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dm: virtio: use strnlen instead of strlen

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Use strnlen instead of strlen to avoid potential security issue.

Tracked-On: #1364
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jian Jun Chen
2018-09-29 08:48:06 +08:00
committed by wenlingz
parent 9bf5aafebe
commit b1b3f76db9
2 changed files with 4 additions and 2 deletions
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3
devicemodel/hw/pci/virtio/virtio_console.c
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@@ -40,6 +40,7 @@
#include <assert.h>
#include <pthread.h>
#include <termios.h>
#include <limits.h>
#include "dm.h"
#include "pci_core.h"
@@ -326,7 +327,7 @@ virtio_console_announce_port(struct virtio_console_port *port)
event.event = VIRTIO_CONSOLE_PORT_NAME;
virtio_console_control_send(port->console, &event, port->name,
strlen(port->name));
strnlen(port->name, NAME_MAX));
}
static void