unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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Code Pull requests 5 Wiki Activity

xfrm: Fix policy hold queue after flowcache removal.

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Now that the flowcache is removed we need to generate
a new dummy bundle every time we check if the needed
SAs are in place because the dummy bundle is not cached
anymore. Fix it by passing the XFRM_LOOKUP_QUEUE flag
to xfrm_lookup(). This makes sure that we get a dummy
bundle in case the SAs are not yet in place.

Fixes: 3ca28286ea ("xfrm_policy: bypass flow_cache_lookup")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2018-02-01 11:26:12 +01:00
parent 19d7df69fd
commit 2471c98165
1 changed files with 1 additions and 1 deletions
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2
net/xfrm/xfrm_policy.c
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@ -1891,7 +1891,7 @@ static void xfrm_policy_queue_process(struct timer_list *t)
spin_unlock(&pq->hold_queue.lock);
dst_hold(xfrm_dst_path(dst));
dst = xfrm_lookup(net, xfrm_dst_path(dst), &fl, sk, 0);
dst = xfrm_lookup(net, xfrm_dst_path(dst), &fl, sk, XFRM_LOOKUP_QUEUE);
if (IS_ERR(dst))
goto purge_queue;