From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Mon, 15 Nov 2021 11:40:15 +0000 (+0100)
Subject: pwck: fix segfault when calling fprintf()
X-Git-Tag: 4.10~22^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8e54618feea201987c1f3cb402ed50d1d8b604f;p=thirdparty%2Fshadow.git

pwck: fix segfault when calling fprintf()

As shadow_logfd variable is not set at the beginning of the program if
something fails and fprintf() is called a segmentation fault happens.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2021339

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
---

diff --git a/src/pwck.c b/src/pwck.c
index 4248944ae..4ce86af29 100644
--- a/src/pwck.c
+++ b/src/pwck.c
@@ -857,6 +857,7 @@ int main (int argc, char **argv)
 	 * Get my name so that I can use it to report errors.
 	 */
 	Prog = Basename (argv[0]);
+	shadow_logfd = stderr;
 
 	(void) setlocale (LC_ALL, "");
 	(void) bindtextdomain (PACKAGE, LOCALEDIR);