infra: parent_image=ubuntu:24.04

This requires a workaround for honggfuzz.

Also, use the new lib32gcc-s1 package name.

Author: maflcko

infra/base-images/base-builder/precompile_honggfuzz

@@ -33,7 +33,10 @@ make clean
 # These CFLAGs match honggfuzz's default, with the exception of -mtune to
 # improve portability and `-D_HF_LINUX_NO_BFD` to remove assembly instructions
 # from the filenames.
-CC=clang CFLAGS="-O3 -funroll-loops -D_HF_LINUX_NO_BFD" make
+#
+# The LDFLAGS disable pie to work around a linker error that happens after a
+# base-image bump from ubuntu:20.04.
+CC=clang LDFLAGS="-no-pie" CFLAGS="-O3 -funroll-loops -D_HF_LINUX_NO_BFD" make
 
 # libhfuzz.a will be added by CC/CXX linker directly during linking,
 # but it's defined here to satisfy the build infrastructure

infra/base-images/base-image/Dockerfile

@@ -16,7 +16,8 @@
 
 # Base image for all other images.
 
-ARG parent_image=ubuntu:20.04@sha256:4a45212e9518f35983a976eead0de5eecc555a2f047134e9dd2cfc589076a00d
+# Pin to a hash to keep stable and re-usable caches
+ARG parent_image=ubuntu:24.04@sha256:72297848456d5d37d1262630108ab308d3e9ec7ed1c3286a32fe09856619a782
 
 FROM $parent_image
 

infra/base-images/base-runner/install_deps.sh

@@ -32,6 +32,6 @@ apt-get update && apt-get install -y \
 case $(uname -m) in
   x86_64)
     # We only need to worry about i386 if we are on x86_64.
-    apt-get install -y lib32gcc1 libc6-i386
+    apt-get install -y lib32gcc-s1 libc6-i386
     ;;
 esac