Fix: callstack: NULL pointer dereference: length field also need fdata

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/src/lttng-context-callstack.c b/src/lttng-context-callstack.c
index 6b75772e4bec21e6333d4ab72bda264715619120..b0f7a2fee5a1c7ed0234c57620bf67d965e9f890 100644 (file)
--- a/src/lttng-context-callstack.c
+++ b/src/lttng-context-callstack.c
@@ -146,6 +146,7 @@ int __lttng_add_callstack_generic(struct lttng_ctx **ctx,
        field->type.u.integer.encoding = lttng_encode_none;
        length_field->get_size_arg = lttng_callstack_length_get_size;
        length_field->record = lttng_callstack_length_record;
+       length_field->priv = fdata;
 
        field = &sequence_field->event_field;
        field->name = ctx_name;