From 4ba68fba74cc2c666ae23b27e358d61c6fb3d0a3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?St=C3=A9phane=20Lesimple?= Date: Sat, 23 Nov 2019 13:51:00 +0100 Subject: [PATCH] fix: silence useless error from grep (fixes #322) --- spectre-meltdown-checker.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh index 2c3e1bf..3c0775c 100755 --- a/spectre-meltdown-checker.sh +++ b/spectre-meltdown-checker.sh @@ -3973,7 +3973,8 @@ check_CVE_2018_3639_linux() if [ "$kernel_ssbd_enabled" = 1 ]; then _info_nol "* SSB mitigation currently active for selected processes: " - mitigated_processes=$(grep -El 'Speculation.?Store.?Bypass:[[:space:]]+thread (force )?mitigated' /proc/*/status \ + # silence grep's stderr here to avoid ENOENT errors from processes that have exited since the shell's expansion of the * + mitigated_processes=$(grep -El 'Speculation.?Store.?Bypass:[[:space:]]+thread (force )?mitigated' /proc/*/status 2>/dev/null \ | sed s/status/exe/ | xargs -r -n1 readlink -f | xargs -r -n1 basename | sort -u | tr "\n" " " | sed 's/ $//') if [ -n "$mitigated_processes" ]; then pstatus green YES "$mitigated_processes"