diff options
Diffstat (limited to 'spectre-meltdown-checker.sh')
| -rwxr-xr-x | spectre-meltdown-checker.sh | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh index 6ee4463..b2e35c7 100755 --- a/spectre-meltdown-checker.sh +++ b/spectre-meltdown-checker.sh @@ -243,7 +243,9 @@ is_cpu_vulnerable() for cpupart in $cpu_part_list do i=$(( i + 1 )) - cpuarch=$(echo "$cpu_arch_list" | awk '{ print $'$i' }') + # do NOT quote $cpu_arch_list below + # shellcheck disable=SC2086 + cpuarch=$(echo $cpu_arch_list | awk '{ print $'$i' }') _debug "checking cpu$i: <$cpupart> <$cpuarch>" # some kernels report AArch64 instead of 8 [ "$cpuarch" = "AArch64" ] && cpuarch=8 @@ -706,9 +708,11 @@ parse_cpu_details() # an example is "bigLITTLE", so we need to store the whole list, this is needed for is_cpu_vulnerable cpu_part_list=$(awk '/CPU part/ {print $4}' /proc/cpuinfo) cpu_arch_list=$(awk '/CPU architecture/ {print $3}' /proc/cpuinfo) - # take the first one to fill the friendly name - cpu_arch=$(echo "$cpu_arch_list" | awk '{ print $1 }') - cpu_part=$(echo "$cpu_part_list" | awk '{ print $1 }') + # take the first one to fill the friendly name, do NOT quote the vars below + # shellcheck disable=SC2086 + cpu_arch=$(echo $cpu_arch_list | awk '{ print $1 }') + # shellcheck disable=SC2086 + cpu_part=$(echo $cpu_part_list | awk '{ print $1 }') [ "$cpu_arch" = "AArch64" ] && cpu_arch=8 cpu_friendly_name="ARM" [ -n "$cpu_arch" ] && cpu_friendly_name="$cpu_friendly_name v$cpu_arch" @@ -719,7 +723,6 @@ parse_cpu_details() cpu_model=$( grep '^model' /proc/cpuinfo | awk '{print $3}' | grep -E '^[0-9]+$' | head -1) cpu_stepping=$(grep '^stepping' /proc/cpuinfo | awk '{print $3}' | grep -E '^[0-9]+$' | head -1) cpu_ucode=$( grep '^microcode' /proc/cpuinfo | awk '{print $3}' | head -1) - cpu_friendly_name=$(grep '^model name' /proc/cpuinfo | cut -d: -f2- | head -1 | sed -e 's/^ *//') # also define those that we will need in other funcs # taken from ttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/include/asm/intel-family.h |