tests: Run dd without any preloaded libraries

If AddressSanitizer is loaded it will detect alignment issues. The tool
is not ours, so ignore it.

Signed-off-by: Andreas Schneider <[email protected]>
Reviewed-by: Anoop C S <[email protected]>

Autobuild-User(master): Anoop C S <[email protected]>
Autobuild-Date(master): Thu Oct 16 09:34:58 UTC 2025 on atb-devel-224

Author: cryptomilk

source3/script/tests/test_smbclient_large_file.sh

@@ -49,7 +49,7 @@ EOF
 }
 
 rm -f $PREFIX/largefile
-dd if=/dev/zero of=$PREFIX/largefile seek=$((20 * 1024 * 1024)) count=1 bs=1
+LD_PRELOAD='' dd if=/dev/zero of=$PREFIX/largefile seek=$((20 * 1024 * 1024)) count=1 bs=1
 
 incdir=$(dirname $0)/../../../testprogs/blackbox
 . $incdir/subunit.sh

source3/script/tests/test_smbclient_tarmode.sh

@@ -58,7 +58,7 @@ create_test_data()
 	if have_command "od"; then # Use random file sizes
 		local RND_COUNT
 		for RND_COUNT in $(od -An -N$NUM_FILES -tu1 </dev/urandom); do
-			if ! dd if=/dev/urandom of="$DIR/file.$I" bs=$BS count=$RND_COUNT >/dev/null 2>&1; then
+			if ! LD_PRELOAD='' dd if=/dev/urandom of="$DIR/file.$I" bs=$BS count=$RND_COUNT >/dev/null 2>&1; then
 				echo "Couldn't create test file '$DIR/file.$I' (random size)"
 				false
 				return
@@ -67,7 +67,7 @@ create_test_data()
 		done
 	else # Fallback to same file sizes
 		while [ $I -le $NUM_FILES ]; do
-			if ! dd if=/dev/urandom of="$DIR/file.$I" bs=$BS count=$NORND_COUNT >/dev/null 2>&1; then
+			if ! LD_PRELOAD='' dd if=/dev/urandom of="$DIR/file.$I" bs=$BS count=$NORND_COUNT >/dev/null 2>&1; then
 				echo "Couldn't create test file '$DIR/file.$I' (static size)"
 				false
 				return

source3/script/tests/test_smbget.sh

@@ -34,12 +34,13 @@ samba_texpect="${BINDIR}/texpect"
 create_test_data()
 {
 	pushd $WORKDIR
-	dd if=/dev/urandom bs=1024 count=128 of=testfile
+	# Do not preload anything for dd
+	LD_PRELOAD='' dd if=/dev/urandom bs=1024 count=128 of=testfile
 	chmod 644 testfile
 	mkdir dir1
-	dd if=/dev/urandom bs=1024 count=128 of=dir1/testfile1
+	LD_PRELOAD='' dd if=/dev/urandom bs=1024 count=128 of=dir1/testfile1
 	mkdir dir2
-	dd if=/dev/urandom bs=1024 count=128 of=dir2/testfile2
+	LD_PRELOAD='' dd if=/dev/urandom bs=1024 count=128 of=dir2/testfile2
 	popd
 }
 
@@ -308,7 +309,8 @@ test_resume()
 test_resume_modified()
 {
 	clear_download_area
-	dd if=/dev/urandom bs=1024 count=2 of=testfile
+	# Do not preload anything for dd
+	LD_PRELOAD='' dd if=/dev/urandom bs=1024 count=2 of=testfile
 	$SMBGET --verbose --resume -U${SERVER}/${USERNAME}%$PASSWORD smb://$SERVER_IP/smbget/testfile
 	if [ $? -ne 1 ]; then
 		echo 'ERROR: RC does not match, expected: 1'

source3/script/tests/test_zero_data.sh

@@ -26,7 +26,8 @@ TESTDIR=$LOCAL_PATH/zero_data
 mkdir -p $TESTDIR
 chmod 777 p $TESTDIR
 
-dd if=/dev/urandom of=$TESTDIR/testfile bs=1024 count=128
+# Do not preload anything for dd
+LD_PRELOAD='' dd if=/dev/urandom of=$TESTDIR/testfile bs=1024 count=128
 chmod 777 $TESTDIR/testfile
 
 alloc_kb=$(du -k $TESTDIR/testfile | sed -e 's/\t.*//')

source3/script/tests/test_zero_readsize.sh

@@ -40,7 +40,7 @@ do_setup()
 {
 	rm -f "${PREFIX}/zero_read_testfile"
 	rm -f "${PREFIX}/zero_read_testfile_get"
-	dd if=/dev/zero of="${PREFIX}/zero_read_testfile" bs=1024 count=1
+	LD_PRELOAD='' dd if=/dev/zero of="${PREFIX}/zero_read_testfile" bs=1024 count=1
 	global_inject_conf="$(dirname "${SERVERCONFFILE}")/global_inject.conf"
 	echo "smb2 max read = 0" >"$global_inject_conf"
 	${SMBCONTROL} ${CONF} smbd reload-config

source4/client/tests/test_cifsdd.sh

@@ -42,7 +42,7 @@ destfile=tempfile.dst.$$
 destpath=${SELFTEST_TMPDIR}/$destfile
 
 # Create a source file with arbitrary contents
-dd if=$DD of=$sourcepath bs=1024 count=50 >/dev/null
+LD_PRELOAD='' dd if=$DD of=$sourcepath bs=1024 count=50 >/dev/null
 
 ls -l $sourcepath
 

testprogs/blackbox/test_client_etypes.sh

@@ -30,7 +30,7 @@ EOF
 	exit 0
 fi
 
-HOSTNAME=$(dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
+HOSTNAME=$(LD_PRELOAD='' dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
 
 RUNDIR=$(pwd)
 cd $BASEDIR

testprogs/blackbox/test_net_ads.sh

@@ -10,7 +10,7 @@ DC_USERNAME=$2
 DC_PASSWORD=$3
 BASEDIR=$4
 
-HOSTNAME=$(dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
+HOSTNAME=$(LD_PRELOAD='' dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
 
 RUNDIR=$(pwd)
 cd $BASEDIR

testprogs/blackbox/test_net_ads_fips.sh

@@ -10,7 +10,7 @@ DC_USERNAME=$2
 DC_PASSWORD=$3
 BASEDIR=$4
 
-HOSTNAME=$(dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
+HOSTNAME=$(LD_PRELOAD='' dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
 
 RUNDIR=$(pwd)
 cd $BASEDIR

testprogs/blackbox/test_net_ads_join_to_preferred_dc.sh

@@ -10,7 +10,7 @@ DC_USERNAME=$2
 DC_PASSWORD=$3
 BASEDIR=$4
 
-HOSTNAME=$(dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
+HOSTNAME=$(LD_PRELOAD='' dd if=/dev/urandom bs=1 count=32 2>/dev/null | sha1sum | cut -b 1-10)
 
 RUNDIR=$(pwd)
 cd $BASEDIR