handle ERANGE from strtol properly

diff --git a/ext/session/mod_files.c b/ext/session/mod_files.c
index af6c1dbf1db023b6326179d010978c241167a1e2..011ec1f770e281bbecbe2eeb227e8f7a02a3b99c 100644 (file)
--- a/ext/session/mod_files.c
+++ b/ext/session/mod_files.c
@@ -239,7 +239,12 @@ PS_OPEN_FUNC(files)
 
        data->fd = -1;
        if ((p = strchr(save_path, ';'))) {
+               errno = 0;
                data->dirdepth = (size_t) strtol(save_path, NULL, 10);
+               if (errno == ERANGE) {
+                       efree(data);
+                       return FAILURE;
+               }
                save_path = p + 1;
        }
        data->basedir_len = strlen(save_path);