Disable ASLR to work around QEMU aarch64 issues (#229)

It seems that QEMU and Address Space Layout Randomization do not work
well toghether currently. Linux kernel security hardening efforts which
make ASLR more random seem to cause SEGFAULTs randomly when building
things for aarch64.

It seems that the QEMU for aarch64 made assumptions about how the memory
layout is laid out, and/or has bugs in the implementation which are
exarbated by the new ASLR scheme. In any case, disabling ASLR during
build time avvoids hitting the QEMU bugs.

Author: agners

action.yml

@@ -46,6 +46,9 @@ runs:
       run: |
         env > "${{ github.action_path }}/env_file"
         sed -i "/\(HOME\|TERM\|PWD\|HOSTNAME\|PATH\|SHLVL\|USER\|GOROOT\)/d" "${{ github.action_path }}/env_file"
+        # Work around QEMU aarch64 bugs
+        # https://github.com/tonistiigi/binfmt/issues/215#issuecomment-2613567455
+        sudo sysctl kernel.randomize_va_space=0
 
         docker run --rm --privileged \
             -v /var/run/docker.sock:/var/run/docker.sock:ro \
@@ -55,6 +58,8 @@ runs:
             ghcr.io/home-assistant/amd64-builder:${{ steps.version.outputs.version }} \
             ${{ inputs.args }}
 
+        sudo sysctl kernel.randomize_va_space=2
+
     - shell: bash
       id: verify
       run: |