From 54fe53c365c35a3ab9aa4a0c12908079ef376f1e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?tpg=20=28Tomasz=20Pawe=C2=B3=20Gajc=29?= <tpgxyz@gmail.com>
Date: Tue, 1 Mar 2016 21:03:18 +0100
Subject: [PATCH] strip NUL bytes in stream before push in string - fixes bug
 #118

---
 dracut.sh                                  | 2 +-
 modules.d/50drm/module-setup.sh            | 6 +++---
 modules.d/90kernel-modules/module-setup.sh | 6 +++---
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/dracut.sh b/dracut.sh
index 98dbe0b..2b583de 100755
--- a/dracut.sh
+++ b/dracut.sh
@@ -1595,7 +1595,7 @@ if [[ $do_strip = yes ]] && ! [[ $DRACUT_FIPS_MODE ]]; then
     # strip kernel modules, but do not touch signed modules
     find "$initdir" -type f -path '*/lib/modules/*.ko' -print0 \
         | while read -r -d $'\0' f || [ -n "$f" ]; do
-        SIG=$(tail -c 28 "$f")
+        SIG=$(tail -c 28 "$f" | tr -d '\000')
         [[ $SIG == '~Module signature appended~' ]] || { printf "%s\000" "$f"; }
     done | xargs -r -0 strip -g
 
diff --git a/modules.d/50drm/module-setup.sh b/modules.d/50drm/module-setup.sh
index 55a214e..80f8ecd 100755
--- a/modules.d/50drm/module-setup.sh
+++ b/modules.d/50drm/module-setup.sh
@@ -24,9 +24,9 @@ installkernel() {
             local _fname _fcont
             while read _fname || [ -n "$_fname" ]; do
                 case "$_fname" in
-                    *.ko)    _fcont="$(<        $_fname)" ;;
-                    *.ko.gz) _fcont="$(gzip -dc $_fname)" ;;
-                    *.ko.xz) _fcont="$(xz -dc   $_fname)" ;;
+                    *.ko)    _fcont="$(<        "$_fname" | tr -d '\000')" ;;
+                    *.ko.gz) _fcont="$(gzip -dc "$_fname" | tr -d '\000')" ;;
+                    *.ko.xz) _fcont="$(xz -dc   "$_fname" | tr -d '\000')" ;;
                 esac
                 [[   $_fcont =~ $_drm_drivers
                 && ! $_fcont =~ iw_handler_get_spy ]] \
diff --git a/modules.d/90kernel-modules/module-setup.sh b/modules.d/90kernel-modules/module-setup.sh
index 300adc7..07b2912 100755
--- a/modules.d/90kernel-modules/module-setup.sh
+++ b/modules.d/90kernel-modules/module-setup.sh
@@ -10,9 +10,9 @@ installkernel() {
             function bmf1() {
                 local _f
                 while read _f || [ -n "$_f" ]; do case "$_f" in
-                    *.ko)    [[ $(<         $_f) =~ $_blockfuncs ]] && echo "$_f" ;;
-                    *.ko.gz) [[ $(gzip -dc <$_f) =~ $_blockfuncs ]] && echo "$_f" ;;
-                    *.ko.xz) [[ $(xz -dc   <$_f) =~ $_blockfuncs ]] && echo "$_f" ;;
+                    *.ko)    [[ $(<         "$_f" | tr -d '\000') =~ $_blockfuncs ]] && echo "$_f" ;;
+                    *.ko.gz) [[ $(gzip -dc <"$_f" | tr -d '\000') =~ $_blockfuncs ]] && echo "$_f" ;;
+                    *.ko.xz) [[ $(xz -dc   <"$_f" | tr -d '\000') =~ $_blockfuncs ]] && echo "$_f" ;;
                     esac
                 done
                 return 0