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(parent: e71b07d) | patch
netfilter: Fix potential crash in nft_hash walker
authorHerbert Xu <herbert@gondor.apana.org.au>
Thu, 12 Mar 2015 23:52:14 +0000 (10:52 +1100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Fri, 13 Mar 2015 11:03:00 +0000 (12:03 +0100)
commit6494f748778a2c5f935b0288b6846701d8a6a1c2
tree7583f9e998d590a2e82bed495f9c59b08816b9eftree | snapshot
parente71b07db0bb12a0589a257192d6b80afc0f25856commit | diff
netfilter: Fix potential crash in nft_hash walker

When we get back an EAGAIN from rhashtable_walk_next we were
treating it as a valid object which obviously doesn't work too
well.

Luckily this is hard to trigger so it seems nobody has run into
it yet.

This patch fixes it by redoing the next call when we get an EAGAIN.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nft_hash.c diff | blob | history
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