linux-kernel - [PATCH 3/5] trace-cmd:read: BUG initialize input

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Message-Id: <20170423102258.21609-4-federico.vaga@vaga.pv.it>
Date:   Sun, 23 Apr 2017 12:22:56 +0200
From:   Federico Vaga <federico.vaga@...a.pv.it>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Federico Vaga <federico.vaga@...a.pv.it>
Subject: [PATCH 3/5] trace-cmd:read: BUG initialize input_files item to zero

On allocation the data structure was not initialized. Later on some
attribute of this structure are used (e.g. tsoffset) assuming that the
default value is zero, but it is not always true.

Signed-off-by: Federico Vaga <federico.vaga@...a.pv.it>
---
 trace-read.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/trace-read.c b/trace-read.c
index 79519bd..9773a47 100644
--- a/trace-read.c
+++ b/trace-read.c
@@ -295,6 +295,7 @@ static void add_input(const char *file)
 	item = malloc(sizeof(*item));
 	if (!item)
 		die("Failed to allocate for %s", file);
+	memset(item, 0, sizeof(*item));
 	item->file = file;
 	list_add_tail(&item->list, &input_files);
 	last_input_file = item;
-- 
2.9.3