From 56c1a9e6c4d7d54ee27472428bcb33be471b3346 Mon Sep 17 00:00:00 2001

From: Andrea Claudi <aclaudi@redhat.com>

Date: Mon, 29 Apr 2019 20:08:07 +0200

Subject: [PATCH] netem/maketable: Check return value of fstat()

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1465646

Upstream Status: iproute2.git commit d304b05c12b3a

commit d304b05c12b3a0247b627ebc8e4477520bb4b969

Author: Phil Sutter <phil@nwl.cc>

Date:   Mon Aug 21 11:27:03 2017 +0200

    netem/maketable: Check return value of fstat()

    Otherwise info.st_size may contain garbage.

    Signed-off-by: Phil Sutter <phil@nwl.cc>

---

 netem/maketable.c | 4 ++--

 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/netem/maketable.c b/netem/maketable.c

index 6aff927be7040..ad660e7d457f0 100644

--- a/netem/maketable.c

+++ b/netem/maketable.c

@@ -24,8 +24,8 @@ readdoubles(FILE *fp, int *number)

 	int limit;

 	int n=0, i;

-	fstat(fileno(fp), &info;;

-	if (info.st_size > 0) {

+	if (!fstat(fileno(fp), &info) &&

+	    info.st_size > 0) {

 		limit = 2*info.st_size/sizeof(double);	/* @@ approximate */

 	} else {

 		limit = 10000;

-- 

2.20.1