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.