[Qemu-devel] [PULL 02/25] tests: vhost-user-test: initialize 'fd' in chr_read

Thomas Huth posted 25 patches 6 years, 9 months ago
Maintainers: Laurent Vivier <lvivier@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Cédric Le Goater" <clg@kaod.org>, Richard Henderson <rth@twiddle.net>, Peter Maydell <peter.maydell@linaro.org>, Riku Voipio <riku.voipio@iki.fi>, Alistair Francis <alistair@alistair23.me>, Eduardo Habkost <ehabkost@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Peter Crosthwaite <crosthwaite.peter@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, Thomas Huth <thuth@redhat.com>, John Snow <jsnow@redhat.com>, David Gibson <david@gibson.dropbear.id.au>, "Michael S. Tsirkin" <mst@redhat.com>, Andrzej Zaborowski <balrogg@gmail.com>, Laurent Vivier <laurent@vivier.eu>, Su Hang <suhang16@mails.ucas.ac.cn>
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[Qemu-devel] [PULL 02/25] tests: vhost-user-test: initialize 'fd' in chr_read
Posted by Thomas Huth 6 years, 9 months ago
From: Li Qiang <liq3ea@163.com>

Currently when processing VHOST_USER_SET_VRING_CALL
if 'qemu_chr_fe_get_msgfds' get no fd, the 'fd' will
be a stack uninitialized value.

Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tests/vhost-user-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
index 54982f6..84e50d8 100644
--- a/tests/vhost-user-test.c
+++ b/tests/vhost-user-test.c
@@ -309,7 +309,7 @@ static void chr_read(void *opaque, const uint8_t *buf, int size)
     CharBackend *chr = &s->chr;
     VhostUserMsg msg;
     uint8_t *p = (uint8_t *) &msg;
-    int fd;
+    int fd = -1;
 
     if (s->test_fail) {
         qemu_chr_fe_disconnect(chr);
-- 
1.8.3.1