Fix FlareSolverr Chromium startup on HA OS

flaresolverr/CHANGELOG.md

@@ -1,4 +1,8 @@
 
+## 3.4.1-1 (21-09-2025)
+
+- Fix Chromium startup by hardening the shared memory helper for large reported sizes (thanks to community reports)
+
 ## 3.4.1 (20-09-2025)
 - Update to latest version from FlareSolverr/FlareSolverr (changelog : https://github.com/FlareSolverr/FlareSolverr/releases)
 ## 3.4.0 (26-08-2025)

flaresolverr/config.json

@@ -80,6 +80,6 @@
   "slug": "flaresolverr",
   "udev": true,
   "url": "https://github.com/alexbelgium/hassio-addons",
-  "version": "3.3.25",
+  "version": "3.4.1-1",
   "webui": "[PROTO:ssl]://[HOST]:[PORT:8191]"
 }

flaresolverr/rootfs/etc/cont-init.d/02-fix-chromium-dev-shm.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bashio
+# shellcheck shell=bash
+set -euo pipefail
+
+fix_file="/etc/chromium.d/dev-shm"
+
+if [ -f "${fix_file}" ]; then
+    bashio::log.info "Patching Chromium shared memory helper for reliable startup"
+    cat <<'PATCH' > "${fix_file}"
+# shellcheck shell=sh
+# Patched by alexbelgium/hassio-addons to avoid arithmetic errors with large values on some shells.
+shm_avail=$(findmnt -bnr -o avail -T /dev/shm 2>/dev/null)
+
+if python3 - "${shm_avail}" <<'PY'
+import re
+import sys
+
+raw = sys.argv[1] if len(sys.argv) > 1 else ''
+match = re.search(r'\d+', raw)
+value = int(match.group(0)) if match else 0
+LIMIT = 4080218931
+sys.exit(0 if value < LIMIT else 1)
+PY
+then
+    export CHROMIUM_FLAGS="${CHROMIUM_FLAGS} --disable-dev-shm-usage"
+fi
+PATCH
+    chmod 0644 "${fix_file}"
+fi

flaresolverr/updater.json

@@ -1,5 +1,5 @@
 {
-  "last_update": "20-09-2025",
+  "last_update": "21-09-2025",
   "repository": "alexbelgium/hassio-addons",
   "slug": "flaresolverr",
   "source": "github",