Date: Tue, 25 May 2021 13:28:18 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: b14db362bbd2 - stable/13 - dummynet: Fix mbuf tag allocation failure handling Message-ID: <202105251328.14PDSIKV053088@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=b14db362bbd20e5a3d97d121c403b72473fdc733 commit b14db362bbd20e5a3d97d121c403b72473fdc733 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2021-05-18 19:22:21 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2021-05-25 13:26:09 +0000 dummynet: Fix mbuf tag allocation failure handling PR: 255875, 255878, 255879, 255880 Reviewed by: donner, kp Sponsored by: The FreeBSD Foundation (cherry picked from commit c4a6258d70f73c27d8f0c6233edbcc609791806b) --- sys/netpfil/ipfw/dn_aqm_codel.c | 4 +--- sys/netpfil/ipfw/dn_aqm_pie.c | 6 +++--- sys/netpfil/ipfw/dn_sched_fq_codel.c | 4 +--- sys/netpfil/ipfw/dn_sched_fq_pie.c | 6 +++--- 4 files changed, 8 insertions(+), 12 deletions(-) diff --git a/sys/netpfil/ipfw/dn_aqm_codel.c b/sys/netpfil/ipfw/dn_aqm_codel.c index 4b921f0f52c8..a1f90461ecab 100644 --- a/sys/netpfil/ipfw/dn_aqm_codel.c +++ b/sys/netpfil/ipfw/dn_aqm_codel.c @@ -256,10 +256,8 @@ aqm_codel_enqueue(struct dn_queue *q, struct mbuf *m) if (mtag == NULL) mtag = m_tag_alloc(MTAG_ABI_COMPAT, DN_AQM_MTAG_TS, sizeof(aqm_time_t), M_NOWAIT); - if (mtag == NULL) { - m_freem(m); + if (mtag == NULL) goto drop; - } *(aqm_time_t *)(mtag + 1) = AQM_UNOW; m_tag_prepend(m, mtag); diff --git a/sys/netpfil/ipfw/dn_aqm_pie.c b/sys/netpfil/ipfw/dn_aqm_pie.c index abd5bbf0eb9a..2d5d500e275c 100644 --- a/sys/netpfil/ipfw/dn_aqm_pie.c +++ b/sys/netpfil/ipfw/dn_aqm_pie.c @@ -542,11 +542,11 @@ aqm_pie_enqueue(struct dn_queue *q, struct mbuf* m) mtag = m_tag_alloc(MTAG_ABI_COMPAT, DN_AQM_MTAG_TS, sizeof(aqm_time_t), M_NOWAIT); if (mtag == NULL) { - m_freem(m); t = DROP; + } else { + *(aqm_time_t *)(mtag + 1) = AQM_UNOW; + m_tag_prepend(m, mtag); } - *(aqm_time_t *)(mtag + 1) = AQM_UNOW; - m_tag_prepend(m, mtag); } if (t != DROP) { diff --git a/sys/netpfil/ipfw/dn_sched_fq_codel.c b/sys/netpfil/ipfw/dn_sched_fq_codel.c index 5580dd91bbfe..bc61be867d36 100644 --- a/sys/netpfil/ipfw/dn_sched_fq_codel.c +++ b/sys/netpfil/ipfw/dn_sched_fq_codel.c @@ -189,10 +189,8 @@ codel_enqueue(struct fq_codel_flow *q, struct mbuf *m, struct fq_codel_si *si) if (mtag == NULL) mtag = m_tag_alloc(MTAG_ABI_COMPAT, DN_AQM_MTAG_TS, sizeof(aqm_time_t), M_NOWAIT); - if (mtag == NULL) { - m_freem(m); + if (mtag == NULL) goto drop; - } *(aqm_time_t *)(mtag + 1) = AQM_UNOW; m_tag_prepend(m, mtag); diff --git a/sys/netpfil/ipfw/dn_sched_fq_pie.c b/sys/netpfil/ipfw/dn_sched_fq_pie.c index 257dada44345..809ca2b5f4e8 100644 --- a/sys/netpfil/ipfw/dn_sched_fq_pie.c +++ b/sys/netpfil/ipfw/dn_sched_fq_pie.c @@ -734,11 +734,11 @@ pie_enqueue(struct fq_pie_flow *q, struct mbuf* m, struct fq_pie_si *si) mtag = m_tag_alloc(MTAG_ABI_COMPAT, DN_AQM_MTAG_TS, sizeof(aqm_time_t), M_NOWAIT); if (mtag == NULL) { - m_freem(m); t = DROP; + } else { + *(aqm_time_t *)(mtag + 1) = AQM_UNOW; + m_tag_prepend(m, mtag); } - *(aqm_time_t *)(mtag + 1) = AQM_UNOW; - m_tag_prepend(m, mtag); } if (t != DROP) {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202105251328.14PDSIKV053088>