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Date: Wed, 21 Sep 2016 13:05:45 +0200 From: Steffen Klassert <steffen.klassert@...unet.com> To: David Miller <davem@...emloft.net> CC: Herbert Xu <herbert@...dor.apana.org.au>, Steffen Klassert <steffen.klassert@...unet.com>, <netdev@...r.kernel.org> Subject: [PATCH 3/4] xfrm: Fix memory leak of aead algorithm name From: Ilan Tayari <ilant@...lanox.com> commit 1a6509d99122 ("[IPSEC]: Add support for combined mode algorithms") introduced aead. The function attach_aead kmemdup()s the algorithm name during xfrm_state_construct(). However this memory is never freed. Implementation has since been slightly modified in commit ee5c23176fcc ("xfrm: Clone states properly on migration") without resolving this leak. This patch adds a kfree() call for the aead algorithm name. Fixes: 1a6509d99122 ("[IPSEC]: Add support for combined mode algorithms") Signed-off-by: Ilan Tayari <ilant@...lanox.com> Acked-by: Rami Rosen <roszenrami@...il.com> Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com> --- net/xfrm/xfrm_state.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 9895a8c..a30f898d 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -332,6 +332,7 @@ static void xfrm_state_gc_destroy(struct xfrm_state *x) { tasklet_hrtimer_cancel(&x->mtimer); del_timer_sync(&x->rtimer); + kfree(x->aead); kfree(x->aalg); kfree(x->ealg); kfree(x->calg); -- 1.9.1
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