Date: Tue, 29 Jun 2021 07:24:57 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 7f025db57c78 - main - pf: fix error-case leaks in pf_create_state Message-ID: <202106290724.15T7OvwR068134@gitrepo.freebsd.org>
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The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=7f025db57c7879bfa43ac74ecd95903439fdd1d0 commit 7f025db57c7879bfa43ac74ecd95903439fdd1d0 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2021-06-28 18:29:58 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2021-06-29 07:24:52 +0000 pf: fix error-case leaks in pf_create_state The hand-rolled clean up failed to free counters. Reviewed by: kp Sponsored by: Rubicon Communications, LLC ("Netgate") --- sys/netpfil/pf/pf.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/sys/netpfil/pf/pf.c b/sys/netpfil/pf/pf.c index 26989adfb613..f05dc69b3dbb 100644 --- a/sys/netpfil/pf/pf.c +++ b/sys/netpfil/pf/pf.c @@ -3827,7 +3827,7 @@ pf_create_state(struct pf_krule *r, struct pf_krule *nr, struct pf_krule *a, REASON_SET(&reason, PFRES_MAPFAILED); pf_src_tree_remove_state(s); STATE_DEC_COUNTERS(s); - uma_zfree(V_pf_state_z, s); + pf_free_state(s); goto csfailed; } s->rt_kif = r->rpool.cur->kif; @@ -3849,7 +3849,7 @@ pf_create_state(struct pf_krule *r, struct pf_krule *nr, struct pf_krule *a, REASON_SET(&reason, PFRES_MEMORY); pf_src_tree_remove_state(s); STATE_DEC_COUNTERS(s); - uma_zfree(V_pf_state_z, s); + pf_free_state(s); return (PF_DROP); } if ((pd->flags & PFDESC_TCP_NORM) && s->src.scrub && @@ -3859,10 +3859,9 @@ pf_create_state(struct pf_krule *r, struct pf_krule *nr, struct pf_krule *a, DPFPRINTF(PF_DEBUG_URGENT, ("pf_normalize_tcp_stateful failed on first " "pkt\n")); - pf_normalize_tcp_cleanup(s); pf_src_tree_remove_state(s); STATE_DEC_COUNTERS(s); - uma_zfree(V_pf_state_z, s); + pf_free_state(s); return (PF_DROP); } } @@ -3886,12 +3885,10 @@ pf_create_state(struct pf_krule *r, struct pf_krule *nr, struct pf_krule *a, if (pf_state_insert(BOUND_IFACE(r, kif), kif, (pd->dir == PF_IN) ? sk : nk, (pd->dir == PF_IN) ? nk : sk, s)) { - if (pd->proto == IPPROTO_TCP) - pf_normalize_tcp_cleanup(s); REASON_SET(&reason, PFRES_STATEINS); pf_src_tree_remove_state(s); STATE_DEC_COUNTERS(s); - uma_zfree(V_pf_state_z, s); + pf_free_state(s); return (PF_DROP); } else *sm = s;
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