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xen-netback: fix possible format string flaw

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This makes sure a format string cannot accidentally leak into the
kthread_run() call.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook 2013-09-10 21:39:11 -07:00 committed by David S. Miller
parent b0dd663b60
commit a9677bc024
1 changed files with 1 additions and 1 deletions
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2
drivers/net/xen-netback/interface.c
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@ -406,7 +406,7 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
init_waitqueue_head(&vif->wq);
vif->task = kthread_create(xenvif_kthread,
(void *)vif, vif->dev->name);
(void *)vif, "%s", vif->dev->name);
if (IS_ERR(vif->task)) {
pr_warn("Could not allocate kthread for %s\n", vif->dev->name);
err = PTR_ERR(vif->task);