netfilter: x_physdev: reject empty or not-nul terminated device names

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Reject names that lack a \0 character and reject the empty string as
well. iptables allows this but it fails to re-parse iptables-save output
that contain such rules.

Signed-off-by: Florian Westphal <fw@strlen.de>

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Florian Westphal 2026-03-28 23:00:31 +01:00

parent 8d7de5477e

commit 8df772afc9

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net/netfilter/xt_physdev.c

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