- ./bin/apt -d @@
输出：
[+] Loaded environment variable AFL_SKIP_cpuFREQ with value 1
[+] Loaded environment variable AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES with value 1 afl-fuzz++3.13a based on afl by Michal Zalewski and a large online community
[+] afL++ is maintained by marc "van Hauser" Heuse,Heiko "hexcoder" Eißfeldt,Andrea Fioraldi and Dominik Maier
[+] afL++ is open source,get it at https://github.com/AFLplusplus/AFLplusplus
[+] NOTE: This is v3.x which changes defaults and behavIoUrs - see README.md
[+] No -M/-S set,autoconfiguring for "-S default"
[*] Getting to work...
[+] Using exponential power schedule (FAST)
[+] Enabled testcache with 50 MB
[*] Checking core_pattern...
[+] You have 4 cpu cores and 1 runnable tasks (utilization: 25%).
[+] Try parallel jobs - see /usr/local/share/doc/afl/parallel_fuzzing.md.
[*] Setting up output directories...
[+] Output directory exists but deemed OK to reuse.
[*] Deleting old session data...
[+] Output dir cleanup successful.
[*] Checking cpu core loadout...
[+] Found a free cpu core,try binding to #0.
[*] Scanning '/usr/tests/'...
[*] Scanning '/usr/tests//output'...
[*] Scanning '/usr/tests//output/default'...
[*] Scanning '/usr/tests//output/default/crashes'...
[*] Scanning '/usr/tests//output/default/hangs'...
[*] Scanning '/usr/tests//output/default/queue'...
[+] Loaded a total of 4 seeds.
[*] Creating hard links for all input files...
[*] Validating target binary...
[-] PROGRAM ABORT : Program './bin/apt' not found or not executable
Location : check_binary(),src/afl-fuzz-init.c:2579
怎么了？
解决方法
错误提示找不到 ./bin/apt。当您想模糊 apt 时，请改用 ./usr/bin/apt。