Configure /dev/shm size for corpus tmpfs

Author: reytchison

deployment/crs-architecture.sh

@@ -106,6 +106,13 @@ up() {
 				echo -e "${GRN}Minikube cluster status:${NC}"
 				minikube status
 
+				# Resize /dev/shm inside minikube for corpus tmpfs storage.
+				# Minikube docker driver defaults to 64MB, which is too small for fuzzing corpus data
+				if [ -n "${MINIKUBE_SHM_SIZE_GB:-}" ]; then
+					echo -e "${BLU}Resizing minikube /dev/shm to ${MINIKUBE_SHM_SIZE_GB}G${NC}"
+					docker exec minikube mount -o remount,size="${MINIKUBE_SHM_SIZE_GB}G" /dev/shm
+				fi
+
 				echo -e "${BLU}Building local docker images${NC}"
 				eval "$(minikube docker-env --shell bash)"
 

deployment/env.template

@@ -103,3 +103,5 @@ export FUZZER_BASE_IMAGE="gcr.io/oss-fuzz-base/base-runner"
 export MINIKUBE_CPU=6
 export MINIKUBE_MEMORY_GB=10
 export MINIKUBE_DISK_GB=80
+# Increase /dev/shm size if corpus tmpfs is enabled
+# export MINIKUBE_SHM_SIZE_GB=60

deployment/k8s/values-upstream-minikube-16cpu-128gb.template

@@ -4,6 +4,7 @@
 # export MINIKUBE_CPU=30
 # export MINIKUBE_MEMORY_GB=120
 # export MINIKUBE_DISK_GB=160
+# export MINIKUBE_SHM_SIZE_GB=60
 global:
   environment: "minikube"
   orchestratorImage: