From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Tue, 1 Mar 2022 14:50:06 +0000 (-0500)
Subject: Fix: ser/des: missing null terminator on payload append
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f4f239b35cbae2a8501b1a082e0fd62d8cd117a6;p=deliverable%2Flttng-tools.git

Fix: ser/des: missing null terminator on payload append

Reported by the lttng-ust-java-tests_master_build CI job.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I47b048c65a9855347c9b02fe44d9fdbae7e06dbf
---

diff --git a/src/common/event.cpp b/src/common/event.cpp
index c3a2c0eb7..6d82504e2 100644
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -1145,7 +1145,8 @@ 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) {
@@ -1154,7 +1155,8 @@ 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,