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-rw-r--r--shell/hush.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c
index 3bdbe26d8..f9a295e8d 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7787,7 +7787,11 @@ static void restore_redirects(struct squirrel *sq)
free(sq);
}
if (G.HFILE_stdin
- && G.HFILE_stdin->fd != STDIN_FILENO
+ && G.HFILE_stdin->fd > STDIN_FILENO
+ /* we compare > STDIN, not == STDIN, since hfgetc()
+ * closes fd and sets ->fd to -1 if EOF is reached.
+ * Testcase: echo 'pwd' | hush
+ */
) {
/* Testcase: interactive "read r <FILE; echo $r; read r; echo $r".
* Redirect moves ->fd to e.g. 10,