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 4248944ae8a37f2e3836c7a12b97036dd101c63a..4ce86af29d0aba0f8e3b35b12b7a9a028b1e9419 100644 (file)
--- 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);