fix stale pointer issue in dynamic linker with dlopen

diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index 62dd9db..9a0697c 100644 (file)
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -473,6 +473,7 @@ void *__dynlink(int argc, char **argv, size_t *got)
                *libc->prev->next = *libc;
                libc = libc->prev->next;
                if (libc->next) libc->next->prev = libc;
+               if (tail == &lib) tail = libc;
        } else {
                free_all(head);
                free(sys_path);