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pf(4) currently ignores fragment direction (in vs. out)

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in pf_frnode_compare() function.

Issue noticed and reported by Frank Denis

OK @bluhm
This commit is contained in:
sashan
2026-05-28 06:41:24 +00:00
parent 545182717d
commit eaa2c80721
1 changed files with 3 additions and 1 deletions
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sys/net/pf_norm.c
+3 -1
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@@ -1,4 +1,4 @@
/* $OpenBSD: pf_norm.c,v 1.237 2026/04/12 22:34:19 sashan Exp $ */
/* $OpenBSD: pf_norm.c,v 1.238 2026/05/28 06:41:24 sashan Exp $ */
/*
* Copyright 2001 Niels Provos <provos@citi.umich.edu>
@@ -176,6 +176,8 @@ pf_frnode_compare(struct pf_frnode *a, struct pf_frnode *b)
return (diff);
if ((diff = a->fn_af - b->fn_af) != 0)
return (diff);
if ((diff = a->fn_direction - b->fn_direction) != 0)
return (diff);
if ((diff = pf_addr_compare(&a->fn_src, &b->fn_src, a->fn_af)) != 0)
return (diff);
if ((diff = pf_addr_compare(&a->fn_dst, &b->fn_dst, a->fn_af)) != 0)