peter/spectre-meltdown-checker
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spectre-meltdown-checker
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add dump of variables at end of script in debug mode

This commit is contained in:
Stéphane Lesimple 2018-04-04 23:58:15 +02:00
parent a8b557b9e2
commit 07484d0ea7
1 changed files with 5 additions and 1 deletions
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6
spectre-meltdown-checker.sh
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@ -536,6 +536,7 @@ pstatus()
fi
[ -n "$3" ] && _info_nol " ($3)"
_info
unset col
}
# Print the final status of a vulnerability (incl. batch mode)
@ -1318,7 +1319,7 @@ read_msr()
if [ ! -r /dev/cpu/"$2"/msr ]; then
return 200 # permission error
fi
if ! dd if=/dev/cpu/"$2"/msr bs=8 count=1 skip="$_msrindex" iflag=skip_bytes 2>/dev/null; then
if ! dd if=/dev/cpu/"$2"/msr bs=8 count=1 skip="$_msrindex" iflag=skip_bytes >/dev/null 2>&1; then
return 1
fi
read_msr_value=$(dd if=/dev/cpu/"$2"/msr bs=8 count=1 skip="$_msrindex" iflag=skip_bytes 2>/dev/null | od -t u1 -A n)
@ -2452,6 +2453,9 @@ if [ "$opt_variant3" = 1 ] || [ "$opt_allvariants" = 1 ]; then
_info
fi
_vars=$(set | grep -Ev '^[A-Z_[:space:]]' | sort | tr "\n" '|')
_debug "variables at end of script: $_vars"
_info "A false sense of security is worse than no security at all, see --disclaimer"
if [ "$opt_batch" = 1 ] && [ "$opt_batch_format" = "nrpe" ]; then