1 files changed, 51 insertions, 0 deletions
diff --git a/infra/base-images/base-clang/checkout_build_install_llvm.sh b/infra/base-images/base-clang/checkout_build_install_llvm.sh
index 60429106b..f6e8ca99c 100755
--- a/infra/base-images/base-clang/checkout_build_install_llvm.sh
+++ b/infra/base-images/base-clang/checkout_build_install_llvm.sh
@@ -174,3 +174,54 @@ rm -rf $LLVM_SRC
 rm -rf $SRC/chromium_tools
 apt-get remove --purge -y $LLVM_DEP_PACKAGES
 apt-get autoremove -y
+
+# Delete unneeded parts of LLVM to reduce image size.
+# See https://github.com/google/oss-fuzz/issues/5170
+LLVM_TOOLS_TMPDIR=/tmp/llvm-tools
+mkdir $LLVM_TOOLS_TMPDIR
+# Move binaries with llvm- prefix that we want into LLVM_TOOLS_TMPDIR
+mv \
+  /usr/local/bin/llvm-ar \
+  /usr/local/bin/llvm-as \
+  /usr/local/bin/llvm-config \
+  /usr/local/bin/llvm-cov \
+  /usr/local/bin/llvm-objcopy \
+  /usr/local/bin/llvm-profdata \
+  /usr/local/bin/llvm-ranlib \
+  /usr/local/bin/llvm-symbolizer \
+  /usr/local/bin/llvm-undname \
+  $LLVM_TOOLS_TMPDIR
+# Delete remaining llvm- binaries.
+rm -rf /usr/local/bin/llvm-*
+# Restore the llvm- binaries we want to keep.
+mv $LLVM_TOOLS_TMPDIR/* /usr/local/bin/
+rm -rf $LLVM_TOOLS_TMPDIR
+
+# Remove binaries from LLVM buld that we don't need.
+rm -f \
+  /usr/local/bin/bugpoint \
+  /usr/local/bin/llc \
+  /usr/local/bin/lli \
+  /usr/local/bin/clang-check \
+  /usr/local/bin/clang-refactor \
+  /usr/local/bin/clang-offload-wrapper \
+  /usr/local/bin/clang-offload-bundler \
+  /usr/local/bin/clang-check \
+  /usr/local/bin/clang-refactor \
+  /usr/local/bin/c-index-test \
+  /usr/local/bin/clang-rename \
+  /usr/local/bin/clang-scan-deps \
+  /usr/local/bin/clang-extdef-mapping \
+  /usr/local/bin/diagtool \
+  /usr/local/bin/sanstats \
+  /usr/local/bin/dsymutil \
+  /usr/local/bin/verify-uselistorder \
+  /usr/local/bin/clang-format
+
+# Remove unneeded clang libs, CMake files from LLVM build, lld libs, and the
+# libraries.
+# Note: we need fuzzer_no_main libraries for atheris. Don't delete.
+rm -rf \
+  /usr/local/lib/libclang* \
+  /usr/local/lib/liblld* \
+  /usr/local/lib/cmake/