feat(runtime-fuzzer): Optionally enable fuzzer logs (#3229)

gear-tech · Sep 7, 2023 · 9c515ef · 9c515ef
1 parent 103a8bf
commit 9c515ef
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Showing 4 changed files with 12 additions and 13 deletions.
diff --git a/Makefile b/Makefile
@@ -256,14 +256,6 @@ doc:
 		-p pallet-gear-program -p pallet-gear-rpc-runtime-api -p pallet-gear-rpc -p pallet-gear-scheduler -p gsdk
 	@ cp -f images/logo.svg target/doc/rust-logo.svg
 
-.PHONY: fuzz
-fuzz:
-	@ ./scripts/gear.sh test fuzz $(target)
-
-.PHONY: fuzz-vara #TODO 2434 test it works
-fuzz-vara:
-	@ ./scripts/gear.sh test fuzz --features=vara-native,lazy-pages --no-default-features $(target)
-
 .PHONY: kill-gear
 kill:
 	@ pkill -f 'gear |gear$' -9

diff --git a/scripts/check-fuzzer.sh b/scripts/check-fuzzer.sh
@@ -8,7 +8,7 @@ main() {
     dd if=/dev/urandom of=utils/runtime-fuzzer/fuzz/corpus/main/check-fuzzer-bytes bs=1 count=27000000
 
     echo " >> Running fuzzer with failpoint"
-    RUST_BACKTRACE=1 FAILPOINTS=fail_fuzzer=return ./scripts/gear.sh test fuzz > fuzz_run 2>&1
+    RUST_BACKTRACE=1 FAILPOINTS=fail_fuzzer=return ./scripts/gear.sh test fuzz "" wlogs > fuzz_run 2>&1
 
     echo " >> Checking fuzzer output"
     if cat fuzz_run | grep -qzP '(?s)(?=.*GasTree corrupted)(?=.*NodeAlreadyExists)(?=.*\Qpallet_gear::pallet::Pallet<T>>::consume_and_retrieve\E)' ; then

diff --git a/scripts/gear.sh b/scripts/gear.sh
@@ -299,7 +299,7 @@ case "$COMMAND" in
 
       fuzz)
         header "Running fuzzer for runtime panic checks"
-        run_fuzzer "$ROOT_DIR" "$1"; ;;
+        run_fuzzer "$ROOT_DIR" "$1" "$2"; ;;
 
       fuzz-repr)
         header "Running fuzzer reproduction"

diff --git a/scripts/src/test.sh b/scripts/src/test.sh
@@ -20,7 +20,9 @@ test_usage() {
     gcli           run gcli package tests
     pallet         run pallet-gear tests
     client         run client tests via gclient
-    fuzz           run fuzzer with a fuzz target
+    fuzz           run fuzzer
+                   The scripts accepts a path to corpus dir as a first param,
+                   and a "wlogs" flag to enable logs while fuzzing.
     fuzz-repr      run fuzzer reproduction test
     syscalls       run syscalls integrity test in benchmarking module of pallet-gear
     docs           run doc tests
@@ -85,9 +87,14 @@ run_fuzzer() {
   # Navigate to fuzzer dir
   cd $ROOT_DIR/utils/runtime-fuzzer
 
+  if [ "$3" = "wlogs" ]; then
+    LOG_TARGETS="debug,syscalls,gear_wasm_gen=trace,runtime_fuzzer=trace,gear_backend_common=trace"
+  else
+    LOG_TARGETS="off"
+  fi
+
   # Run fuzzer
-  RUST_LOG=debug,syscalls,gear_wasm_gen=trace,runtime_fuzzer=trace,gear_backend_common=trace \
-  cargo fuzz run --release --sanitizer=none main $CORPUS_DIR -- -rss_limit_mb=8192 -max_len=35000000 -len_control=0
+  RUST_LOG="$LOG_TARGETS" cargo fuzz run --release --sanitizer=none main $CORPUS_DIR -- -rss_limit_mb=8192 -max_len=35000000 -len_control=0
 }
 
 test_fuzzer_reproduction() {