Enable codeql

.clang-format

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+# SPDX-License-Identifier: Apache-2.0
+#
+# Note: The list of ForEachMacros can be obtained using:
+#
+#    git grep -h '^#define [^[:space:]]*FOR_EACH[^[:space:]]*(' include/ \
+#    | sed "s,^#define \([^[:space:]]*FOR_EACH[^[:space:]]*\)(.*$,  - '\1'," \
+#    | sort | uniq
+#
+# References:
+#   - https://clang.llvm.org/docs/ClangFormatStyleOptions.html
+
+---
+BasedOnStyle: LLVM
+AccessModifierOffset: -8
+IndentAccessModifiers: false
+AlignConsecutiveMacros: AcrossComments
+AllowShortBlocksOnASingleLine: Never
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortEnumsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AttributeMacros:
+  - __aligned
+  - __deprecated
+  - __packed
+  - __printf_like
+  - __syscall
+  - __subsystem
+BitFieldColonSpacing: After
+BreakBeforeBraces: Linux
+ColumnLimit: 100
+ConstructorInitializerIndentWidth: 8
+ContinuationIndentWidth: 8
+ForEachMacros:
+  - 'FOR_EACH'
+  - 'FOR_EACH_FIXED_ARG'
+  - 'FOR_EACH_IDX'
+  - 'FOR_EACH_IDX_FIXED_ARG'
+  - 'FOR_EACH_NONEMPTY_TERM'
+  - 'RB_FOR_EACH'
+  - 'RB_FOR_EACH_CONTAINER'
+  - 'SYS_DLIST_FOR_EACH_CONTAINER'
+  - 'SYS_DLIST_FOR_EACH_CONTAINER_SAFE'
+  - 'SYS_DLIST_FOR_EACH_NODE'
+  - 'SYS_DLIST_FOR_EACH_NODE_SAFE'
+  - 'SYS_SFLIST_FOR_EACH_CONTAINER'
+  - 'SYS_SFLIST_FOR_EACH_CONTAINER_SAFE'
+  - 'SYS_SFLIST_FOR_EACH_NODE'
+  - 'SYS_SFLIST_FOR_EACH_NODE_SAFE'
+  - 'SYS_SLIST_FOR_EACH_CONTAINER'
+  - 'SYS_SLIST_FOR_EACH_CONTAINER_SAFE'
+  - 'SYS_SLIST_FOR_EACH_NODE'
+  - 'SYS_SLIST_FOR_EACH_NODE_SAFE'
+  - '_WAIT_Q_FOR_EACH'
+  - 'Z_FOR_EACH'
+  - 'Z_FOR_EACH_ENGINE'
+  - 'Z_FOR_EACH_EXEC'
+  - 'Z_FOR_EACH_FIXED_ARG'
+  - 'Z_FOR_EACH_FIXED_ARG_EXEC'
+  - 'Z_FOR_EACH_IDX'
+  - 'Z_FOR_EACH_IDX_EXEC'
+  - 'Z_FOR_EACH_IDX_FIXED_ARG'
+  - 'Z_FOR_EACH_IDX_FIXED_ARG_EXEC'
+  - 'Z_GENLIST_FOR_EACH_CONTAINER'
+  - 'Z_GENLIST_FOR_EACH_CONTAINER_SAFE'
+  - 'Z_GENLIST_FOR_EACH_NODE'
+  - 'Z_GENLIST_FOR_EACH_NODE_SAFE'
+IfMacros:
+  - 'CHECKIF'
+# Disabled for now, see bug https://github.com/zephyrproject-rtos/zephyr/issues/48520
+#IncludeBlocks: Regroup
+IncludeCategories:
+  - Regex: '^".*\.h"$'
+    Priority: 0
+  - Regex: '^<(assert|complex|ctype|errno|fenv|float|inttypes|limits|locale|math|setjmp|signal|stdarg|stdbool|stddef|stdint|stdio|stdlib|string|tgmath|time|wchar|wctype)\.h>$'
+    Priority: 1
+  - Regex: '^\<zephyr/.*\.h\>$'
+    Priority: 2
+  - Regex: '.*'
+    Priority: 3
+IndentCaseLabels: false
+IndentGotoLabels: false
+IndentWidth: 8
+InsertBraces: true
+SpaceBeforeParens: ControlStatementsExceptControlMacros
+SortIncludes: Never
+UseTab: Always
+WhitespaceSensitiveMacros:
+  - STRINGIFY
+  - Z_STRINGIFY

.github/codeql/codeql-actions-config.yml

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+paths:
+  - .github

.github/codeql/codeql-c-config.yml

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+paths:
+  - samples

.github/workflows/codeql.yml

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+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - main
+      - v*-branch
+  pull_request:
+    branches:
+      - main
+      - v*-branch
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: CodeQL (Github actions)
+    runs-on: ubuntu-24.04
+    permissions:
+      security-events: write
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: c-cpp
+            build-mode: none
+            config: ./.github/codeql/codeql-c-config.yml
+          - languages: actions
+            build-mode: none
+            config: ./.github/codeql/codeql-actions-config.yml
+    steps:
+      - name: Checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@f1f6e5f6af878fb37288ce1c627459e94dbf7d01 # v3.30.1
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: ${{ matrix.build-mode }}
+          queries: security-extended
+          config-file: ${{ matrix.config }}
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@f1f6e5f6af878fb37288ce1c627459e94dbf7d01 # v3.30.1
+        with:
+          category: "/language:${{matrix.language}}"