fuzz: add argument to support other sanitizers

Allows for switching out zephyr configs for other sanitizers

Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>

app/boards/native_sim_libfuzzer.conf

@@ -8,7 +8,6 @@ CONFIG_SYS_HEAP_BIG_ONLY=y
 CONFIG_ZEPHYR_NATIVE_DRIVERS=y
 CONFIG_ARCH_POSIX_LIBFUZZER=y
 CONFIG_ZEPHYR_POSIX_FUZZ_TICKS=100
-CONFIG_ASAN=y
 
 # Override incompatible options found in sof/app/prj.conf
 # to silence build time warnings

app/configs/fuzz_asan.conf

@@ -0,0 +1 @@
+CONFIG_ASAN=y

scripts/fuzz.sh

@@ -12,6 +12,7 @@ Usage:
 
  -i4 Appends: -- -DCONFIG_IPC_MAJOR_4=y + fuzz_IPC4_features.conf
  -i3 See above
+ -s Which sanitizer to use, defaults to address
  -p Delete build-fuzz/ first ("pristine")
  -b Do not run/fuzz: stop after the build.
  -t n Fuzz for n seconds.
@@ -87,15 +88,17 @@ main()
  local BUILD_ONLY=false
  local FUZZER_STDOUT=/dev/stdout # bashism
  local TEST_DURATION=3
+ local SANITIZER=address
  local IPC
 
  # Parse "$@". getopts stops after '--'
- while getopts "i:hj:po:t:b" opt; do
+ while getopts "i:hj:ps:o:t:b" opt; do
  case "$opt" in
  i) IPC="$OPTARG";;
  h) print_help; exit 0;;
  j) if [ "$OPTARG" -eq 0 ]; then JOBS=$(nproc); else JOBS="$OPTARG"; fi;;
  p) PRISTINE=true;;
+ s) SANITIZER="$OPTARG";;
  o) FUZZER_STDOUT="$OPTARG";;
  t) TEST_DURATION="$OPTARG";;
  b) BUILD_ONLY=true;;
@@ -115,6 +118,11 @@ main()
  conf_files_list+=";configs/fuzz_IPC${IPC}_features.conf"
  fi
 
+ case $SANITIZER in
+ address) conf_files_list+=";configs/fuzz_asan.conf";;
+ *) echo "Unknown fuzzer type"; print_help; exit 1;;
+ esac
+
  # Note there's never any reason to delete fuzz_corpus/.
  # Don't trust `west build -p` because it is not 100% unreliable,
  # especially not when doing unusual toolchain things.