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(parent: 07a9da5) | patch
netfilter: x_tables: check error target size too
authorFlorian Westphal <fw@strlen.de>
Tue, 27 Feb 2018 18:42:28 +0000 (19:42 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 5 Mar 2018 22:15:43 +0000 (23:15 +0100)
commit472ebdcd15ebdb8ebe20474ef1ce09abcb241e7d
treebfadfc779de9d9633275afb3a9335bff5e271036tree | snapshot
parent07a9da51b4b6aece8bc71e0b1b601fc4c3eb8b64commit | diff
netfilter: x_tables: check error target size too

Check that userspace ERROR target (custom user-defined chains) match
expected format, and the chain name is null terminated.

This is irrelevant for kernel, but iptables itself relies on sane input
when it dumps rules from kernel.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/x_tables.c diff | blob | history
Domain: System / Kernel;