Some environments (e.g. kerneci.org) do not set $SHELL for their test
environment. There's no need to use $SHELL here anyway, so just replace
it with hard-coded /bin/sh instead. Without this, the LKDTM tests would
never actually run on kerneci.org.
Fixes: 46d1a0f03d66 ("selftests/lkdtm: Add tests for LKDTM targets")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
tools/testing/selftests/lkdtm/run.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/lkdtm/run.sh b/tools/testing/selftests/lkdtm/run.sh
index bb7a1775307b..968ff3cf5667 100755
--- a/tools/testing/selftests/lkdtm/run.sh
+++ b/tools/testing/selftests/lkdtm/run.sh
@@ -79,7 +79,7 @@ dmesg > "$DMESG"
# Most shells yell about signals and we're expecting the "cat" process
# to usually be killed by the kernel. So we have to run it in a sub-shell
# and silence errors.
-($SHELL -c 'cat <(echo '"$test"') >'"$TRIGGER" 2>/dev/null) || true
+(/bin/sh -c 'cat <(echo '"$test"') >'"$TRIGGER" 2>/dev/null) || true
# Record and dump the results
dmesg | comm --nocheck-order -13 "$DMESG" - > "$LOG" || true
--
2.25.1
