From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Wed, 10 Feb 2021 19:25:57 +0000 (-0500)
Subject: Fix: sessiond: timer: unitiliazed sigevent fields
X-Git-Tag: v2.13.0-rc1~337
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=f79ead11cbfdcb99de17bac20c357bba159c5e66

Fix: sessiond: timer: unitiliazed sigevent fields

Coverity reports:
1445773 Uninitialized scalar variable
The variable will contain an arbitrary value left from earlier computations.
In timer_start: Use of an uninitialized variable (CWE-457)

CID 1445773 (#1 of 1): Uninitialized scalar variable (UNINIT)2.
uninit_use_in_call: Using uninitialized value sev. Field sev._sigev_un
is uninitialized when calling timer_create

Reported-by: Coverity Scan
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I306ea7e58192223408fac9d354dbbfebe6c0cc70
---

diff --git a/src/bin/lttng-sessiond/timer.c b/src/bin/lttng-sessiond/timer.c
index 56fc4635a..f67aac4d0 100644
--- a/src/bin/lttng-sessiond/timer.c
+++ b/src/bin/lttng-sessiond/timer.c
@@ -144,7 +144,7 @@ int timer_start(timer_t *timer_id, struct ltt_session *session,
 		unsigned int timer_interval_us, int signal, bool one_shot)
 {
 	int ret = 0, delete_ret;
-	struct sigevent sev;
+	struct sigevent sev = {};
 	struct itimerspec its;
 
 	sev.sigev_notify = SIGEV_SIGNAL;