Fix memory leak of I/O buffer events in safe_close().

diff --git a/src/exec_pty.c b/src/exec_pty.c
index fd5ffa175b2382717f73a2172ef5f7e82e8ee925..f6fd62378cbc5675d0d441789e8eae4044622515 100644 (file)
--- a/src/exec_pty.c
+++ b/src/exec_pty.c
@@ -1491,6 +1491,7 @@ safe_close(int fd)
                    "%s: deleting revent %p due to shared fd %d",
                    __func__, iob->revent, fd);
                sudo_ev_del(NULL, iob->revent);
+               sudo_ev_free(iob->revent);
            }
        }
        if (iob->wevent != NULL) {
@@ -1499,6 +1500,7 @@ safe_close(int fd)
                    "%s: deleting wevent %p due to shared fd %d",
                    __func__, iob->wevent, fd);
                sudo_ev_del(NULL, iob->wevent);
+               sudo_ev_free(iob->wevent);
            }
        }
     }