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(parent: 61792b6) | patch
netfilter: nft_osf: check if attribute is present
authorPablo Neira Ayuso <pablo@netfilter.org>
Mon, 22 Oct 2018 19:49:45 +0000 (21:49 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Thu, 25 Oct 2018 08:18:31 +0000 (10:18 +0200)
commit5e91c9d9cd3fd557226ca75fed58816b9eee7e07
treeace9caef5db08ea65ff891c1dc2c7179a8c46225tree | snapshot
parent61792b677415b77c8db04991c22966bb8de7603ecommit | diff
netfilter: nft_osf: check if attribute is present

If the attribute is not sent, eg. old libnftnl binary, then
tb[NFTA_OSF_TTL] is NULL and kernel crashes from the _init path.

Fixes: a218dc82f0b5 ("netfilter: nft_osf: Add ttl option support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nft_osf.c diff | blob | history
Domain: System / Kernel;