57 lines
2.0 KiB
Diff
57 lines
2.0 KiB
Diff
From 8525d05be0896f5016e71d501d979ece02373ac1 Mon Sep 17 00:00:00 2001
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From: Lev Veyde <lveyde@redhat.com>
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Date: Thu, 22 Apr 2021 01:11:55 +0300
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Subject: [PATCH] fix(img-lib): ignored null byte in input
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The system currently throws numerous nasty warning messages during
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the boot, about ignored null bytes in input.
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This patch adds a filter to the dd command, to filter these null
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bytes out, and thus to prevent these warning messages.
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Signed-off-by: Lev Veyde <lveyde@redhat.com>
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(Cherry-picked from commit: cf04e49512c244dae5d785869ebfb9c8f4710c7e)
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Resolves: rhbz#1952400
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---
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modules.d/99img-lib/img-lib.sh | 2 +-
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modules.d/99img-lib/module-setup.sh | 4 ++--
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2 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/modules.d/99img-lib/img-lib.sh b/modules.d/99img-lib/img-lib.sh
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index f4774153..ada35ccb 100755
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--- a/modules.d/99img-lib/img-lib.sh
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+++ b/modules.d/99img-lib/img-lib.sh
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@@ -9,7 +9,7 @@
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det_archive() {
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# NOTE: echo -e works in ash and bash, but not dash
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local bz="BZh" xz="$(echo -e '\xfd7zXZ')" gz="$(echo -e '\x1f\x8b')" zs="$(echo -e '\x28\xB5\x2F\xFD')"
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- local headerblock="$(dd ${1:+if=$1} bs=262 count=1 2>/dev/null)"
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+ local headerblock="$(dd ${1:+if=$1} bs=262 count=1 2>/dev/null | tr -d '\0')"
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case "$headerblock" in
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$xz*) echo "xz" ;;
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$gz*) echo "gzip" ;;
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diff --git a/modules.d/99img-lib/module-setup.sh b/modules.d/99img-lib/module-setup.sh
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index fe1eca1a..92c1d1dd 100755
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--- a/modules.d/99img-lib/module-setup.sh
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+++ b/modules.d/99img-lib/module-setup.sh
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@@ -3,7 +3,7 @@
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# called by dracut
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check() {
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- require_binaries tar gzip dd bash || return 1
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+ require_binaries tar gzip dd bash tr || return 1
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return 255
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}
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@@ -14,7 +14,7 @@ depends() {
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# called by dracut
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install() {
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- inst_multiple tar gzip dd bash
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+ inst_multiple tar gzip dd bash tr
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# TODO: make this conditional on a cmdline flag / config option
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inst_multiple -o cpio xz bzip2 zstd
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inst_simple "$moddir/img-lib.sh" "/lib/img-lib.sh"
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