According to Debian bugreport the problem is fixed in gcc-7/7.3.0-18, gcc-8/8.1.0-2
These versions can be installed from a ppa: https://launchpad.net/~ubuntu-toolchain-r/+archive/ppa $ sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa $ sudo upgrade $ gcc --version gcc (Ubuntu 7.3.0-18ubuntu0.1) 7.3.0 Now afl-gcc and afl-fuzz work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1774816 Title: afl-fuzz: target binary is not instrumented! (afl-gcc fault) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/afl/+bug/1774816/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs