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fix: better compatibility under busybox, silence buggy unzlma versions (fix #432)

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built from commit fc34cb729b
 dated 2026-04-06 17:12:21 +0200
 by Stéphane Lesimple (speed47_github@speed47.net)
This commit is contained in:
github-actions[bot]
2026-04-06 15:14:01 +00:00
parent e8a3c7d7f5
commit 4d1af90420
1 changed files with 5 additions and 3 deletions
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spectre-meltdown-checker.sh
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@@ -13,7 +13,7 @@
# #
# Stephane Lesimple # Stephane Lesimple
# #
VERSION='26.32.0406626' VERSION='26.32.0406634'
# --- Common paths and basedirs --- # --- Common paths and basedirs ---
readonly VULN_SYSFS_BASE="/sys/devices/system/cpu/vulnerabilities" readonly VULN_SYSFS_BASE="/sys/devices/system/cpu/vulnerabilities"
@@ -2562,7 +2562,9 @@ try_decompress() {
fi fi
pos=${pos%%:*} pos=${pos%%:*}
# shellcheck disable=SC2086 # shellcheck disable=SC2086
tail -c+$pos "$6" 2>/dev/null | $3 $4 >"$g_kerneltmp" 2>/dev/null # wrap in subshell so that if $3 segfaults (e.g. old BusyBox unlzma on random data),
# the "Segmentation fault" message printed by the shell goes to /dev/null
(tail -c+$pos "$6" 2>/dev/null | $3 $4 >"$g_kerneltmp" 2>/dev/null) 2>/dev/null
ret=$? ret=$?
if [ ! -s "$g_kerneltmp" ]; then if [ ! -s "$g_kerneltmp" ]; then
# don't rely on $ret, sometimes it's != 0 but worked # don't rely on $ret, sometimes it's != 0 but worked
@@ -11248,7 +11250,7 @@ if [ -n "$g_mockme" ] && [ "$opt_mock" = 1 ]; then
# not a useless use of cat: gzipping cpuinfo directly doesn't work well # not a useless use of cat: gzipping cpuinfo directly doesn't work well
# shellcheck disable=SC2002 # shellcheck disable=SC2002
if command -v "base64" >/dev/null 2>&1; then if command -v "base64" >/dev/null 2>&1; then
g_mock_cpuinfo="$(cat /proc/cpuinfo | gzip -c | base64 -w0)" g_mock_cpuinfo="$(cat /proc/cpuinfo | gzip -c | base64 | tr -d '\n')"
elif command -v "uuencode" >/dev/null 2>&1; then elif command -v "uuencode" >/dev/null 2>&1; then
g_mock_cpuinfo="$(cat /proc/cpuinfo | gzip -c | uuencode -m - | grep -Fv 'begin-base64' | grep -Fxv -- '====' | tr -d "\n")" g_mock_cpuinfo="$(cat /proc/cpuinfo | gzip -c | uuencode -m - | grep -Fv 'begin-base64' | grep -Fxv -- '====' | tr -d "\n")"
fi fi