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Commit b402405d authored by Jan Engelhardt's avatar Jan Engelhardt
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netfilter: xtables: print details on size mismatch



Print which revision has been used and which size are which
(kernel/user) for easier debugging.

Signed-off-by: default avatarJan Engelhardt <jengelh@medozas.de>
parent 2249065f
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+6 −2
Original line number Diff line number Diff line
@@ -366,8 +366,10 @@ int xt_check_match(struct xt_mtchk_param *par,
		 * ebt_among is exempt from centralized matchsize checking
		 * because it uses a dynamic-size data set.
		 */
		pr_err("%s_tables: %s match: invalid size %u != %u\n",
		pr_err("%s_tables: %s.%u match: invalid size "
		       "%u (kernel) != (user) %u\n",
		       xt_prefix[par->family], par->match->name,
		       par->match->revision,
		       XT_ALIGN(par->match->matchsize), size);
		return -EINVAL;
	}
@@ -516,8 +518,10 @@ int xt_check_target(struct xt_tgchk_param *par,
		    unsigned int size, u_int8_t proto, bool inv_proto)
{
	if (XT_ALIGN(par->target->targetsize) != size) {
		pr_err("%s_tables: %s target: invalid size %u != %u\n",
		pr_err("%s_tables: %s.%u target: invalid size "
		       "%u (kernel) != (user) %u\n",
		       xt_prefix[par->family], par->target->name,
		       par->target->revision,
		       XT_ALIGN(par->target->targetsize), size);
		return -EINVAL;
	}