fortify: move test_fortify.sh to lib/test_fortify/

This script is only used in lib/test_fortify/.

There is no reason to keep it in scripts/.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20240727150302.1823750-3-masahiroy@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>

1 files changed, 0 insertions, 66 deletions

diff --git a/scripts/test_fortify.sh b/scripts/test_fortify.sh
deleted file mode 100644
index c2688ab8281d..000000000000
--- a/scripts/test_fortify.sh
+++ /dev/null
@@ -1,66 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0-only
-set -e
-
-# Argument 1: Source file to build.
-IN="$1"
-shift
-# Extract just the filename for error messages below.
-FILE="${IN##*/}"
-# Extract the function name for error messages below.
-FUNC="${FILE#*-}"
-FUNC="${FUNC%%-*}"
-FUNC="${FUNC%%.*}"
-# Extract the symbol to test for in build/symbol test below.
-WANT="__${FILE%%-*}"
-
-# Argument 2: Where to write the build log.
-OUT="$1"
-shift
-TMP="${OUT}.tmp"
-
-# Argument 3: Path to "nm" tool.
-NM="$1"
-shift
-
-# Remaining arguments are: $(CC) $(c_flags)
-
-# Clean up temporary file at exit.
-__cleanup() {
-	rm -f "$TMP"
-}
-trap __cleanup EXIT
-
-# Function names in warnings are wrapped in backticks under UTF-8 locales.
-# Run the commands with LANG=C so that grep output will not change.
-export LANG=C
-
-status=
-# Attempt to build a source that is expected to fail with a specific warning.
-if "$@" -Werror -c "$IN" -o "$OUT".o 2> "$TMP" ; then
-	# If the build succeeds, either the test has failed or the
-	# warning may only happen at link time (Clang). In that case,
-	# make sure the expected symbol is unresolved in the symbol list.
-	# If so, FORTIFY is working for this case.
-	if ! $NM -A "$OUT".o | grep -m1 "\bU ${WANT}$" >>"$TMP" ; then
-		status="warning: unsafe ${FUNC}() usage lacked '$WANT' symbol in $IN"
-	fi
-else
-	# If the build failed, check for the warning in the stderr.
-	# GCC:
-	# ./include/linux/fortify-string.h:316:25: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]
-	# Clang 14:
-	# ./include/linux/fortify-string.h:316:4: error: call to __write_overflow_field declared with 'warning' attribute: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror,-Wattribute-warning]
-	if ! grep -Eq -m1 "error: call to .?\b${WANT}\b.?" "$TMP" ; then
-		status="warning: unsafe ${FUNC}() usage lacked '$WANT' warning in $IN"
-	fi
-fi
-
-if [ -n "$status" ]; then
-	# Report on failure results, including compilation warnings.
-	echo "$status" | tee "$OUT" >&2
-else
-	# Report on good results, and save any compilation output to log.
-	echo "ok: unsafe ${FUNC}() usage correctly detected with '$WANT' in $IN" >"$OUT"
-fi
-cat "$TMP" >>"$OUT"