From: Jens Axboe <axboe@fb.com>
Date: Mon, 14 Apr 2014 14:23:23 +0000 (-0600)
Subject: stat: check that TEMP environment variable is half-way sane
X-Git-Tag: fio-2.1.9~63
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=48b16e2725249985c9f1841928eb08574c24d3cc

stat: check that TEMP environment variable is half-way sane

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/stat.c b/stat.c
index 509c6f02..5a553d00 100644
--- a/stat.c
+++ b/stat.c
@@ -1494,8 +1494,11 @@ static int check_status_file(void)
 		return 0;
 
 	temp_dir = getenv("TMPDIR");
-	if (temp_dir == NULL)
+	if (temp_dir == NULL) {
 		temp_dir = getenv("TEMP");
+		if (temp_dir && strlen(temp_dir) >= PATH_MAX)
+			temp_dir = NULL;
+	}
 	if (temp_dir == NULL)
 		temp_dir = "/tmp";