Merge remote-tracking branch 'origin/master' into hardened-stdenv

nixos/modules/system/activation/activation-script.nix

@@ -12,8 +12,7 @@ let
     '';
   });
 
-  path = map # outputs TODO?
-    (pkg: (pkg.bin or (pkg.out or pkg)))
+  path = map getBin
     [ pkgs.coreutils pkgs.gnugrep pkgs.findutils
       pkgs.glibc # needed for getent
       pkgs.shadow

nixos/modules/system/boot/initrd-ssh.nix

@@ -88,7 +88,7 @@ in
 
     boot.initrd.extraUtilsCommands = ''
       copy_bin_and_libs ${pkgs.dropbear}/bin/dropbear
-      cp -pv ${pkgs.glibc}/lib/libnss_files.so.* $out/lib
+      cp -pv ${pkgs.glibc.out}/lib/libnss_files.so.* $out/lib
     '';
 
     boot.initrd.extraUtilsCommandsTest = ''

nixos/modules/system/boot/loader/grub/grub.nix

@@ -58,7 +58,7 @@ let
       path = (makeBinPath ([
         pkgs.coreutils pkgs.gnused pkgs.gnugrep pkgs.findutils pkgs.diffutils pkgs.btrfs-progs
         pkgs.utillinux ] ++ (if cfg.efiSupport && (cfg.version == 2) then [pkgs.efibootmgr ] else [])
-      )) + ":" + (makeSearchPathOutputs "sbin" ["bin"] [
+      )) + ":" + (makeSearchPathOutput "bin" "sbin" [
         pkgs.mdadm pkgs.utillinux
       ]);
     });

nixos/modules/system/boot/stage-1-init.sh

@@ -439,8 +439,18 @@ eval "exec $logOutFd>&- $logErrFd>&-"
 
 # Kill any remaining processes, just to be sure we're not taking any
 # with us into stage 2. But keep storage daemons like unionfs-fuse.
-pkill -9 -v -f '@'
-
+#
+# Storage daemons are distinguished by an @ in front of their command line:
+# https://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons/
+local pidsToKill="$(pgrep -v -f '^@')"
+for pid in $pidsToKill; do
+    # Make sure we don't kill kernel processes, see #15226 and:
+    # http://stackoverflow.com/questions/12213445/identifying-kernel-threads
+    readlink "/proc/$pid/exe" &> /dev/null || continue
+    # Try to avoid killing ourselves.
+    [ $pid -eq $$ ] && continue
+    kill -9 "$pid"
+done
 
 if test -n "$debug1mounts"; then fail; fi
 

nixos/modules/system/boot/systemd-unit-options.nix

@@ -193,7 +193,7 @@ in rec {
 
     path = mkOption {
       default = [];
-      apply = ps: "${makeBinPath ps}:${makeSearchPathOutputs "sbin" ["bin"] ps}";
+      apply = ps: "${makeBinPath ps}:${makeSearchPathOutput "bin" "sbin" ps}";
       description = ''
         Packages added to the service's <envar>PATH</envar>
         environment variable.  Both the <filename>bin</filename>

nixos/modules/system/boot/systemd.nix

@@ -689,6 +689,8 @@ in
       "systemd/system-generators" = { source = generators; };
     });
 
+    services.dbus.enable = true;
+
     system.activationScripts.systemd = stringAfter [ "groups" ]
       ''
         mkdir -m 0755 -p /var/lib/udev