debug

cli-tests/run.sh

@@ -185,8 +185,8 @@ run_test()
 		echo 1>&2 "FAILED: $t [exited with failure status $status]"
 		if [ -s "$t.out.actual" ]; then
 			if (( $(wc -l "$t.out.actual" | cut -f1 -d' ') > 10 )); then
-				echo 1>&2 "Last 10 lines of test output:"
-				tail -n10 "$t.out.actual" | sed 1>&2 's/^/    /'
+				echo 1>&2 "Last 500 lines of test output:"
+				tail -n500 "$t.out.actual" | sed 1>&2 's/^/    /'
 				echo 1>&2
 				echo 1>&2 "See $t.out.actual for the full output."
 			else

cli-tests/t_change_passphrase.sh

@@ -29,6 +29,12 @@ echo pass2 | fscrypt unlock --quiet "$dir"
 mkdir "$dir/subdir"
 rmdir "$dir/subdir"
 
+ls -l /proc/self/fd/0
+expect << EOF
+spawn ls -l /proc/self/fd/0
+expect eof
+EOF
+
 _print_header "Try to change passphrase (interactively, mismatch)"
 expect << EOF
 spawn fscrypt metadata change-passphrase --protector=$MNT:$protector