Don't force a copy of init from kernelParams on the host

Author: SuperSandro2000

lib/runners/alioth.nix

@@ -21,7 +21,7 @@ in {
         "--num-cpu" (toString vcpu)
         "-k" (lib.escapeShellArg "${kernel}/${pkgs.stdenv.hostPlatform.linux-kernel.target}")
         "-i" initrdPath
-        "-c" (lib.escapeShellArg "console=ttyS0 reboot=k panic=1 ${toString microvmConfig.kernelParams}")
+        "-c" (lib.escapeShellArg "console=ttyS0 reboot=k panic=1 ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}")
         "--entropy"
       ]
       ++

lib/runners/cloud-hypervisor.nix

@@ -144,7 +144,7 @@ in {
         "--serial" "tty"
         "--kernel" kernelPath
         "--initramfs" initrdPath
-        "--cmdline" "${kernelConsole} reboot=t panic=-1 ${toString microvmConfig.kernelParams}"
+        "--cmdline" "${kernelConsole} reboot=t panic=-1 ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}"
         "--seccomp" "true"
         "--memory" memOps
       ]

lib/runners/crosvm.nix

@@ -52,7 +52,7 @@ in {
         "-m" (toString (mem + balloonMem))
         "-c" (toString vcpu)
         "--serial" "type=stdout,console=true,stdin=true"
-        "-p" "console=ttyS0 reboot=k panic=1 ${toString microvmConfig.kernelParams}"
+        "-p" "console=ttyS0 reboot=k panic=1 ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}"
       ]
       ++
       lib.optionals storeOnDisk [

lib/runners/firecracker.nix

@@ -22,7 +22,7 @@ let
     boot-source = {
       kernel_image_path = kernelPath;
       initrd_path = initrdPath;
-      boot_args = "console=ttyS0 noapic acpi=off reboot=k panic=1 verbose i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd ${toString microvmConfig.kernelParams}";
+      boot_args = "console=ttyS0 noapic acpi=off reboot=k panic=1 verbose i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}";
     };
     machine-config = {
       vcpu_count = vcpu;

lib/runners/kvmtool.nix

@@ -29,7 +29,7 @@ in {
         "--rng"
         "-k" (lib.escapeShellArg "${kernel}/${pkgs.stdenv.hostPlatform.linux-kernel.target}")
         "-i" initrdPath
-        "-p" (lib.escapeShellArg "console=ttyS0 reboot=k panic=1 ${toString microvmConfig.kernelParams}")
+        "-p" (lib.escapeShellArg "console=ttyS0 reboot=k panic=1 ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}")
       ]
       ++
       lib.optionals storeOnDisk [

lib/runners/qemu.nix

@@ -183,10 +183,10 @@ lib.warnIf (mem == 2048) ''
     lib.optionals (system == "x86_64-linux") [
       "-device" "i8042"
 
-      "-append" "${kernelConsole} reboot=t panic=-1 ${toString microvmConfig.kernelParams}"
+      "-append" "${kernelConsole} reboot=t panic=-1 ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}"
     ] ++
     lib.optionals (system == "aarch64-linux") [
-      "-append" "${kernelConsole} reboot=t panic=-1 ${toString microvmConfig.kernelParams}"
+      "-append" "${kernelConsole} reboot=t panic=-1 ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}"
     ] ++
     lib.optionals storeOnDisk [
       "-drive" "id=store,format=raw,read-only=on,file=${storeDisk},if=none,aio=io_uring"

lib/runners/stratovirt.nix

@@ -81,7 +81,7 @@ in {
 
       "-kernel" "${kernel}/bzImage"
       "-initrd" initrdPath
-      "-append" "console=${console} edd=off reboot=t panic=-1 verbose ${toString microvmConfig.kernelParams}"
+      "-append" "console=${console} edd=off reboot=t panic=-1 verbose ${builtins.unsafeDiscardStringContext (toString microvmConfig.kernelParams)}"
 
       "-serial" "stdio"
       "-object" "rng-random,id=rng,filename=/dev/random"