xfrm: Fix memleak on xfrm state destroy
We leak the page that we use to create skb page fragments
when destroying the xfrm_state. Fix this by dropping a
page reference if a page was assigned to the xfrm_state.
Fixes: cac2661c53
("esp4: Avoid skb_cow_data whenever possible")
Reported-by: JD <jdtxs00@gmail.com>
Reported-by: Paul Wouters <paul@nohats.ca>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Родитель
99a8efbb6e
Коммит
86c6739eda
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@ -495,6 +495,8 @@ static void ___xfrm_state_destroy(struct xfrm_state *x)
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x->type->destructor(x);
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xfrm_put_type(x->type);
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}
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if (x->xfrag.page)
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put_page(x->xfrag.page);
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xfrm_dev_state_free(x);
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security_xfrm_state_free(x);
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xfrm_state_free(x);
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