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Add fuzz testing using american fuzzy lop

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Existing tests: block, transaction, signature, cold outputs,
cold transaction.

Data for these is in tests/data/fuzz.

A convenience shell script is in contrib/fuzz_testing/fuzz.sh, eg:

contrib/fuzz_testing/fuzz.sh signature

The fuzzer will run indefinitely, ^C to stop.

Fuzzing is currently supported for GCC only. I can't get CLANG
to build Monero here as it dies on some system headers, so if
someone wants to make it work on both, that'd be great.
In particular, the __AFL_LOOP construct should be made to work
so that a given run can fuzz multiple inputs, as the C++ load
time is substantial.
This commit is contained in:
moneromooo-monero 2017-06-24 12:38:41 +01:00
parent ae8841f2ab
commit 841231e5bd
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21
contrib/fuzz_testing/fuzz.sh Executable file
View file

@ -0,0 +1,21 @@
#!/bin/sh
AFLFUZZ=$(which afl-fuzz)
if ! test -x "$AFLFUZZ"
then
echo "afl-fuzz not found - install american-fuzzy-lop"
exit 1
fi
type="$1"
if test -z "$type"
then
echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction"
exit 1
fi
case "$type" in
block|transaction|signature|cold-outputs|cold-transaction) ;;
*) echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction"; exit 1 ;;
esac
afl-fuzz -i tests/data/fuzz/$type -m 150 -t 250 -o fuzz-out/$type build/fuzz/tests/fuzz/${type}_fuzz_tests