Commit f08d5fcc authored by George Huebner's avatar George Huebner Committed by Jörg Thalheim
Browse files

syzkaller: use cross compilation in build 

This doesn't change anything if targetSystem==hostSystem, but it
allows fuzzing e.g. a x86_64-linux guest on aarch64-darwin.
parent 03e72fc2

pkgs/by-name/sy/syzkaller/package.nix

+18 −1
Original line number Diff line number Diff line
@@ -5,6 +5,17 @@ 
  go,

  ncurses,

}:

let

  cpus = {

    "x86_64" = "amd64";

    "i686" = "386";

    "aarch64" = "arm64";

  };

  targetSystem = lib.systems.parse.mkSystemFromString stdenv.targetPlatform.system;

  targetOS = targetSystem.kernel.name;

  targetArch = cpus.${targetSystem.cpu.name};

  targetVMArch = cpus.${(lib.systems.parse.mkSystemFromString stdenv.hostPlatform.system).cpu.name};

in

stdenv.mkDerivation (finalAttrs: {

  pname = "syzkaller";

  version = "0-unstable-2024-01-09";
@@ -47,6 +58,12 @@ stdenv.mkDerivation (finalAttrs: { 
    runHook postConfigure

  '';



  makeFlags = [

    "TARGETOS=${targetOS}"

    "TARGETVMARCH=${targetVMArch}"

    "TARGETARCH=${targetArch}"

  ];



  dontInstall = true;



  meta = {
@@ -54,7 +71,7 @@ stdenv.mkDerivation (finalAttrs: { 
    homepage = "https://github.com/google/syzkaller";

    license = lib.licenses.asl20;

    maintainers = [ lib.maintainers.msanft ];

    platforms = lib.platforms.linux;

    platforms = lib.platforms.unix;

    mainProgram = "syz-manager";

  };

})