kc3-lang/libxkbcommon/fuzz/fuzz.sh

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  Commit

• Author : Ran Benita
  Date : 2018-03-11 00:04:05
  Hash : 2cb5c2a3
  Message : Add fuzzing infrastructure Though text formats aren't exactly fuzzer's strong suit, fuzzers can catch many surface-level bugs. The fuzz/ directory contains target programs, testcases and dictionaries to drive the afl fuzzer. This commit adds a fuzzer for the XKB keymap text format and the Compose text format. On my slow machine, using a single core, a full cycle of the XKB fuzzer takes 5 hours. For Compose, it takes a few minutes. Fuzzing for the other file formats (rules files mostly) will be added later. To do some fuzzing, run `./fuzz/fuzz.sh`. Signed-off-by: Ran Benita <ran234@gmail.com>

• fuzz/fuzz.sh

• #!/bin/sh
  set -e
  
  case "$1" in
      keymap|compose)
          ;;
      *)
          echo "usage: $0 keymap|compose" 1>&2
          exit 1
          ;;
  esac
  
  export CC=afl-clang-fast
  export AFL_HARDEN=1
  test -d fuzz/build || meson setup -Db_lto=true fuzz/build
  ninja -C fuzz/build
  afl-fuzz -i fuzz/$1/testcases -x fuzz/$1/dict -o fuzz/$1/findings -t 200 -m 10 -- ./fuzz/build/fuzz-$1 @@