Avoid memory getting stuck waiting for userspace, drop all emergency packets. This of course requires the regular storage route to not include an NF_QUEUE target ;-) Signed-off-by: Peter Zijlstra Cc: Patrick McHardy --- net/netfilter/core.c | 3 +++ 1 file changed, 3 insertions(+) Index: linux-2.6-git/net/netfilter/core.c =================================================================== --- linux-2.6-git.orig/net/netfilter/core.c 2007-02-22 15:48:28.000000000 +0100 +++ linux-2.6-git/net/netfilter/core.c 2007-02-26 14:23:25.000000000 +0100 @@ -184,9 +184,12 @@ next_hook: ret = 1; goto unlock; } else if (verdict == NF_DROP) { +drop: kfree_skb(*pskb); ret = -EPERM; } else if ((verdict & NF_VERDICT_MASK) == NF_QUEUE) { + if (skb_emergency(*pskb)) + goto drop; NFDEBUG("nf_hook: Verdict = QUEUE.\n"); if (!nf_queue(*pskb, elem, pf, hook, indev, outdev, okfn, verdict >> NF_VERDICT_BITS)) -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/