Fix: segfault on create session with two URLs

[lttng-tools.git] / src / lib / lttng-ctl / lttng-ctl.c

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 67c5972191016d8eafbf74d1e34faea0e8221e7f..cc69dd5c23cdf8b39433653220d3a8c655961888 100644 (file)
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -1625,7 +1625,7 @@ int _lttng_create_session_ext(const char *name, const char *url,
 
        lsm.u.uri.size = size;
 
-       if (uris[0].dtype != LTTNG_DST_PATH && strlen(uris[0].subdir) == 0) {
+       if (size > 0 && uris[0].dtype != LTTNG_DST_PATH && strlen(uris[0].subdir) == 0) {
                ret = snprintf(uris[0].subdir, sizeof(uris[0].subdir), "%s-%s", name,
                                datetime);
                if (ret < 0) {