tests/docker: add test-fuzz

Running the fuzzer requires some hoop jumping and some problems only
show up in containers. This basically replicates the build-oss-fuzz
job from our CI so we can run in the same containers we use in CI.

Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230630180423.558337-10-alex.bennee@linaro.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/docker/test-fuzz b/tests/docker/test-fuzz
new file mode 100755
index 0000000000..7e506ae1f6
--- /dev/null
+++ b/tests/docker/test-fuzz
@@ -0,0 +1,28 @@
+#!/bin/bash -e
+#
+# Compile and check with oss-fuzz.
+#
+# Copyright (c) 2023 Linaro Ltd.
+#
+# Authors:
+#  Alex Bennée <alex.bennee@linaro.org>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+. common.rc
+
+requires_binary clang
+
+# the build script runs out of $src so we need to copy across
+cd "$BUILD_DIR"
+cp -a $QEMU_SRC .
+cd src
+mkdir build-oss-fuzz
+export LSAN_OPTIONS=suppressions=scripts/oss-fuzz/lsan_suppressions.txt
+env CC="clang" CXX="clang++" CFLAGS="-fsanitize=address" ./scripts/oss-fuzz/build.sh
+export ASAN_OPTIONS="fast_unwind_on_malloc=0"
+for fuzzer in $(find ./build-oss-fuzz/DEST_DIR/ -executable -type f | grep -v slirp); do
+        grep "LLVMFuzzerTestOneInput" ${fuzzer} > /dev/null 2>&1 || continue ;
+        echo Testing ${fuzzer} ... ;
+        "${fuzzer}" -runs=1 -seed=1 || exit 1 ;
+done