fix(ci): patch ksud for legacy uapi zero

Author: xingguangcuican6666

.github/actions/prepare-abk-app-inputs/action.yml

@@ -58,6 +58,7 @@ runs:
             [ -f .github/workflows/build-abk-app.yml ] && sha256sum .github/workflows/build-abk-app.yml
             [ -f .github/workflows/build-abk-app-dev.yml ] && sha256sum .github/workflows/build-abk-app-dev.yml
             [ -f .github/actions/prepare-abk-app-inputs/action.yml ] && sha256sum .github/actions/prepare-abk-app-inputs/action.yml
+            [ -f .github/scripts/patch-ksud-uapi-compat.py ] && sha256sum .github/scripts/patch-ksud-uapi-compat.py
           } | sha256sum | awk '{print $1}'
         )"
 

.github/scripts/patch-ksud-uapi-compat.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import pathlib
+import sys
+
+
+MARKER = "ABK legacy uapi=0 compatibility"
+
+ORIGINAL = """pub fn ensure_uapi_version_matched() -> anyhow::Result<()> {
+    let kernel_uapi = get_info().uapi_version;
+    let userspace_uapi = uapi_version();
+    if kernel_uapi != userspace_uapi {
+        bail!(
+            "UAPI version mismatch: kernel={kernel_uapi}, ksud={userspace_uapi}. Please update KernelSU!"
+        );
+    }
+    Ok(())
+}
+"""
+
+PATCHED = f"""pub fn ensure_uapi_version_matched() -> anyhow::Result<()> {{
+    let kernel_uapi = get_info().uapi_version;
+    let userspace_uapi = uapi_version();
+    if kernel_uapi == 0 {{
+        eprintln!(
+            "[ABK] {MARKER}: kernel reports legacy uapi=0, continue with userspace uapi={{userspace_uapi}}"
+        );
+        return Ok(());
+    }}
+    if kernel_uapi != userspace_uapi {{
+        bail!(
+            "UAPI version mismatch: kernel={{kernel_uapi}}, ksud={{userspace_uapi}}. Please update KernelSU!"
+        );
+    }}
+    Ok(())
+}}
+"""
+
+
+def main() -> int:
+    if len(sys.argv) != 2:
+        print("usage: patch-ksud-uapi-compat.py <sukisu-source-dir>", file=sys.stderr)
+        return 2
+
+    source_dir = pathlib.Path(sys.argv[1]).resolve()
+    target = source_dir / "userspace" / "ksud" / "src" / "ksucalls.rs"
+    if not target.is_file():
+        print(f"::error::{target} not found", file=sys.stderr)
+        return 1
+
+    text = target.read_text(encoding="utf-8")
+    if MARKER in text:
+        print(f"ksud uapi compat patch already present: {target}")
+        return 0
+
+    if ORIGINAL not in text:
+        print(f"::error::expected ensure_uapi_version_matched block not found in {target}", file=sys.stderr)
+        return 1
+
+    target.write_text(text.replace(ORIGINAL, PATCHED), encoding="utf-8")
+    print(f"patched ksud legacy uapi compatibility: {target}")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

.github/workflows/build-abk-app-dev.yml

@@ -11,6 +11,7 @@ on:
       - "gradle/**"
       - ".github/workflows/build-abk-app-dev.yml"
       - ".github/actions/prepare-abk-app-inputs/**"
+      - ".github/scripts/patch-ksud-uapi-compat.py"
   pull_request:
     paths:
       - "app/**"
@@ -20,6 +21,7 @@ on:
       - "gradle/**"
       - ".github/workflows/build-abk-app-dev.yml"
       - ".github/actions/prepare-abk-app-inputs/**"
+      - ".github/scripts/patch-ksud-uapi-compat.py"
 
 jobs:
   build:
@@ -137,6 +139,8 @@ jobs:
           rm -rf "$source_dir" "$target_dir" "$jni_target_dir"
           git clone --depth 1 --branch "$SUKISU_ULTRA_REF" "$SUKISU_ULTRA_REPO" "$source_dir"
           commit="$(git -C "$source_dir" rev-parse HEAD)"
+          python3 .github/scripts/patch-ksud-uapi-compat.py "$source_dir"
+          grep -q "ABK legacy uapi=0 compatibility" "$source_dir/userspace/ksud/src/ksucalls.rs"
           mkdir -p "$target_dir" "$jni_target_dir"
 
           setup_rust_build() {
@@ -237,6 +241,7 @@ jobs:
             echo "ref=$SUKISU_ULTRA_REF"
             echo "commit=$commit"
             echo "abis=$SUKISU_KSUD_ABIS"
+            echo "patches=legacy_uapi_zero_compat"
             echo "built_by=.github/workflows/build-abk-app-dev.yml"
           } > "$target_dir/source.properties"
 
@@ -310,6 +315,7 @@ jobs:
             echo "- ABIs: $SUKISU_KSUD_ABIS"
             echo "- Embedded ksuinit: aarch64-unknown-linux-musl, x86_64-unknown-linux-musl"
             echo "- magiskboot: removed upstream (ksud uses bootimg crate)"
+            echo "- Patch: allow legacy kernel uapi=0 for bundled ksud"
           } >> "$GITHUB_STEP_SUMMARY"
 
       - name: Cache LKM assets

.github/workflows/build-abk-app.yml

@@ -11,6 +11,7 @@ on:
       - "gradle/**"
       - ".github/workflows/build-abk-app.yml"
       - ".github/actions/prepare-abk-app-inputs/**"
+      - ".github/scripts/patch-ksud-uapi-compat.py"
   pull_request:
     paths:
       - "app/**"
@@ -20,6 +21,7 @@ on:
       - "gradle/**"
       - ".github/workflows/build-abk-app.yml"
       - ".github/actions/prepare-abk-app-inputs/**"
+      - ".github/scripts/patch-ksud-uapi-compat.py"
 
 jobs:
   build:
@@ -137,6 +139,8 @@ jobs:
           rm -rf "$source_dir" "$target_dir" "$jni_target_dir"
           git clone --depth 1 --branch "$SUKISU_ULTRA_REF" "$SUKISU_ULTRA_REPO" "$source_dir"
           commit="$(git -C "$source_dir" rev-parse HEAD)"
+          python3 .github/scripts/patch-ksud-uapi-compat.py "$source_dir"
+          grep -q "ABK legacy uapi=0 compatibility" "$source_dir/userspace/ksud/src/ksucalls.rs"
           mkdir -p "$target_dir" "$jni_target_dir"
 
           setup_rust_build() {
@@ -237,6 +241,7 @@ jobs:
             echo "ref=$SUKISU_ULTRA_REF"
             echo "commit=$commit"
             echo "abis=$SUKISU_KSUD_ABIS"
+            echo "patches=legacy_uapi_zero_compat"
             echo "built_by=.github/workflows/build-abk-app.yml"
           } > "$target_dir/source.properties"
 
@@ -310,6 +315,7 @@ jobs:
             echo "- ABIs: $SUKISU_KSUD_ABIS"
             echo "- Embedded ksuinit: aarch64-unknown-linux-musl, x86_64-unknown-linux-musl"
             echo "- magiskboot: removed upstream (ksud uses bootimg crate)"
+            echo "- Patch: allow legacy kernel uapi=0 for bundled ksud"
           } >> "$GITHUB_STEP_SUMMARY"
 
       - name: Cache LKM assets