X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fcommon%2Fevent.c;h=484fde26f28f4beb50ea789debf93ed83e572163;hb=f618151398055a753d5c5fb519d98a166ddde09f;hp=4ea9ecf1e6b2a88ab075f6b6b45c05383c42a034;hpb=997edb99904a51565b70fe77e56e9bba06136ac1;p=lttng-tools.git

diff --git a/src/common/event.c b/src/common/event.c
index 4ea9ecf1e..484fde26f 100644
--- a/src/common/event.c
+++ b/src/common/event.c
@@ -201,6 +201,7 @@ static ssize_t lttng_event_probe_attr_create_from_payload(
 	local_attr = NULL;
 	ret = offset;
 end:
+	free(local_attr);
 	return ret;
 }
 
@@ -262,6 +263,7 @@ static ssize_t lttng_event_function_attr_create_from_payload(
 	local_attr = NULL;
 	ret = offset;
 end:
+	free(local_attr);
 	return ret;
 }
 
@@ -620,7 +622,7 @@ deserialize_event_type_payload:
 		}
 
 		if (ret != event_comm->userspace_probe_location_len) {
-			WARN("Userspace probe location from the received buffer is not the advertised length: header length = %" PRIu32 ", payload length = %lu", event_comm->userspace_probe_location_len, ret);
+			WARN("Userspace probe location from the received buffer is not the advertised length: header length = %" PRIu32 ", payload length = %zd", event_comm->userspace_probe_location_len, ret);
 			ret = -1;
 			goto end;
 		}
@@ -996,7 +998,8 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload(
 		const struct lttng_payload_view *view,
 		struct lttng_event_context *event_ctx)
 {
-	ssize_t ret, offset = 0;
+	int ret;
+	ssize_t consumed, offset = 0;
 	const struct lttng_event_context_perf_counter_comm *comm;
 	size_t name_len;
 	const struct lttng_buffer_view comm_view = lttng_buffer_view_from_view(
@@ -1008,7 +1011,7 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload(
 			event_ctx->ctx == LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER);
 
 	if (!lttng_buffer_view_is_valid(&comm_view)) {
-		ret = -1;
+		consumed = -1;
 		goto end;
 	}
 
@@ -1025,7 +1028,7 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload(
 						name_len);
 
 		if (!lttng_buffer_view_is_valid(&provider_name_view)) {
-			ret = -1;
+			consumed = -1;
 			goto end;
 		}
 
@@ -1033,21 +1036,26 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload(
 
 		if (!lttng_buffer_view_contains_string(
 				    &provider_name_view, name, name_len)) {
-			ret = -1;
+			consumed = -1;
 			goto end;
 		}
 
-		lttng_strncpy(event_ctx->u.perf_counter.name, name, name_len);
+		ret = lttng_strncpy(event_ctx->u.perf_counter.name, name,
+				sizeof(event_ctx->u.perf_counter.name));
+		if (ret) {
+			consumed = -1;
+			goto end;
+		}
 		offset += name_len;
 	}
 
 	event_ctx->u.perf_counter.config = comm->config;
 	event_ctx->u.perf_counter.type = comm->type;
 
-	ret = offset;
+	consumed = offset;
 
 end:
-	return ret;
+	return consumed;
 }
 
 ssize_t lttng_event_context_create_from_payload(
@@ -1146,7 +1154,8 @@ static int lttng_event_context_app_serialize(
 	}
 
 	/* Include the null terminator. */
-	comm.provider_name_len = provider_len + 1;
+	provider_len += 1;
+	comm.provider_name_len = provider_len;
 
 	ctx_len = strlen(ctx_name);
 	if (ctx_len == 0) {
@@ -1155,7 +1164,8 @@ static int lttng_event_context_app_serialize(
 	}
 
 	/* Include the null terminator. */
-	comm.ctx_name_len = ctx_len + 1;
+	ctx_len += 1;
+	comm.ctx_name_len = ctx_len;
 
 	/* Header */
 	ret = lttng_dynamic_buffer_append(&payload->buffer, &comm,
@@ -1480,6 +1490,9 @@ static enum lttng_error_code compute_flattened_size(
 	/* The basic struct lttng_event */
 	storage_req = event_count * sizeof(struct lttng_event);
 
+	/* The struct·lttng_event_extended */
+	storage_req += event_count * sizeof(struct lttng_event_extended);
+
 	for (i = 0; i < event_count; i++) {
 		int probe_storage_req = 0;
 		const struct event_list_element *element = (const struct event_list_element *)
@@ -1500,10 +1513,6 @@ static enum lttng_error_code compute_flattened_size(
 			probe_storage_req = ret;
 		}
 
-		/* The struct·lttng_event_extended */
-		storage_req += event_count *
-			sizeof(struct lttng_event_extended);
-
 		if (element->filter_expression) {
 			storage_req += strlen(element->filter_expression) + 1;
 		}